HTML Examples/WP.iso/wordpress2/wp-includes/formatting.php

PHP Script | 2018-01-24 | 260.2 KB | 5,411 lines

<?php
/**
 * Main WordPress Formatting API.
 *
 * Handles many functions for formatting output.
 *
 * @package WordPress
 */

/**
 * Replaces common plain text characters into formatted entities
 *
 * As an example,
 *
 *     'cause today's effort makes it worth tomorrow's "holiday" ...
 *
 * Becomes:
 *
 *     ’cause today’s effort makes it worth tomorrow’s “holiday” …
 *
 * Code within certain html blocks are skipped.
 *
 * Do not use this function before the {@see 'init'} action hook; everything will break.
 *
 * @since 0.71
 *
 * @global array $wp_cockneyreplace Array of formatted entities for certain common phrases
 * @global array $shortcode_tags
 * @staticvar array  $static_characters
 * @staticvar array  $static_replacements
 * @staticvar array  $dynamic_characters
 * @staticvar array  $dynamic_replacements
 * @staticvar array  $default_no_texturize_tags
 * @staticvar array  $default_no_texturize_shortcodes
 * @staticvar bool   $run_texturize
 * @staticvar string $apos
 * @staticvar string $prime
 * @staticvar string $double_prime
 * @staticvar string $opening_quote
 * @staticvar string $closing_quote
 * @staticvar string $opening_single_quote
 * @staticvar string $closing_single_quote
 * @staticvar string $open_q_flag
 * @staticvar string $open_sq_flag
 * @staticvar string $apos_flag
 *
 * @param string $text The text to be formatted
 * @param bool   $reset Set to true for unit testing. Translated patterns will reset.
 * @return string The string replaced with html entities
 */
function wptexturize( $text, $reset = false ) {
    global $wp_cockneyreplace, $shortcode_tags;
    static $static_characters = null,
        $static_replacements = null,
        $dynamic_characters = null,
        $dynamic_replacements = null,
        $default_no_texturize_tags = null,
        $default_no_texturize_shortcodes = null,
        $run_texturize = true,
        $apos = null,
        $prime = null,
        $double_prime = null,
        $opening_quote = null,
        $closing_quote = null,
        $opening_single_quote = null,
        $closing_single_quote = null,
        $open_q_flag = '<!--oq-->',
        $open_sq_flag = '<!--osq-->',
        $apos_flag = '<!--apos-->';

    // If there's nothing to do, just stop.
    if ( empty( $text ) || false === $run_texturize ) {
        return $text;
    }

    // Set up static variables. Run once only.
    if ( $reset || ! isset( $static_characters ) ) {
        /**
         * Filters whether to skip running wptexturize().
         *
         * Passing false to the filter will effectively short-circuit wptexturize().
         * returning the original text passed to the function instead.
         *
         * The filter runs only once, the first time wptexturize() is called.
         *
         * @since 4.0.0
         *
         * @see wptexturize()
         *
         * @param bool $run_texturize Whether to short-circuit wptexturize().
         */
        $run_texturize = apply_filters( 'run_wptexturize', $run_texturize );
        if ( false === $run_texturize ) {
            return $text;
        }

        /* translators: opening curly double quote */
        $opening_quote = _x( '“', 'opening curly double quote' );
        /* translators: closing curly double quote */
        $closing_quote = _x( '”', 'closing curly double quote' );

        /* translators: apostrophe, for example in 'cause or can't */
        $apos = _x( '’', 'apostrophe' );

        /* translators: prime, for example in 9' (nine feet) */
        $prime = _x( '′', 'prime' );
        /* translators: double prime, for example in 9" (nine inches) */
        $double_prime = _x( '″', 'double prime' );

        /* translators: opening curly single quote */
        $opening_single_quote = _x( '‘', 'opening curly single quote' );
        /* translators: closing curly single quote */
        $closing_single_quote = _x( '’', 'closing curly single quote' );

        /* translators: en dash */
        $en_dash = _x( '–', 'en dash' );
        /* translators: em dash */
        $em_dash = _x( '—', 'em dash' );

        $default_no_texturize_tags = array('pre', 'code', 'kbd', 'style', 'script', 'tt');
        $default_no_texturize_shortcodes = array('code');

        // if a plugin has provided an autocorrect array, use it
        if ( isset($wp_cockneyreplace) ) {
            $cockney = array_keys( $wp_cockneyreplace );
            $cockneyreplace = array_values( $wp_cockneyreplace );
        } else {
            /* translators: This is a comma-separated list of words that defy the syntax of quotations in normal use,
             * for example...  'We do not have enough words yet' ... is a typical quoted phrase.  But when we write
             * lines of code 'til we have enough of 'em, then we need to insert apostrophes instead of quotes.
             */
            $cockney = explode( ',', _x( "'tain't,'twere,'twas,'tis,'twill,'til,'bout,'nuff,'round,'cause,'em",
                'Comma-separated list of words to texturize in your language' ) );

            $cockneyreplace = explode( ',', _x( '’tain’t,’twere,’twas,’tis,’twill,’til,’bout,’nuff,’round,’cause,’em',
                'Comma-separated list of replacement words in your language' ) );
        }

        $static_characters = array_merge( array( '...', '``', '\'\'', ' (tm)' ), $cockney );
        $static_replacements = array_merge( array( '…', $opening_quote, $closing_quote, ' ™' ), $cockneyreplace );


        // Pattern-based replacements of characters.
        // Sort the remaining patterns into several arrays for performance tuning.
        $dynamic_characters = array( 'apos' => array(), 'quote' => array(), 'dash' => array() );
        $dynamic_replacements = array( 'apos' => array(), 'quote' => array(), 'dash' => array() );
        $dynamic = array();
        $spaces = wp_spaces_regexp();

        // '99' and '99" are ambiguous among other patterns; assume it's an abbreviated year at the end of a quotation.
        if ( "'" !== $apos || "'" !== $closing_single_quote ) {
            $dynamic[ '/\'(\d\d)\'(?=\Z|[.,:;!?)}\-\]]|>|' . $spaces . ')/' ] = $apos_flag . '$1' . $closing_single_quote;
        }
        if ( "'" !== $apos || '"' !== $closing_quote ) {
            $dynamic[ '/\'(\d\d)"(?=\Z|[.,:;!?)}\-\]]|>|' . $spaces . ')/' ] = $apos_flag . '$1' . $closing_quote;
        }

        // '99 '99s '99's (apostrophe)  But never '9 or '99% or '999 or '99.0.
        if ( "'" !== $apos ) {
            $dynamic[ '/\'(?=\d\d(?:\Z|(?![%\d]|[.,]\d)))/' ] = $apos_flag;
        }

        // Quoted Numbers like '0.42'
        if ( "'" !== $opening_single_quote && "'" !== $closing_single_quote ) {
            $dynamic[ '/(?<=\A|' . $spaces . ')\'(\d[.,\d]*)\'/' ] = $open_sq_flag . '$1' . $closing_single_quote;
        }

        // Single quote at start, or preceded by (, {, <, [, ", -, or spaces.
        if ( "'" !== $opening_single_quote ) {
            $dynamic[ '/(?<=\A|[([{"\-]|<|' . $spaces . ')\'/' ] = $open_sq_flag;
        }

        // Apostrophe in a word.  No spaces, double apostrophes, or other punctuation.
        if ( "'" !== $apos ) {
            $dynamic[ '/(?<!' . $spaces . ')\'(?!\Z|[.,:;!?"\'(){}[\]\-]|&[lg]t;|' . $spaces . ')/' ] = $apos_flag;
        }

        $dynamic_characters['apos'] = array_keys( $dynamic );
        $dynamic_replacements['apos'] = array_values( $dynamic );
        $dynamic = array();

        // Quoted Numbers like "42"
        if ( '"' !== $opening_quote && '"' !== $closing_quote ) {
            $dynamic[ '/(?<=\A|' . $spaces . ')"(\d[.,\d]*)"/' ] = $open_q_flag . '$1' . $closing_quote;
        }

        // Double quote at start, or preceded by (, {, <, [, -, or spaces, and not followed by spaces.
        if ( '"' !== $opening_quote ) {
            $dynamic[ '/(?<=\A|[([{\-]|<|' . $spaces . ')"(?!' . $spaces . ')/' ] = $open_q_flag;
        }

        $dynamic_characters['quote'] = array_keys( $dynamic );
        $dynamic_replacements['quote'] = array_values( $dynamic );
        $dynamic = array();

        // Dashes and spaces
        $dynamic[ '/---/' ] = $em_dash;
        $dynamic[ '/(?<=^|' . $spaces . ')--(?=$|' . $spaces . ')/' ] = $em_dash;
        $dynamic[ '/(?<!xn)--/' ] = $en_dash;
        $dynamic[ '/(?<=^|' . $spaces . ')-(?=$|' . $spaces . ')/' ] = $en_dash;

        $dynamic_characters['dash'] = array_keys( $dynamic );
        $dynamic_replacements['dash'] = array_values( $dynamic );
    }

    // Must do this every time in case plugins use these filters in a context sensitive manner
    /**
     * Filters the list of HTML elements not to texturize.
     *
     * @since 2.8.0
     *
     * @param array $default_no_texturize_tags An array of HTML element names.
     */
    $no_texturize_tags = apply_filters( 'no_texturize_tags', $default_no_texturize_tags );
    /**
     * Filters the list of shortcodes not to texturize.
     *
     * @since 2.8.0
     *
     * @param array $default_no_texturize_shortcodes An array of shortcode names.
     */
    $no_texturize_shortcodes = apply_filters( 'no_texturize_shortcodes', $default_no_texturize_shortcodes );

    $no_texturize_tags_stack = array();
    $no_texturize_shortcodes_stack = array();

    // Look for shortcodes and HTML elements.

    preg_match_all( '@\[/?([^<>&/\[\]\x00-\x20=]++)@', $text, $matches );
    $tagnames = array_intersect( array_keys( $shortcode_tags ), $matches[1] );
    $found_shortcodes = ! empty( $tagnames );
    $shortcode_regex = $found_shortcodes ? _get_wptexturize_shortcode_regex( $tagnames ) : '';
    $regex = _get_wptexturize_split_regex( $shortcode_regex );

    $textarr = preg_split( $regex, $text, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY );

    foreach ( $textarr as &$curl ) {
        // Only call _wptexturize_pushpop_element if $curl is a delimiter.
        $first = $curl[0];
        if ( '<' === $first ) {
            if ( '<!--' === substr( $curl, 0, 4 ) ) {
                // This is an HTML comment delimiter.
                continue;
            } else {
                // This is an HTML element delimiter.

                // Replace each & with & unless it already looks like an entity.
                $curl = preg_replace( '/&(?!#(?:\d+|x[a-f0-9]+);|[a-z1-4]{1,8};)/i', '&', $curl );

                _wptexturize_pushpop_element( $curl, $no_texturize_tags_stack, $no_texturize_tags );
            }

        } elseif ( '' === trim( $curl ) ) {
            // This is a newline between delimiters.  Performance improves when we check this.
            continue;

        } elseif ( '[' === $first && $found_shortcodes && 1 === preg_match( '/^' . $shortcode_regex . '$/', $curl ) ) {
            // This is a shortcode delimiter.

            if ( '[[' !== substr( $curl, 0, 2 ) && ']]' !== substr( $curl, -2 ) ) {
                // Looks like a normal shortcode.
                _wptexturize_pushpop_element( $curl, $no_texturize_shortcodes_stack, $no_texturize_shortcodes );
            } else {
                // Looks like an escaped shortcode.
                continue;
            }

        } elseif ( empty( $no_texturize_shortcodes_stack ) && empty( $no_texturize_tags_stack ) ) {
            // This is neither a delimiter, nor is this content inside of no_texturize pairs.  Do texturize.

            $curl = str_replace( $static_characters, $static_replacements, $curl );

            if ( false !== strpos( $curl, "'" ) ) {
                $curl = preg_replace( $dynamic_characters['apos'], $dynamic_replacements['apos'], $curl );
                $curl = wptexturize_primes( $curl, "'", $prime, $open_sq_flag, $closing_single_quote );
                $curl = str_replace( $apos_flag, $apos, $curl );
                $curl = str_replace( $open_sq_flag, $opening_single_quote, $curl );
            }
            if ( false !== strpos( $curl, '"' ) ) {
                $curl = preg_replace( $dynamic_characters['quote'], $dynamic_replacements['quote'], $curl );
                $curl = wptexturize_primes( $curl, '"', $double_prime, $open_q_flag, $closing_quote );
                $curl = str_replace( $open_q_flag, $opening_quote, $curl );
            }
            if ( false !== strpos( $curl, '-' ) ) {
                $curl = preg_replace( $dynamic_characters['dash'], $dynamic_replacements['dash'], $curl );
            }

            // 9x9 (times), but never 0x9999
            if ( 1 === preg_match( '/(?<=\d)x\d/', $curl ) ) {
                // Searching for a digit is 10 times more expensive than for the x, so we avoid doing this one!
                $curl = preg_replace( '/\b(\d(?(?<=0)[\d\.,]+|[\d\.,]*))x(\d[\d\.,]*)\b/', '$1×$2', $curl );
            }

            // Replace each & with & unless it already looks like an entity.
            $curl = preg_replace( '/&(?!#(?:\d+|x[a-f0-9]+);|[a-z1-4]{1,8};)/i', '&', $curl );
        }
    }

    return implode( '', $textarr );
}

/**
 * Implements a logic tree to determine whether or not "7'." represents seven feet,
 * then converts the special char into either a prime char or a closing quote char.
 *
 * @since 4.3.0
 *
 * @param string $haystack    The plain text to be searched.
 * @param string $needle      The character to search for such as ' or ".
 * @param string $prime       The prime char to use for replacement.
 * @param string $open_quote  The opening quote char. Opening quote replacement must be
 *                            accomplished already.
 * @param string $close_quote The closing quote char to use for replacement.
 * @return string The $haystack value after primes and quotes replacements.
 */
function wptexturize_primes( $haystack, $needle, $prime, $open_quote, $close_quote ) {
    $spaces = wp_spaces_regexp();
    $flag = '<!--wp-prime-or-quote-->';
    $quote_pattern = "/$needle(?=\\Z|[.,:;!?)}\\-\\]]|>|" . $spaces . ")/";
    $prime_pattern    = "/(?<=\\d)$needle/";
    $flag_after_digit = "/(?<=\\d)$flag/";
    $flag_no_digit    = "/(?<!\\d)$flag/";

    $sentences = explode( $open_quote, $haystack );

    foreach ( $sentences as $key => &$sentence ) {
        if ( false === strpos( $sentence, $needle ) ) {
            continue;
        } elseif ( 0 !== $key && 0 === substr_count( $sentence, $close_quote ) ) {
            $sentence = preg_replace( $quote_pattern, $flag, $sentence, -1, $count );
            if ( $count > 1 ) {
                // This sentence appears to have multiple closing quotes.  Attempt Vulcan logic.
                $sentence = preg_replace( $flag_no_digit, $close_quote, $sentence, -1, $count2 );
                if ( 0 === $count2 ) {
                    // Try looking for a quote followed by a period.
                    $count2 = substr_count( $sentence, "$flag." );
                    if ( $count2 > 0 ) {
                        // Assume the rightmost quote-period match is the end of quotation.
                        $pos = strrpos( $sentence, "$flag." );
                    } else {
                        // When all else fails, make the rightmost candidate a closing quote.
                        // This is most likely to be problematic in the context of bug #18549.
                        $pos = strrpos( $sentence, $flag );
                    }
                    $sentence = substr_replace( $sentence, $close_quote, $pos, strlen( $flag ) );
                }
                // Use conventional replacement on any remaining primes and quotes.
                $sentence = preg_replace( $prime_pattern, $prime, $sentence );
                $sentence = preg_replace( $flag_after_digit, $prime, $sentence );
                $sentence = str_replace( $flag, $close_quote, $sentence );
            } elseif ( 1 == $count ) {
                // Found only one closing quote candidate, so give it priority over primes.
                $sentence = str_replace( $flag, $close_quote, $sentence );
                $sentence = preg_replace( $prime_pattern, $prime, $sentence );
            } else {
                // No closing quotes found.  Just run primes pattern.
                $sentence = preg_replace( $prime_pattern, $prime, $sentence );
            }
        } else {
            $sentence = preg_replace( $prime_pattern, $prime, $sentence );
            $sentence = preg_replace( $quote_pattern, $close_quote, $sentence );
        }
        if ( '"' == $needle && false !== strpos( $sentence, '"' ) ) {
            $sentence = str_replace( '"', $close_quote, $sentence );
        }
    }

    return implode( $open_quote, $sentences );
}

/**
 * Search for disabled element tags. Push element to stack on tag open and pop
 * on tag close.
 *
 * Assumes first char of $text is tag opening and last char is tag closing.
 * Assumes second char of $text is optionally '/' to indicate closing as in </html>.
 *
 * @since 2.9.0
 * @access private
 *
 * @param string $text Text to check. Must be a tag like `<html>` or `[shortcode]`.
 * @param array  $stack List of open tag elements.
 * @param array  $disabled_elements The tag names to match against. Spaces are not allowed in tag names.
 */
function _wptexturize_pushpop_element( $text, &$stack, $disabled_elements ) {
    // Is it an opening tag or closing tag?
    if ( isset( $text[1] ) && '/' !== $text[1] ) {
        $opening_tag = true;
        $name_offset = 1;
    } elseif ( 0 == count( $stack ) ) {
        // Stack is empty. Just stop.
        return;
    } else {
        $opening_tag = false;
        $name_offset = 2;
    }

    // Parse out the tag name.
    $space = strpos( $text, ' ' );
    if ( false === $space ) {
        $space = -1;
    } else {
        $space -= $name_offset;
    }
    $tag = substr( $text, $name_offset, $space );

    // Handle disabled tags.
    if ( in_array( $tag, $disabled_elements ) ) {
        if ( $opening_tag ) {
            /*
             * This disables texturize until we find a closing tag of our type
             * (e.g. <pre>) even if there was invalid nesting before that
             *
             * Example: in the case <pre>sadsadasd</code>"baba"</pre>
             *          "baba" won't be texturize
             */

            array_push( $stack, $tag );
        } elseif ( end( $stack ) == $tag ) {
            array_pop( $stack );
        }
    }
}

/**
 * Replaces double line-breaks with paragraph elements.
 *
 * A group of regex replaces used to identify text formatted with newlines and
 * replace double line-breaks with HTML paragraph tags. The remaining line-breaks
 * after conversion become <<br />> tags, unless $br is set to '0' or 'false'.
 *
 * @since 0.71
 *
 * @param string $pee The text which has to be formatted.
 * @param bool   $br  Optional. If set, this will convert all remaining line-breaks
 *                    after paragraphing. Default true.
 * @return string Text which has been converted into correct paragraph tags.
 */
function wpautop( $pee, $br = true ) {
    $pre_tags = array();

    if ( trim($pee) === '' )
        return '';

    // Just to make things a little easier, pad the end.
    $pee = $pee . "\n";

    /*
     * Pre tags shouldn't be touched by autop.
     * Replace pre tags with placeholders and bring them back after autop.
     */
    if ( strpos($pee, '<pre') !== false ) {
        $pee_parts = explode( '</pre>', $pee );
        $last_pee = array_pop($pee_parts);
        $pee = '';
        $i = 0;

        foreach ( $pee_parts as $pee_part ) {
            $start = strpos($pee_part, '<pre');

            // Malformed html?
            if ( $start === false ) {
                $pee .= $pee_part;
                continue;
            }

            $name = "<pre wp-pre-tag-$i></pre>";
            $pre_tags[$name] = substr( $pee_part, $start ) . '</pre>';

            $pee .= substr( $pee_part, 0, $start ) . $name;
            $i++;
        }

        $pee .= $last_pee;
    }
    // Change multiple <br>s into two line breaks, which will turn into paragraphs.
    $pee = preg_replace('|<br\s*/?>\s*<br\s*/?>|', "\n\n", $pee);

    $allblocks = '(?:table|thead|tfoot|caption|col|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|form|map|area|blockquote|address|math|style|p|h[1-6]|hr|fieldset|legend|section|article|aside|hgroup|header|footer|nav|figure|figcaption|details|menu|summary)';

    // Add a double line break above block-level opening tags.
    $pee = preg_replace('!(<' . $allblocks . '[\s/>])!', "\n\n$1", $pee);

    // Add a double line break below block-level closing tags.
    $pee = preg_replace('!(</' . $allblocks . '>)!', "$1\n\n", $pee);

    // Standardize newline characters to "\n".
    $pee = str_replace(array("\r\n", "\r"), "\n", $pee);

    // Find newlines in all elements and add placeholders.
    $pee = wp_replace_in_html_tags( $pee, array( "\n" => " <!-- wpnl --> " ) );

    // Collapse line breaks before and after <option> elements so they don't get autop'd.
    if ( strpos( $pee, '<option' ) !== false ) {
        $pee = preg_replace( '|\s*<option|', '<option', $pee );
        $pee = preg_replace( '|</option>\s*|', '</option>', $pee );
    }

    /*
     * Collapse line breaks inside <object> elements, before <param> and <embed> elements
     * so they don't get autop'd.
     */
    if ( strpos( $pee, '</object>' ) !== false ) {
        $pee = preg_replace( '|(<object[^>]*>)\s*|', '$1', $pee );
        $pee = preg_replace( '|\s*</object>|', '</object>', $pee );
        $pee = preg_replace( '%\s*(</?(?:param|embed)[^>]*>)\s*%', '$1', $pee );
    }

    /*
     * Collapse line breaks inside <audio> and <video> elements,
     * before and after <source> and <track> elements.
     */
    if ( strpos( $pee, '<source' ) !== false || strpos( $pee, '<track' ) !== false ) {
        $pee = preg_replace( '%([<\[](?:audio|video)[^>\]]*[>\]])\s*%', '$1', $pee );
        $pee = preg_replace( '%\s*([<\[]/(?:audio|video)[>\]])%', '$1', $pee );
        $pee = preg_replace( '%\s*(<(?:source|track)[^>]*>)\s*%', '$1', $pee );
    }

    // Collapse line breaks before and after <figcaption> elements.
    if ( strpos( $pee, '<figcaption' ) !== false ) {
        $pee = preg_replace( '|\s*(<figcaption[^>]*>)|', '$1', $pee );
        $pee = preg_replace( '|</figcaption>\s*|', '</figcaption>', $pee );
    }

    // Remove more than two contiguous line breaks.
    $pee = preg_replace("/\n\n+/", "\n\n", $pee);

    // Split up the contents into an array of strings, separated by double line breaks.
    $pees = preg_split('/\n\s*\n/', $pee, -1, PREG_SPLIT_NO_EMPTY);

    // Reset $pee prior to rebuilding.
    $pee = '';

    // Rebuild the content as a string, wrapping every bit with a <p>.
    foreach ( $pees as $tinkle ) {
        $pee .= '<p>' . trim($tinkle, "\n") . "</p>\n";
    }

    // Under certain strange conditions it could create a P of entirely whitespace.
    $pee = preg_replace('|<p>\s*</p>|', '', $pee);

    // Add a closing <p> inside <div>, <address>, or <form> tag if missing.
    $pee = preg_replace('!<p>([^<]+)</(div|address|form)>!', "<p>$1</p></$2>", $pee);

    // If an opening or closing block element tag is wrapped in a <p>, unwrap it.
    $pee = preg_replace('!<p>\s*(</?' . $allblocks . '[^>]*>)\s*</p>!', "$1", $pee);

    // In some cases <li> may get wrapped in <p>, fix them.
    $pee = preg_replace("|<p>(<li.+?)</p>|", "$1", $pee);

    // If a <blockquote> is wrapped with a <p>, move it inside the <blockquote>.
    $pee = preg_replace('|<p><blockquote([^>]*)>|i', "<blockquote$1><p>", $pee);
    $pee = str_replace('</blockquote></p>', '</p></blockquote>', $pee);

    // If an opening or closing block element tag is preceded by an opening <p> tag, remove it.
    $pee = preg_replace('!<p>\s*(</?' . $allblocks . '[^>]*>)!', "$1", $pee);

    // If an opening or closing block element tag is followed by a closing <p> tag, remove it.
    $pee = preg_replace('!(</?' . $allblocks . '[^>]*>)\s*</p>!', "$1", $pee);

    // Optionally insert line breaks.
    if ( $br ) {
        // Replace newlines that shouldn't be touched with a placeholder.
        $pee = preg_replace_callback('/<(script|style).*?<\/\\1>/s', '_autop_newline_preservation_helper', $pee);

        // Normalize <br>
        $pee = str_replace( array( '<br>', '<br/>' ), '<br />', $pee );

        // Replace any new line characters that aren't preceded by a <br /> with a <br />.
        $pee = preg_replace('|(?<!<br />)\s*\n|', "<br />\n", $pee);

        // Replace newline placeholders with newlines.
        $pee = str_replace('<WPPreserveNewline />', "\n", $pee);
    }

    // If a <br /> tag is after an opening or closing block tag, remove it.
    $pee = preg_replace('!(</?' . $allblocks . '[^>]*>)\s*<br />!', "$1", $pee);

    // If a <br /> tag is before a subset of opening or closing block tags, remove it.
    $pee = preg_replace('!<br />(\s*</?(?:p|li|div|dl|dd|dt|th|pre|td|ul|ol)[^>]*>)!', '$1', $pee);
    $pee = preg_replace( "|\n</p>$|", '</p>', $pee );

    // Replace placeholder <pre> tags with their original content.
    if ( !empty($pre_tags) )
        $pee = str_replace(array_keys($pre_tags), array_values($pre_tags), $pee);

    // Restore newlines in all elements.
    if ( false !== strpos( $pee, '<!-- wpnl -->' ) ) {
        $pee = str_replace( array( ' <!-- wpnl --> ', '<!-- wpnl -->' ), "\n", $pee );
    }

    return $pee;
}

/**
 * Separate HTML elements and comments from the text.
 *
 * @since 4.2.4
 *
 * @param string $input The text which has to be formatted.
 * @return array The formatted text.
 */
function wp_html_split( $input ) {
    return preg_split( get_html_split_regex(), $input, -1, PREG_SPLIT_DELIM_CAPTURE );
}

/**
 * Retrieve the regular expression for an HTML element.
 *
 * @since 4.4.0
 *
 * @staticvar string $regex
 *
 * @return string The regular expression
 */
function get_html_split_regex() {
    static $regex;

    if ( ! isset( $regex ) ) {
        $comments =
              '!'           // Start of comment, after the <.
            . '(?:'         // Unroll the loop: Consume everything until --> is found.
            .     '-(?!->)' // Dash not followed by end of comment.
            .     '[^\-]*+' // Consume non-dashes.
            . ')*+'         // Loop possessively.
            . '(?:-->)?';   // End of comment. If not found, match all input.

        $cdata =
              '!\[CDATA\['  // Start of comment, after the <.
            . '[^\]]*+'     // Consume non-].
            . '(?:'         // Unroll the loop: Consume everything until ]]> is found.
            .     '](?!]>)' // One ] not followed by end of comment.
            .     '[^\]]*+' // Consume non-].
            . ')*+'         // Loop possessively.
            . '(?:]]>)?';   // End of comment. If not found, match all input.

        $escaped =
              '(?='           // Is the element escaped?
            .    '!--'
            . '|'
            .    '!\[CDATA\['
            . ')'
            . '(?(?=!-)'      // If yes, which type?
            .     $comments
            . '|'
            .     $cdata
            . ')';

        $regex =
              '/('              // Capture the entire match.
            .     '<'           // Find start of element.
            .     '(?'          // Conditional expression follows.
            .         $escaped  // Find end of escaped element.
            .     '|'           // ... else ...
            .         '[^>]*>?' // Find end of normal element.
            .     ')'
            . ')/';
    }

    return $regex;
}

/**
 * Retrieve the combined regular expression for HTML and shortcodes.
 *
 * @access private
 * @ignore
 * @internal This function will be removed in 4.5.0 per Shortcode API Roadmap.
 * @since 4.4.0
 *
 * @staticvar string $html_regex
 *
 * @param string $shortcode_regex The result from _get_wptexturize_shortcode_regex().  Optional.
 * @return string The regular expression
 */
function _get_wptexturize_split_regex( $shortcode_regex = '' ) {
    static $html_regex;

    if ( ! isset( $html_regex ) ) {
        $comment_regex =
              '!'           // Start of comment, after the <.
            . '(?:'         // Unroll the loop: Consume everything until --> is found.
            .     '-(?!->)' // Dash not followed by end of comment.
            .     '[^\-]*+' // Consume non-dashes.
            . ')*+'         // Loop possessively.
            . '(?:-->)?';   // End of comment. If not found, match all input.

        $html_regex =             // Needs replaced with wp_html_split() per Shortcode API Roadmap.
              '<'                // Find start of element.
            . '(?(?=!--)'        // Is this a comment?
            .     $comment_regex // Find end of comment.
            . '|'
            .     '[^>]*>?'      // Find end of element. If not found, match all input.
            . ')';
    }

    if ( empty( $shortcode_regex ) ) {
        $regex = '/(' . $html_regex . ')/';
    } else {
        $regex = '/(' . $html_regex . '|' . $shortcode_regex . ')/';
    }

    return $regex;
}

/**
 * Retrieve the regular expression for shortcodes.
 *
 * @access private
 * @ignore
 * @internal This function will be removed in 4.5.0 per Shortcode API Roadmap.
 * @since 4.4.0
 *
 * @param array $tagnames List of shortcodes to find.
 * @return string The regular expression
 */
function _get_wptexturize_shortcode_regex( $tagnames ) {
    $tagregexp = join( '|', array_map( 'preg_quote', $tagnames ) );
    $tagregexp = "(?:$tagregexp)(?=[\\s\\]\\/])"; // Excerpt of get_shortcode_regex().
    $regex =
          '\['              // Find start of shortcode.
        . '[\/\[]?'         // Shortcodes may begin with [/ or [[
        . $tagregexp        // Only match registered shortcodes, because performance.
        . '(?:'
        .     '[^\[\]<>]+'  // Shortcodes do not contain other shortcodes. Quantifier critical.
        . '|'
        .     '<[^\[\]>]*>' // HTML elements permitted. Prevents matching ] before >.
        . ')*+'             // Possessive critical.
        . '\]'              // Find end of shortcode.
        . '\]?';            // Shortcodes may end with ]]

    return $regex;
}

/**
 * Replace characters or phrases within HTML elements only.
 *
 * @since 4.2.3
 *
 * @param string $haystack The text which has to be formatted.
 * @param array $replace_pairs In the form array('from' => 'to', ...).
 * @return string The formatted text.
 */
function wp_replace_in_html_tags( $haystack, $replace_pairs ) {
    // Find all elements.
    $textarr = wp_html_split( $haystack );
    $changed = false;

    // Optimize when searching for one item.
    if ( 1 === count( $replace_pairs ) ) {
        // Extract $needle and $replace.
        foreach ( $replace_pairs as $needle => $replace );

        // Loop through delimiters (elements) only.
        for ( $i = 1, $c = count( $textarr ); $i < $c; $i += 2 ) {
            if ( false !== strpos( $textarr[$i], $needle ) ) {
                $textarr[$i] = str_replace( $needle, $replace, $textarr[$i] );
                $changed = true;
            }
        }
    } else {
        // Extract all $needles.
        $needles = array_keys( $replace_pairs );

        // Loop through delimiters (elements) only.
        for ( $i = 1, $c = count( $textarr ); $i < $c; $i += 2 ) {
            foreach ( $needles as $needle ) {
                if ( false !== strpos( $textarr[$i], $needle ) ) {
                    $textarr[$i] = strtr( $textarr[$i], $replace_pairs );
                    $changed = true;
                    // After one strtr() break out of the foreach loop and look at next element.
                    break;
                }
            }
        }
    }

    if ( $changed ) {
        $haystack = implode( $textarr );
    }

    return $haystack;
}

/**
 * Newline preservation help function for wpautop
 *
 * @since 3.1.0
 * @access private
 *
 * @param array $matches preg_replace_callback matches array
 * @return string
 */
function _autop_newline_preservation_helper( $matches ) {
    return str_replace( "\n", "<WPPreserveNewline />", $matches[0] );
}

/**
 * Don't auto-p wrap shortcodes that stand alone
 *
 * Ensures that shortcodes are not wrapped in `<p>...</p>`.
 *
 * @since 2.9.0
 *
 * @global array $shortcode_tags
 *
 * @param string $pee The content.
 * @return string The filtered content.
 */
function shortcode_unautop( $pee ) {
    global $shortcode_tags;

    if ( empty( $shortcode_tags ) || !is_array( $shortcode_tags ) ) {
        return $pee;
    }

    $tagregexp = join( '|', array_map( 'preg_quote', array_keys( $shortcode_tags ) ) );
    $spaces = wp_spaces_regexp();

    $pattern =
          '/'
        . '<p>'                              // Opening paragraph
        . '(?:' . $spaces . ')*+'            // Optional leading whitespace
        . '('                                // 1: The shortcode
        .     '\\['                          // Opening bracket
        .     "($tagregexp)"                 // 2: Shortcode name
        .     '(?![\\w-])'                   // Not followed by word character or hyphen
                                             // Unroll the loop: Inside the opening shortcode tag
        .     '[^\\]\\/]*'                   // Not a closing bracket or forward slash
        .     '(?:'
        .         '\\/(?!\\])'               // A forward slash not followed by a closing bracket
        .         '[^\\]\\/]*'               // Not a closing bracket or forward slash
        .     ')*?'
        .     '(?:'
        .         '\\/\\]'                   // Self closing tag and closing bracket
        .     '|'
        .         '\\]'                      // Closing bracket
        .         '(?:'                      // Unroll the loop: Optionally, anything between the opening and closing shortcode tags
        .             '[^\\[]*+'             // Not an opening bracket
        .             '(?:'
        .                 '\\[(?!\\/\\2\\])' // An opening bracket not followed by the closing shortcode tag
        .                 '[^\\[]*+'         // Not an opening bracket
        .             ')*+'
        .             '\\[\\/\\2\\]'         // Closing shortcode tag
        .         ')?'
        .     ')'
        . ')'
        . '(?:' . $spaces . ')*+'            // optional trailing whitespace
        . '<\\/p>'                           // closing paragraph
        . '/';

    return preg_replace( $pattern, '$1', $pee );
}

/**
 * Checks to see if a string is utf8 encoded.
 *
 * NOTE: This function checks for 5-Byte sequences, UTF8
 *       has Bytes Sequences with a maximum length of 4.
 *
 * @author bmorel at ssi dot fr (modified)
 * @since 1.2.1
 *
 * @param string $str The string to be checked
 * @return bool True if $str fits a UTF-8 model, false otherwise.
 */
function seems_utf8( $str ) {
    mbstring_binary_safe_encoding();
    $length = strlen($str);
    reset_mbstring_encoding();
    for ($i=0; $i < $length; $i++) {
        $c = ord($str[$i]);
        if ($c < 0x80) $n = 0; // 0bbbbbbb
        elseif (($c & 0xE0) == 0xC0) $n=1; // 110bbbbb
        elseif (($c & 0xF0) == 0xE0) $n=2; // 1110bbbb
        elseif (($c & 0xF8) == 0xF0) $n=3; // 11110bbb
        elseif (($c & 0xFC) == 0xF8) $n=4; // 111110bb
        elseif (($c & 0xFE) == 0xFC) $n=5; // 1111110b
        else return false; // Does not match any model
        for ($j=0; $j<$n; $j++) { // n bytes matching 10bbbbbb follow ?
            if ((++$i == $length) || ((ord($str[$i]) & 0xC0) != 0x80))
                return false;
        }
    }
    return true;
}

/**
 * Converts a number of special characters into their HTML entities.
 *
 * Specifically deals with: &, <, >, ", and '.
 *
 * $quote_style can be set to ENT_COMPAT to encode " to
 * ", or ENT_QUOTES to do both. Default is ENT_NOQUOTES where no quotes are encoded.
 *
 * @since 1.2.2
 * @access private
 *
 * @staticvar string $_charset
 *
 * @param string     $string         The text which is to be encoded.
 * @param int|string $quote_style    Optional. Converts double quotes if set to ENT_COMPAT,
 *                                   both single and double if set to ENT_QUOTES or none if set to ENT_NOQUOTES.
 *                                   Also compatible with old values; converting single quotes if set to 'single',
 *                                   double if set to 'double' or both if otherwise set.
 *                                   Default is ENT_NOQUOTES.
 * @param string     $charset        Optional. The character encoding of the string. Default is false.
 * @param bool       $double_encode  Optional. Whether to encode existing html entities. Default is false.
 * @return string The encoded text with HTML entities.
 */
function _wp_specialchars( $string, $quote_style = ENT_NOQUOTES, $charset = false, $double_encode = false ) {
    $string = (string) $string;

    if ( 0 === strlen( $string ) )
        return '';

    // Don't bother if there are no specialchars - saves some processing
    if ( ! preg_match( '/[&<>"\']/', $string ) )
        return $string;

    // Account for the previous behaviour of the function when the $quote_style is not an accepted value
    if ( empty( $quote_style ) )
        $quote_style = ENT_NOQUOTES;
    elseif ( ! in_array( $quote_style, array( 0, 2, 3, 'single', 'double' ), true ) )
        $quote_style = ENT_QUOTES;

    // Store the site charset as a static to avoid multiple calls to wp_load_alloptions()
    if ( ! $charset ) {
        static $_charset = null;
        if ( ! isset( $_charset ) ) {
            $alloptions = wp_load_alloptions();
            $_charset = isset( $alloptions['blog_charset'] ) ? $alloptions['blog_charset'] : '';
        }
        $charset = $_charset;
    }

    if ( in_array( $charset, array( 'utf8', 'utf-8', 'UTF8' ) ) )
        $charset = 'UTF-8';

    $_quote_style = $quote_style;

    if ( $quote_style === 'double' ) {
        $quote_style = ENT_COMPAT;
        $_quote_style = ENT_COMPAT;
    } elseif ( $quote_style === 'single' ) {
        $quote_style = ENT_NOQUOTES;
    }

    if ( ! $double_encode ) {
        // Guarantee every &entity; is valid, convert &garbage; into &garbage;
        // This is required for PHP < 5.4.0 because ENT_HTML401 flag is unavailable.
        $string = wp_kses_normalize_entities( $string );
    }

    $string = @htmlspecialchars( $string, $quote_style, $charset, $double_encode );

    // Back-compat.
    if ( 'single' === $_quote_style )
        $string = str_replace( "'", ''', $string );

    return $string;
}

/**
 * Converts a number of HTML entities into their special characters.
 *
 * Specifically deals with: &, <, >, ", and '.
 *
 * $quote_style can be set to ENT_COMPAT to decode " entities,
 * or ENT_QUOTES to do both " and '. Default is ENT_NOQUOTES where no quotes are decoded.
 *
 * @since 2.8.0
 *
 * @param string     $string The text which is to be decoded.
 * @param string|int $quote_style Optional. Converts double quotes if set to ENT_COMPAT,
 *                                both single and double if set to ENT_QUOTES or
 *                                none if set to ENT_NOQUOTES.
 *                                Also compatible with old _wp_specialchars() values;
 *                                converting single quotes if set to 'single',
 *                                double if set to 'double' or both if otherwise set.
 *                                Default is ENT_NOQUOTES.
 * @return string The decoded text without HTML entities.
 */
function wp_specialchars_decode( $string, $quote_style = ENT_NOQUOTES ) {
    $string = (string) $string;

    if ( 0 === strlen( $string ) ) {
        return '';
    }

    // Don't bother if there are no entities - saves a lot of processing
    if ( strpos( $string, '&' ) === false ) {
        return $string;
    }

    // Match the previous behaviour of _wp_specialchars() when the $quote_style is not an accepted value
    if ( empty( $quote_style ) ) {
        $quote_style = ENT_NOQUOTES;
    } elseif ( !in_array( $quote_style, array( 0, 2, 3, 'single', 'double' ), true ) ) {
        $quote_style = ENT_QUOTES;
    }

    // More complete than get_html_translation_table( HTML_SPECIALCHARS )
    $single = array( '''  => '\'', ''' => '\'' );
    $single_preg = array( '/�*39;/'  => ''', '/�*27;/i' => ''' );
    $double = array( '"' => '"', '"'  => '"', '"' => '"' );
    $double_preg = array( '/�*34;/'  => '"', '/�*22;/i' => '"' );
    $others = array( '<'   => '<', '<'  => '<', '>'   => '>', '>'  => '>', '&'  => '&', '&'  => '&', '&' => '&' );
    $others_preg = array( '/�*60;/'  => '<', '/�*62;/'  => '>', '/�*38;/'  => '&', '/�*26;/i' => '&' );

    if ( $quote_style === ENT_QUOTES ) {
        $translation = array_merge( $single, $double, $others );
        $translation_preg = array_merge( $single_preg, $double_preg, $others_preg );
    } elseif ( $quote_style === ENT_COMPAT || $quote_style === 'double' ) {
        $translation = array_merge( $double, $others );
        $translation_preg = array_merge( $double_preg, $others_preg );
    } elseif ( $quote_style === 'single' ) {
        $translation = array_merge( $single, $others );
        $translation_preg = array_merge( $single_preg, $others_preg );
    } elseif ( $quote_style === ENT_NOQUOTES ) {
        $translation = $others;
        $translation_preg = $others_preg;
    }

    // Remove zero padding on numeric entities
    $string = preg_replace( array_keys( $translation_preg ), array_values( $translation_preg ), $string );

    // Replace characters according to translation table
    return strtr( $string, $translation );
}

/**
 * Checks for invalid UTF8 in a string.
 *
 * @since 2.8.0
 *
 * @staticvar bool $is_utf8
 * @staticvar bool $utf8_pcre
 *
 * @param string  $string The text which is to be checked.
 * @param bool    $strip Optional. Whether to attempt to strip out invalid UTF8. Default is false.
 * @return string The checked text.
 */
function wp_check_invalid_utf8( $string, $strip = false ) {
    $string = (string) $string;

    if ( 0 === strlen( $string ) ) {
        return '';
    }

    // Store the site charset as a static to avoid multiple calls to get_option()
    static $is_utf8 = null;
    if ( ! isset( $is_utf8 ) ) {
        $is_utf8 = in_array( get_option( 'blog_charset' ), array( 'utf8', 'utf-8', 'UTF8', 'UTF-8' ) );
    }
    if ( ! $is_utf8 ) {
        return $string;
    }

    // Check for support for utf8 in the installed PCRE library once and store the result in a static
    static $utf8_pcre = null;
    if ( ! isset( $utf8_pcre ) ) {
        $utf8_pcre = @preg_match( '/^./u', 'a' );
    }
    // We can't demand utf8 in the PCRE installation, so just return the string in those cases
    if ( !$utf8_pcre ) {
        return $string;
    }

    // preg_match fails when it encounters invalid UTF8 in $string
    if ( 1 === @preg_match( '/^./us', $string ) ) {
        return $string;
    }

    // Attempt to strip the bad chars if requested (not recommended)
    if ( $strip && function_exists( 'iconv' ) ) {
        return iconv( 'utf-8', 'utf-8', $string );
    }

    return '';
}

/**
 * Encode the Unicode values to be used in the URI.
 *
 * @since 1.5.0
 *
 * @param string $utf8_string
 * @param int    $length Max  length of the string
 * @return string String with Unicode encoded for URI.
 */
function utf8_uri_encode( $utf8_string, $length = 0 ) {
    $unicode = '';
    $values = array();
    $num_octets = 1;
    $unicode_length = 0;

    mbstring_binary_safe_encoding();
    $string_length = strlen( $utf8_string );
    reset_mbstring_encoding();

    for ($i = 0; $i < $string_length; $i++ ) {

        $value = ord( $utf8_string[ $i ] );

        if ( $value < 128 ) {
            if ( $length && ( $unicode_length >= $length ) )
                break;
            $unicode .= chr($value);
            $unicode_length++;
        } else {
            if ( count( $values ) == 0 ) {
                if ( $value < 224 ) {
                    $num_octets = 2;
                } elseif ( $value < 240 ) {
                    $num_octets = 3;
                } else {
                    $num_octets = 4;
                }
            }

            $values[] = $value;

            if ( $length && ( $unicode_length + ($num_octets * 3) ) > $length )
                break;
            if ( count( $values ) == $num_octets ) {
                for ( $j = 0; $j < $num_octets; $j++ ) {
                    $unicode .= '%' . dechex( $values[ $j ] );
                }

                $unicode_length += $num_octets * 3;

                $values = array();
                $num_octets = 1;
            }
        }
    }

    return $unicode;
}

/**
 * Converts all accent characters to ASCII characters.
 *
 * If there are no accent characters, then the string given is just returned.
 *
 * **Accent characters converted:**
 *
 * Currency signs:
 *
 * |   Code   | Glyph | Replacement |     Description     |
 * | -------- | ----- | ----------- | ------------------- |
 * | U+00A3   | £     | (empty)     | British Pound sign  |
 * | U+20AC   | Γé¼     | E           | Euro sign           |
 *
 * Decompositions for Latin-1 Supplement:
 *
 * |  Code   | Glyph | Replacement |               Description              |
 * | ------- | ----- | ----------- | -------------------------------------- |
 * | U+00AA  | ª     | a           | Feminine ordinal indicator             |
 * | U+00BA  | ┬║     | o           | Masculine ordinal indicator            |
 * | U+00C0  | À     | A           | Latin capital letter A with grave      |
 * | U+00C1  | Á     | A           | Latin capital letter A with acute      |
 * | U+00C2  | Â     | A           | Latin capital letter A with circumflex |
 * | U+00C3  | Ã     | A           | Latin capital letter A with tilde      |
 * | U+00C4  | Ä     | A           | Latin capital letter A with diaeresis  |
 * | U+00C5  | Å     | A           | Latin capital letter A with ring above |
 * | U+00C6  | Æ     | AE          | Latin capital letter AE                |
 * | U+00C7  | Ç     | C           | Latin capital letter C with cedilla    |
 * | U+00C8  | È     | E           | Latin capital letter E with grave      |
 * | U+00C9  | É     | E           | Latin capital letter E with acute      |
 * | U+00CA  | Ê     | E           | Latin capital letter E with circumflex |
 * | U+00CB  | Ë     | E           | Latin capital letter E with diaeresis  |
 * | U+00CC  | Ì     | I           | Latin capital letter I with grave      |
 * | U+00CD  | Í     | I           | Latin capital letter I with acute      |
 * | U+00CE  | Î     | I           | Latin capital letter I with circumflex |
 * | U+00CF  | Ï     | I           | Latin capital letter I with diaeresis  |
 * | U+00D0  | Ð     | D           | Latin capital letter Eth               |
 * | U+00D1  | Ñ     | N           | Latin capital letter N with tilde      |
 * | U+00D2  | Ò     | O           | Latin capital letter O with grave      |
 * | U+00D3  | Ó     | O           | Latin capital letter O with acute      |
 * | U+00D4  | Ô     | O           | Latin capital letter O with circumflex |
 * | U+00D5  | Õ     | O           | Latin capital letter O with tilde      |
 * | U+00D6  | Ö     | O           | Latin capital letter O with diaeresis  |
 * | U+00D8  | ├ÿ     | O           | Latin capital letter O with stroke     |
 * | U+00D9  | Ù     | U           | Latin capital letter U with grave      |
 * | U+00DA  | Ú     | U           | Latin capital letter U with acute      |
 * | U+00DB  | Û     | U           | Latin capital letter U with circumflex |
 * | U+00DC  | Ü     | U           | Latin capital letter U with diaeresis  |
 * | U+00DD  | Ý     | Y           | Latin capital letter Y with acute      |
 * | U+00DE  | Þ     | TH          | Latin capital letter Thorn             |
 * | U+00DF  | ß     | s           | Latin small letter sharp s             |
 * | U+00E0  | à     | a           | Latin small letter a with grave        |
 * | U+00E1  | á     | a           | Latin small letter a with acute        |
 * | U+00E2  | â     | a           | Latin small letter a with circumflex   |
 * | U+00E3  | ã     | a           | Latin small letter a with tilde        |
 * | U+00E4  | ä     | a           | Latin small letter a with diaeresis    |
 * | U+00E5  | å     | a           | Latin small letter a with ring above   |
 * | U+00E6  | æ     | ae          | Latin small letter ae                  |
 * | U+00E7  | ç     | c           | Latin small letter c with cedilla      |
 * | U+00E8  | è     | e           | Latin small letter e with grave        |
 * | U+00E9  | é     | e           | Latin small letter e with acute        |
 * | U+00EA  | ê     | e           | Latin small letter e with circumflex   |
 * | U+00EB  | ë     | e           | Latin small letter e with diaeresis    |
 * | U+00EC  | ì     | i           | Latin small letter i with grave        |
 * | U+00ED  | í     | i           | Latin small letter i with acute        |
 * | U+00EE  | î     | i           | Latin small letter i with circumflex   |
 * | U+00EF  | ï     | i           | Latin small letter i with diaeresis    |
 * | U+00F0  | ├░     | d           | Latin small letter Eth                 |
 * | U+00F1  | ├▒     | n           | Latin small letter n with tilde        |
 * | U+00F2  | ├▓     | o           | Latin small letter o with grave        |
 * | U+00F3  | ├│     | o           | Latin small letter o with acute        |
 * | U+00F4  | ├┤     | o           | Latin small letter o with circumflex   |
 * | U+00F5  | ├╡     | o           | Latin small letter o with tilde        |
 * | U+00F6  | ├╢     | o           | Latin small letter o with diaeresis    |
 * | U+00F8  | ├╕     | o           | Latin small letter o with stroke       |
 * | U+00F9  | ├╣     | u           | Latin small letter u with grave        |
 * | U+00FA  | ├║     | u           | Latin small letter u with acute        |
 * | U+00FB  | ├╗     | u           | Latin small letter u with circumflex   |
 * | U+00FC  | ├╝     | u           | Latin small letter u with diaeresis    |
 * | U+00FD  | ├╜     | y           | Latin small letter y with acute        |
 * | U+00FE  | ├╛     | th          | Latin small letter Thorn               |
 * | U+00FF  | ├┐     | y           | Latin small letter y with diaeresis    |
 *
 * Decompositions for Latin Extended-A:
 *
 * |  Code   | Glyph | Replacement |                    Description                    |
 * | ------- | ----- | ----------- | ------------------------------------------------- |
 * | U+0100  | ─Ç     | A           | Latin capital letter A with macron                |
 * | U+0101  | ─ü     | a           | Latin small letter a with macron                  |
 * | U+0102  | ─é     | A           | Latin capital letter A with breve                 |
 * | U+0103  | ─â     | a           | Latin small letter a with breve                   |
 * | U+0104  | ─ä     | A           | Latin capital letter A with ogonek                |
 * | U+0105  | ─à     | a           | Latin small letter a with ogonek                  |
 * | U+01006 | ─å     | C           | Latin capital letter C with acute                 |
 * | U+0107  | ─ç     | c           | Latin small letter c with acute                   |
 * | U+0108  | ─ê     | C           | Latin capital letter C with circumflex            |
 * | U+0109  | ─ë     | c           | Latin small letter c with circumflex              |
 * | U+010A  | ─è     | C           | Latin capital letter C with dot above             |
 * | U+010B  | ─ï     | c           | Latin small letter c with dot above               |
 * | U+010C  | ─î     | C           | Latin capital letter C with caron                 |
 * | U+010D  | ─ì     | c           | Latin small letter c with caron                   |
 * | U+010E  | ─Ä     | D           | Latin capital letter D with caron                 |
 * | U+010F  | ─Å     | d           | Latin small letter d with caron                   |
 * | U+0110  | ─É     | D           | Latin capital letter D with stroke                |
 * | U+0111  | ─æ     | d           | Latin small letter d with stroke                  |
 * | U+0112  | ─Æ     | E           | Latin capital letter E with macron                |
 * | U+0113  | ─ô     | e           | Latin small letter e with macron                  |
 * | U+0114  | ─ö     | E           | Latin capital letter E with breve                 |
 * | U+0115  | ─ò     | e           | Latin small letter e with breve                   |
 * | U+0116  | ─û     | E           | Latin capital letter E with dot above             |
 * | U+0117  | ─ù     | e           | Latin small letter e with dot above               |
 * | U+0118  | ─ÿ     | E           | Latin capital letter E with ogonek                |
 * | U+0119  | ─Ö     | e           | Latin small letter e with ogonek                  |
 * | U+011A  | ─Ü     | E           | Latin capital letter E with caron                 |
 * | U+011B  | ─¢     | e           | Latin small letter e with caron                   |
 * | U+011C  | ─£     | G           | Latin capital letter G with circumflex            |
 * | U+011D  | ─¥     | g           | Latin small letter g with circumflex              |
 * | U+011E  | ─₧     | G           | Latin capital letter G with breve                 |
 * | U+011F  | ─ƒ     | g           | Latin small letter g with breve                   |
 * | U+0120  | ─á     | G           | Latin capital letter G with dot above             |
 * | U+0121  | ─í     | g           | Latin small letter g with dot above               |
 * | U+0122  | ─ó     | G           | Latin capital letter G with cedilla               |
 * | U+0123  | ─ú     | g           | Latin small letter g with cedilla                 |
 * | U+0124  | ─ñ     | H           | Latin capital letter H with circumflex            |
 * | U+0125  | ─Ñ     | h           | Latin small letter h with circumflex              |
 * | U+0126  | ─ª     | H           | Latin capital letter H with stroke                |
 * | U+0127  | ─º     | h           | Latin small letter h with stroke                  |
 * | U+0128  | ─¿     | I           | Latin capital letter I with tilde                 |
 * | U+0129  | ─⌐     | i           | Latin small letter i with tilde                   |
 * | U+012A  | ─¬     | I           | Latin capital letter I with macron                |
 * | U+012B  | ─½     | i           | Latin small letter i with macron                  |
 * | U+012C  | ─¼     | I           | Latin capital letter I with breve                 |
 * | U+012D  | ─¡     | i           | Latin small letter i with breve                   |
 * | U+012E  | ─«     | I           | Latin capital letter I with ogonek                |
 * | U+012F  | ─»     | i           | Latin small letter i with ogonek                  |
 * | U+0130  | ─░     | I           | Latin capital letter I with dot above             |
 * | U+0131  | ─▒     | i           | Latin small letter dotless i                      |
 * | U+0132  | ─▓     | IJ          | Latin capital ligature IJ                         |
 * | U+0133  | ─│     | ij          | Latin small ligature ij                           |
 * | U+0134  | ─┤     | J           | Latin capital letter J with circumflex            |
 * | U+0135  | ─╡     | j           | Latin small letter j with circumflex              |
 * | U+0136  | ─╢     | K           | Latin capital letter K with cedilla               |
 * | U+0137  | ─╖     | k           | Latin small letter k with cedilla                 |
 * | U+0138  | ─╕     | k           | Latin small letter Kra                            |
 * | U+0139  | ─╣     | L           | Latin capital letter L with acute                 |
 * | U+013A  | ─║     | l           | Latin small letter l with acute                   |
 * | U+013B  | ─╗     | L           | Latin capital letter L with cedilla               |
 * | U+013C  | ─╝     | l           | Latin small letter l with cedilla                 |
 * | U+013D  | ─╜     | L           | Latin capital letter L with caron                 |
 * | U+013E  | ─╛     | l           | Latin small letter l with caron                   |
 * | U+013F  | ─┐     | L           | Latin capital letter L with middle dot            |
 * | U+0140  | ŀ     | l           | Latin small letter l with middle dot              |
 * | U+0141  | Ł     | L           | Latin capital letter L with stroke                |
 * | U+0142  | ł     | l           | Latin small letter l with stroke                  |
 * | U+0143  | Ń     | N           | Latin capital letter N with acute                 |
 * | U+0144  | ń     | n           | Latin small letter N with acute                   |
 * | U+0145  | Ņ     | N           | Latin capital letter N with cedilla               |
 * | U+0146  | ņ     | n           | Latin small letter n with cedilla                 |
 * | U+0147  | Ň     | N           | Latin capital letter N with caron                 |
 * | U+0148  | ň     | n           | Latin small letter n with caron                   |
 * | U+0149  | ʼn     | n           | Latin small letter n preceded by apostrophe       |
 * | U+014A  | Ŋ     | N           | Latin capital letter Eng                          |
 * | U+014B  | ŋ     | n           | Latin small letter Eng                            |
 * | U+014C  | Ō     | O           | Latin capital letter O with macron                |
 * | U+014D  | ō     | o           | Latin small letter o with macron                  |
 * | U+014E  | Ŏ     | O           | Latin capital letter O with breve                 |
 * | U+014F  | ŏ     | o           | Latin small letter o with breve                   |
 * | U+0150  | Ő     | O           | Latin capital letter O with double acute          |
 * | U+0151  | ő     | o           | Latin small letter o with double acute            |
 * | U+0152  | Π    | OE          | Latin capital ligature OE                         |
 * | U+0153  | œ     | oe          | Latin small ligature oe                           |
 * | U+0154  | Ŕ     | R           | Latin capital letter R with acute                 |
 * | U+0155  | ŕ     | r           | Latin small letter r with acute                   |
 * | U+0156  | Ŗ     | R           | Latin capital letter R with cedilla               |
 * | U+0157  | ŗ     | r           | Latin small letter r with cedilla                 |
 * | U+0158  | ┼ÿ     | R           | Latin capital letter R with caron                 |
 * | U+0159  | ř     | r           | Latin small letter r with caron                   |
 * | U+015A  | Ś     | S           | Latin capital letter S with acute                 |
 * | U+015B  | ś     | s           | Latin small letter s with acute                   |
 * | U+015C  | Ŝ     | S           | Latin capital letter S with circumflex            |
 * | U+015D  | ŝ     | s           | Latin small letter s with circumflex              |
 * | U+015E  | Ş     | S           | Latin capital letter S with cedilla               |
 * | U+015F  | ş     | s           | Latin small letter s with cedilla                 |
 * | U+0160  | Š     | S           | Latin capital letter S with caron                 |
 * | U+0161  | š     | s           | Latin small letter s with caron                   |
 * | U+0162  | Ţ     | T           | Latin capital letter T with cedilla               |
 * | U+0163  | ţ     | t           | Latin small letter t with cedilla                 |
 * | U+0164  | Ť     | T           | Latin capital letter T with caron                 |
 * | U+0165  | ť     | t           | Latin small letter t with caron                   |
 * | U+0166  | Ŧ     | T           | Latin capital letter T with stroke                |
 * | U+0167  | ŧ     | t           | Latin small letter t with stroke                  |
 * | U+0168  | Ũ     | U           | Latin capital letter U with tilde                 |
 * | U+0169  | ũ     | u           | Latin small letter u with tilde                   |
 * | U+016A  | Ū     | U           | Latin capital letter U with macron                |
 * | U+016B  | ū     | u           | Latin small letter u with macron                  |
 * | U+016C  | Ŭ     | U           | Latin capital letter U with breve                 |
 * | U+016D  | ŭ     | u           | Latin small letter u with breve                   |
 * | U+016E  | Ů     | U           | Latin capital letter U with ring above            |
 * | U+016F  | ů     | u           | Latin small letter u with ring above              |
 * | U+0170  | ┼░     | U           | Latin capital letter U with double acute          |
 * | U+0171  | ┼▒     | u           | Latin small letter u with double acute            |
 * | U+0172  | ┼▓     | U           | Latin capital letter U with ogonek                |
 * | U+0173  | ┼│     | u           | Latin small letter u with ogonek                  |
 * | U+0174  | ┼┤     | W           | Latin capital letter W with circumflex            |
 * | U+0175  | ┼╡     | w           | Latin small letter w with circumflex              |
 * | U+0176  | ┼╢     | Y           | Latin capital letter Y with circumflex            |
 * | U+0177  | ┼╖     | y           | Latin small letter y with circumflex              |
 * | U+0178  | ┼╕     | Y           | Latin capital letter Y with diaeresis             |
 * | U+0179  | ┼╣     | Z           | Latin capital letter Z with acute                 |
 * | U+017A  | ┼║     | z           | Latin small letter z with acute                   |
 * | U+017B  | ┼╗     | Z           | Latin capital letter Z with dot above             |
 * | U+017C  | ┼╝     | z           | Latin small letter z with dot above               |
 * | U+017D  | ┼╜     | Z           | Latin capital letter Z with caron                 |
 * | U+017E  | ┼╛     | z           | Latin small letter z with caron                   |
 * | U+017F  | ┼┐     | s           | Latin small letter long s                         |
 * | U+01A0  | Ơ     | O           | Latin capital letter O with horn                  |
 * | U+01A1  | ơ     | o           | Latin small letter o with horn                    |
 * | U+01AF  | Ư     | U           | Latin capital letter U with horn                  |
 * | U+01B0  | ╞░     | u           | Latin small letter u with horn                    |
 * | U+01CD  | Ǎ     | A           | Latin capital letter A with caron                 |
 * | U+01CE  | ǎ     | a           | Latin small letter a with caron                   |
 * | U+01CF  | Ǐ     | I           | Latin capital letter I with caron                 |
 * | U+01D0  | ǐ     | i           | Latin small letter i with caron                   |
 * | U+01D1  | Ǒ     | O           | Latin capital letter O with caron                 |
 * | U+01D2  | ǒ     | o           | Latin small letter o with caron                   |
 * | U+01D3  | Ǔ     | U           | Latin capital letter U with caron                 |
 * | U+01D4  | ǔ     | u           | Latin small letter u with caron                   |
 * | U+01D5  | Ǖ     | U           | Latin capital letter U with diaeresis and macron  |
 * | U+01D6  | ǖ     | u           | Latin small letter u with diaeresis and macron    |
 * | U+01D7  | Ǘ     | U           | Latin capital letter U with diaeresis and acute   |
 * | U+01D8  | ╟ÿ     | u           | Latin small letter u with diaeresis and acute     |
 * | U+01D9  | Ǚ     | U           | Latin capital letter U with diaeresis and caron   |
 * | U+01DA  | ǚ     | u           | Latin small letter u with diaeresis and caron     |
 * | U+01DB  | Ǜ     | U           | Latin capital letter U with diaeresis and grave   |
 * | U+01DC  | ǜ     | u           | Latin small letter u with diaeresis and grave     |
 *
 * Decompositions for Latin Extended-B:
 *
 * |   Code   | Glyph | Replacement |                Description                |
 * | -------- | ----- | ----------- | ----------------------------------------- |
 * | U+0218   | ╚ÿ     | S           | Latin capital letter S with comma below   |
 * | U+0219   | ș     | s           | Latin small letter s with comma below     |
 * | U+021A   | Ț     | T           | Latin capital letter T with comma below   |
 * | U+021B   | ț     | t           | Latin small letter t with comma below     |
 *
 * Vowels with diacritic (Chinese, Hanyu Pinyin):
 *
 * |   Code   | Glyph | Replacement |                      Description                      |
 * | -------- | ----- | ----------- | ----------------------------------------------------- |
 * | U+0251   | ɑ     | a           | Latin small letter alpha                              |
 * | U+1EA0   | Ạ     | A           | Latin capital letter A with dot below                 |
 * | U+1EA1   | ạ     | a           | Latin small letter a with dot below                   |
 * | U+1EA2   | Ả     | A           | Latin capital letter A with hook above                |
 * | U+1EA3   | ả     | a           | Latin small letter a with hook above                  |
 * | U+1EA4   | Ấ     | A           | Latin capital letter A with circumflex and acute      |
 * | U+1EA5   | ấ     | a           | Latin small letter a with circumflex and acute        |
 * | U+1EA6   | Ầ     | A           | Latin capital letter A with circumflex and grave      |
 * | U+1EA7   | ầ     | a           | Latin small letter a with circumflex and grave        |
 * | U+1EA8   | Ẩ     | A           | Latin capital letter A with circumflex and hook above |
 * | U+1EA9   | ẩ     | a           | Latin small letter a with circumflex and hook above   |
 * | U+1EAA   | Ẫ     | A           | Latin capital letter A with circumflex and tilde      |
 * | U+1EAB   | ẫ     | a           | Latin small letter a with circumflex and tilde        |
 * | U+1EA6   | Ậ     | A           | Latin capital letter A with circumflex and dot below  |
 * | U+1EAD   | ậ     | a           | Latin small letter a with circumflex and dot below    |
 * | U+1EAE   | Ắ     | A           | Latin capital letter A with breve and acute           |
 * | U+1EAF   | ắ     | a           | Latin small letter a with breve and acute             |
 * | U+1EB0   | Ằ     | A           | Latin capital letter A with breve and grave           |
 * | U+1EB1   | ằ     | a           | Latin small letter a with breve and grave             |
 * | U+1EB2   | Ẳ     | A           | Latin capital letter A with breve and hook above      |
 * | U+1EB3   | ẳ     | a           | Latin small letter a with breve and hook above        |
 * | U+1EB4   | Ẵ     | A           | Latin capital letter A with breve and tilde           |
 * | U+1EB5   | ẵ     | a           | Latin small letter a with breve and tilde             |
 * | U+1EB6   | Ặ     | A           | Latin capital letter A with breve and dot below       |
 * | U+1EB7   | ặ     | a           | Latin small letter a with breve and dot below         |
 * | U+1EB8   | Ẹ     | E           | Latin capital letter E with dot below                 |
 * | U+1EB9   | ẹ     | e           | Latin small letter e with dot below                   |
 * | U+1EBA   | Ẻ     | E           | Latin capital letter E with hook above                |
 * | U+1EBB   | ẻ     | e           | Latin small letter e with hook above                  |
 * | U+1EBC   | Ẽ     | E           | Latin capital letter E with tilde                     |
 * | U+1EBD   | ẽ     | e           | Latin small letter e with tilde                       |
 * | U+1EBE   | Ế     | E           | Latin capital letter E with circumflex and acute      |
 * | U+1EBF   | ế     | e           | Latin small letter e with circumflex and acute        |
 * | U+1EC0   | Ề     | E           | Latin capital letter E with circumflex and grave      |
 * | U+1EC1   | ề     | e           | Latin small letter e with circumflex and grave        |
 * | U+1EC2   | Ể     | E           | Latin capital letter E with circumflex and hook above |
 * | U+1EC3   | ể     | e           | Latin small letter e with circumflex and hook above   |
 * | U+1EC4   | Ễ     | E           | Latin capital letter E with circumflex and tilde      |
 * | U+1EC5   | ễ     | e           | Latin small letter e with circumflex and tilde        |
 * | U+1EC6   | Ệ     | E           | Latin capital letter E with circumflex and dot below  |
 * | U+1EC7   | ệ     | e           | Latin small letter e with circumflex and dot below    |
 * | U+1EC8   | Ỉ     | I           | Latin capital letter I with hook above                |
 * | U+1EC9   | ỉ     | i           | Latin small letter i with hook above                  |
 * | U+1ECA   | Ị     | I           | Latin capital letter I with dot below                 |
 * | U+1ECB   | ị     | i           | Latin small letter i with dot below                   |
 * | U+1ECC   | Ọ     | O           | Latin capital letter O with dot below                 |
 * | U+1ECD   | ọ     | o           | Latin small letter o with dot below                   |
 * | U+1ECE   | Ỏ     | O           | Latin capital letter O with hook above                |
 * | U+1ECF   | ỏ     | o           | Latin small letter o with hook above                  |
 * | U+1ED0   | Ố     | O           | Latin capital letter O with circumflex and acute      |
 * | U+1ED1   | ố     | o           | Latin small letter o with circumflex and acute        |
 * | U+1ED2   | Ồ     | O           | Latin capital letter O with circumflex and grave      |
 * | U+1ED3   | ồ     | o           | Latin small letter o with circumflex and grave        |
 * | U+1ED4   | Ổ     | O           | Latin capital letter O with circumflex and hook above |
 * | U+1ED5   | ổ     | o           | Latin small letter o with circumflex and hook above   |
 * | U+1ED6   | Ỗ     | O           | Latin capital letter O with circumflex and tilde      |
 * | U+1ED7   | ỗ     | o           | Latin small letter o with circumflex and tilde        |
 * | U+1ED8   | Ộ     | O           | Latin capital letter O with circumflex and dot below  |
 * | U+1ED9   | ộ     | o           | Latin small letter o with circumflex and dot below    |
 * | U+1EDA   | Ớ     | O           | Latin capital letter O with horn and acute            |
 * | U+1EDB   | ớ     | o           | Latin small letter o with horn and acute              |
 * | U+1EDC   | Ờ     | O           | Latin capital letter O with horn and grave            |
 * | U+1EDD   | ờ     | o           | Latin small letter o with horn and grave              |
 * | U+1EDE   | Ở     | O           | Latin capital letter O with horn and hook above       |
 * | U+1EDF   | ở     | o           | Latin small letter o with horn and hook above         |
 * | U+1EE0   | Ỡ     | O           | Latin capital letter O with horn and tilde            |
 * | U+1EE1   | ỡ     | o           | Latin small letter o with horn and tilde              |
 * | U+1EE2   | Ợ     | O           | Latin capital letter O with horn and dot below        |
 * | U+1EE3   | ợ     | o           | Latin small letter o with horn and dot below          |
 * | U+1EE4   | Ụ     | U           | Latin capital letter U with dot below                 |
 * | U+1EE5   | ụ     | u           | Latin small letter u with dot below                   |
 * | U+1EE6   | Ủ     | U           | Latin capital letter U with hook above                |
 * | U+1EE7   | ủ     | u           | Latin small letter u with hook above                  |
 * | U+1EE8   | Ứ     | U           | Latin capital letter U with horn and acute            |
 * | U+1EE9   | ứ     | u           | Latin small letter u with horn and acute              |
 * | U+1EEA   | Ừ     | U           | Latin capital letter U with horn and grave            |
 * | U+1EEB   | ừ     | u           | Latin small letter u with horn and grave              |
 * | U+1EEC   | Ử     | U           | Latin capital letter U with horn and hook above       |
 * | U+1EED   | ử     | u           | Latin small letter u with horn and hook above         |
 * | U+1EEE   | Ữ     | U           | Latin capital letter U with horn and tilde            |
 * | U+1EEF   | ữ     | u           | Latin small letter u with horn and tilde              |
 * | U+1EF0   | Ự     | U           | Latin capital letter U with horn and dot below        |
 * | U+1EF1   | ự     | u           | Latin small letter u with horn and dot below          |
 * | U+1EF2   | Ỳ     | Y           | Latin capital letter Y with grave                     |
 * | U+1EF3   | ỳ     | y           | Latin small letter y with grave                       |
 * | U+1EF4   | Ỵ     | Y           | Latin capital letter Y with dot below                 |
 * | U+1EF5   | ỵ     | y           | Latin small letter y with dot below                   |
 * | U+1EF6   | Ỷ     | Y           | Latin capital letter Y with hook above                |
 * | U+1EF7   | ỷ     | y           | Latin small letter y with hook above                  |
 * | U+1EF8   | Ỹ     | Y           | Latin capital letter Y with tilde                     |
 * | U+1EF9   | ỹ     | y           | Latin small letter y with tilde                       |
 *
 * German (`de_DE`), German formal (`de_DE_formal`), German (Switzerland) formal (`de_CH`),
 * and German (Switzerland) informal (`de_CH_informal`) locales:
 *
 * |   Code   | Glyph | Replacement |               Description               |
 * | -------- | ----- | ----------- | --------------------------------------- |
 * | U+00C4   | Ä     | Ae          | Latin capital letter A with diaeresis   |
 * | U+00E4   | ä     | ae          | Latin small letter a with diaeresis     |
 * | U+00D6   | Ö     | Oe          | Latin capital letter O with diaeresis   |
 * | U+00F6   | ├╢     | oe          | Latin small letter o with diaeresis     |
 * | U+00DC   | Ü     | Ue          | Latin capital letter U with diaeresis   |
 * | U+00FC   | ├╝     | ue          | Latin small letter u with diaeresis     |
 * | U+00DF   | ß     | ss          | Latin small letter sharp s              |
 *
 * Danish (`da_DK`) locale:
 *
 * |   Code   | Glyph | Replacement |               Description               |
 * | -------- | ----- | ----------- | --------------------------------------- |
 * | U+00C6   | Æ     | Ae          | Latin capital letter AE                 |
 * | U+00E6   | æ     | ae          | Latin small letter ae                   |
 * | U+00D8   | ├ÿ     | Oe          | Latin capital letter O with stroke      |
 * | U+00F8   | ├╕     | oe          | Latin small letter o with stroke        |
 * | U+00C5   | Å     | Aa          | Latin capital letter A with ring above  |
 * | U+00E5   | å     | aa          | Latin small letter a with ring above    |
 *
 * Catalan (`ca`) locale:
 *
 * |   Code   | Glyph | Replacement |               Description               |
 * | -------- | ----- | ----------- | --------------------------------------- |
 * | U+00B7   | l┬╖l   | ll          | Flown dot (between two Ls)              |
 *
 * Serbian (`sr_RS`) and Bosnian (`bs_BA`) locales:
 *
 * |   Code   | Glyph | Replacement |               Description               |
 * | -------- | ----- | ----------- | --------------------------------------- |
 * | U+0110   | ─É     | DJ          | Latin capital letter D with stroke      |
 * | U+0111   | ─æ     | dj          | Latin small letter d with stroke        |
 *
 * @since 1.2.1
 * @since 4.6.0 Added locale support for `de_CH`, `de_CH_informal`, and `ca`.
 * @since 4.7.0 Added locale support for `sr_RS`.
 * @since 4.8.0 Added locale support for `bs_BA`.
 *
 * @param string $string Text that might have accent characters
 * @return string Filtered string with replaced "nice" characters.
 */
function remove_accents( $string ) {
    if ( !preg_match('/[\x80-\xff]/', $string) )
        return $string;

    if (seems_utf8($string)) {
        $chars = array(
        // Decompositions for Latin-1 Supplement
        'ª' => 'a', 'º' => 'o',
        'À' => 'A', 'Á' => 'A',
        'Â' => 'A', 'Ã' => 'A',
        'Ä' => 'A', 'Å' => 'A',
        'Æ' => 'AE','Ç' => 'C',
        'È' => 'E', 'É' => 'E',
        'Ê' => 'E', 'Ë' => 'E',
        'Ì' => 'I', 'Í' => 'I',
        'Î' => 'I', 'Ï' => 'I',
        'Ð' => 'D', 'Ñ' => 'N',
        'Ò' => 'O', 'Ó' => 'O',
        'Ô' => 'O', 'Õ' => 'O',
        'Ö' => 'O', 'Ù' => 'U',
        'Ú' => 'U', 'Û' => 'U',
        'Ü' => 'U', 'Ý' => 'Y',
        'Þ' => 'TH','ß' => 's',
        'à' => 'a', 'á' => 'a',
        'â' => 'a', 'ã' => 'a',
        'ä' => 'a', 'å' => 'a',
        'æ' => 'ae','ç' => 'c',
        'è' => 'e', 'é' => 'e',
        'ê' => 'e', 'ë' => 'e',
        'ì' => 'i', 'í' => 'i',
        'î' => 'i', 'ï' => 'i',
        '├░' => 'd', '├▒' => 'n',
        '├▓' => 'o', '├│' => 'o',
        '├┤' => 'o', '├╡' => 'o',
        '├╢' => 'o', '├╕' => 'o',
        '├╣' => 'u', '├║' => 'u',
        '├╗' => 'u', '├╝' => 'u',
        '├╜' => 'y', '├╛' => 'th',
        '├┐' => 'y', '├ÿ' => 'O',
        // Decompositions for Latin Extended-A
        '─Ç' => 'A', '─ü' => 'a',
        '─é' => 'A', '─â' => 'a',
        '─ä' => 'A', '─à' => 'a',
        '─å' => 'C', '─ç' => 'c',
        '─ê' => 'C', '─ë' => 'c',
        '─è' => 'C', '─ï' => 'c',
        '─î' => 'C', '─ì' => 'c',
        '─Ä' => 'D', '─Å' => 'd',
        '─É' => 'D', '─æ' => 'd',
        '─Æ' => 'E', '─ô' => 'e',
        '─ö' => 'E', '─ò' => 'e',
        '─û' => 'E', '─ù' => 'e',
        '─ÿ' => 'E', '─Ö' => 'e',
        '─Ü' => 'E', '─¢' => 'e',
        '─£' => 'G', '─¥' => 'g',
        '─₧' => 'G', '─ƒ' => 'g',
        '─á' => 'G', '─í' => 'g',
        '─ó' => 'G', '─ú' => 'g',
        '─ñ' => 'H', '─Ñ' => 'h',
        '─ª' => 'H', '─º' => 'h',
        '─¿' => 'I', '─⌐' => 'i',
        '─¬' => 'I', '─½' => 'i',
        '─¼' => 'I', '─¡' => 'i',
        '─«' => 'I', '─»' => 'i',
        '─░' => 'I', '─▒' => 'i',
        '─▓' => 'IJ','─│' => 'ij',
        '─┤' => 'J', '─╡' => 'j',
        '─╢' => 'K', '─╖' => 'k',
        '─╕' => 'k', '─╣' => 'L',
        '─║' => 'l', '─╗' => 'L',
        '─╝' => 'l', '─╜' => 'L',
        '─╛' => 'l', '─┐' => 'L',
        'ŀ' => 'l', 'Ł' => 'L',
        'ł' => 'l', 'Ń' => 'N',
        'ń' => 'n', 'Ņ' => 'N',
        'ņ' => 'n', 'Ň' => 'N',
        'ň' => 'n', 'ʼn' => 'n',
        'Ŋ' => 'N', 'ŋ' => 'n',
        'Ō' => 'O', 'ō' => 'o',
        'Ŏ' => 'O', 'ŏ' => 'o',
        'Ő' => 'O', 'ő' => 'o',
        'Œ' => 'OE','œ' => 'oe',
        'Ŕ' => 'R','ŕ' => 'r',
        'Ŗ' => 'R','ŗ' => 'r',
        'Ř' => 'R','ř' => 'r',
        'Ś' => 'S','ś' => 's',
        'Ŝ' => 'S','ŝ' => 's',
        'Ş' => 'S','ş' => 's',
        'Š' => 'S', 'š' => 's',
        'Ţ' => 'T', 'ţ' => 't',
        'Ť' => 'T', 'ť' => 't',
        'Ŧ' => 'T', 'ŧ' => 't',
        'Ũ' => 'U', 'ũ' => 'u',
        'Ū' => 'U', 'ū' => 'u',
        'Ŭ' => 'U', 'ŭ' => 'u',
        'Ů' => 'U', 'ů' => 'u',
        '┼░' => 'U', '┼▒' => 'u',
        '┼▓' => 'U', '┼│' => 'u',
        '┼┤' => 'W', '┼╡' => 'w',
        '┼╢' => 'Y', '┼╖' => 'y',
        '┼╕' => 'Y', '┼╣' => 'Z',
        '┼║' => 'z', '┼╗' => 'Z',
        '┼╝' => 'z', '┼╜' => 'Z',
        '┼╛' => 'z', '┼┐' => 's',
        // Decompositions for Latin Extended-B
        'Ș' => 'S', 'ș' => 's',
        'Ț' => 'T', 'ț' => 't',
        // Euro Sign
        'Γé¼' => 'E',
        // GBP (Pound) Sign
        '£' => '',
        // Vowels with diacritic (Vietnamese)
        // unmarked
        'Ơ' => 'O', 'ơ' => 'o',
        'Ư' => 'U', 'ư' => 'u',
        // grave accent
        'Ầ' => 'A', 'ầ' => 'a',
        'Ằ' => 'A', 'ằ' => 'a',
        'Ề' => 'E', 'ề' => 'e',
        'Ồ' => 'O', 'ồ' => 'o',
        'Ờ' => 'O', 'ờ' => 'o',
        'Ừ' => 'U', 'ừ' => 'u',
        'Ỳ' => 'Y', 'ỳ' => 'y',
        // hook
        'Ả' => 'A', 'ả' => 'a',
        'Ẩ' => 'A', 'ẩ' => 'a',
        'Ẳ' => 'A', 'ẳ' => 'a',
        'Ẻ' => 'E', 'ẻ' => 'e',
        'Ể' => 'E', 'ể' => 'e',
        'Ỉ' => 'I', 'ỉ' => 'i',
        'Ỏ' => 'O', 'ỏ' => 'o',
        'Ổ' => 'O', 'ổ' => 'o',
        'Ở' => 'O', 'ở' => 'o',
        'Ủ' => 'U', 'ủ' => 'u',
        'Ử' => 'U', 'ử' => 'u',
        'Ỷ' => 'Y', 'ỷ' => 'y',
        // tilde
        'Ẫ' => 'A', 'ẫ' => 'a',
        'Ẵ' => 'A', 'ẵ' => 'a',
        'Ẽ' => 'E', 'ẽ' => 'e',
        'Ễ' => 'E', 'ễ' => 'e',
        'Ỗ' => 'O', 'ỗ' => 'o',
        'Ỡ' => 'O', 'ỡ' => 'o',
        'Ữ' => 'U', 'ữ' => 'u',
        'Ỹ' => 'Y', 'ỹ' => 'y',
        // acute accent
        'Ấ' => 'A', 'ấ' => 'a',
        'Ắ' => 'A', 'ắ' => 'a',
        'Ế' => 'E', 'ế' => 'e',
        'Ố' => 'O', 'ố' => 'o',
        'Ớ' => 'O', 'ớ' => 'o',
        'Ứ' => 'U', 'ứ' => 'u',
        // dot below
        'Ạ' => 'A', 'ạ' => 'a',
        'Ậ' => 'A', 'ậ' => 'a',
        'Ặ' => 'A', 'ặ' => 'a',
        'Ẹ' => 'E', 'ẹ' => 'e',
        'Ệ' => 'E', 'ệ' => 'e',
        'Ị' => 'I', 'ị' => 'i',
        'Ọ' => 'O', 'ọ' => 'o',
        'Ộ' => 'O', 'ộ' => 'o',
        'Ợ' => 'O', 'ợ' => 'o',
        'Ụ' => 'U', 'ụ' => 'u',
        'Ự' => 'U', 'ự' => 'u',
        'Ỵ' => 'Y', 'ỵ' => 'y',
        // Vowels with diacritic (Chinese, Hanyu Pinyin)
        'ɑ' => 'a',
        // macron
        'Ǖ' => 'U', 'ǖ' => 'u',
        // acute accent
        'Ǘ' => 'U', 'ǘ' => 'u',
        // caron
        'Ǎ' => 'A', 'ǎ' => 'a',
        'Ǐ' => 'I', 'ǐ' => 'i',
        'Ǒ' => 'O', 'ǒ' => 'o',
        'Ǔ' => 'U', 'ǔ' => 'u',
        'Ǚ' => 'U', 'ǚ' => 'u',
        // grave accent
        'Ǜ' => 'U', 'ǜ' => 'u',
        );

        // Used for locale-specific rules
        $locale = get_locale();

        if ( 'de_DE' == $locale || 'de_DE_formal' == $locale || 'de_CH' == $locale || 'de_CH_informal' == $locale ) {
            $chars[ 'Ä' ] = 'Ae';
            $chars[ 'ä' ] = 'ae';
            $chars[ 'Ö' ] = 'Oe';
            $chars[ '├╢' ] = 'oe';
            $chars[ 'Ü' ] = 'Ue';
            $chars[ '├╝' ] = 'ue';
            $chars[ 'ß' ] = 'ss';
        } elseif ( 'da_DK' === $locale ) {
            $chars[ 'Æ' ] = 'Ae';
             $chars[ 'æ' ] = 'ae';
            $chars[ '├ÿ' ] = 'Oe';
            $chars[ '├╕' ] = 'oe';
            $chars[ 'Å' ] = 'Aa';
            $chars[ 'å' ] = 'aa';
        } elseif ( 'ca' === $locale ) {
            $chars[ 'l┬╖l' ] = 'll';
        } elseif ( 'sr_RS' === $locale || 'bs_BA' === $locale ) {
            $chars[ '─É' ] = 'DJ';
            $chars[ '─æ' ] = 'dj';
        }

        $string = strtr($string, $chars);
    } else {
        $chars = array();
        // Assume ISO-8859-1 if not UTF-8
        $chars['in'] = "\x80\x83\x8a\x8e\x9a\x9e"
            ."\x9f\xa2\xa5\xb5\xc0\xc1\xc2"
            ."\xc3\xc4\xc5\xc7\xc8\xc9\xca"
            ."\xcb\xcc\xcd\xce\xcf\xd1\xd2"
            ."\xd3\xd4\xd5\xd6\xd8\xd9\xda"
            ."\xdb\xdc\xdd\xe0\xe1\xe2\xe3"
            ."\xe4\xe5\xe7\xe8\xe9\xea\xeb"
            ."\xec\xed\xee\xef\xf1\xf2\xf3"
            ."\xf4\xf5\xf6\xf8\xf9\xfa\xfb"
            ."\xfc\xfd\xff";

        $chars['out'] = "EfSZszYcYuAAAAAACEEEEIIIINOOOOOOUUUUYaaaaaaceeeeiiiinoooooouuuuyy";

        $string = strtr($string, $chars['in'], $chars['out']);
        $double_chars = array();
        $double_chars['in'] = array("\x8c", "\x9c", "\xc6", "\xd0", "\xde", "\xdf", "\xe6", "\xf0", "\xfe");
        $double_chars['out'] = array('OE', 'oe', 'AE', 'DH', 'TH', 'ss', 'ae', 'dh', 'th');
        $string = str_replace($double_chars['in'], $double_chars['out'], $string);
    }

    return $string;
}

/**
 * Sanitizes a filename, replacing whitespace with dashes.
 *
 * Removes special characters that are illegal in filenames on certain
 * operating systems and special characters requiring special escaping
 * to manipulate at the command line. Replaces spaces and consecutive
 * dashes with a single dash. Trims period, dash and underscore from beginning
 * and end of filename. It is not guaranteed that this function will return a
 * filename that is allowed to be uploaded.
 *
 * @since 2.1.0
 *
 * @param string $filename The filename to be sanitized
 * @return string The sanitized filename
 */
function sanitize_file_name( $filename ) {
    $filename_raw = $filename;
    $special_chars = array("?", "[", "]", "/", "\\", "=", "<", ">", ":", ";", ",", "'", "\"", "&", "$", "#", "*", "(", ")", "|", "~", "`", "!", "{", "}", "%", "+", chr(0));
    /**
     * Filters the list of characters to remove from a filename.
     *
     * @since 2.8.0
     *
     * @param array  $special_chars Characters to remove.
     * @param string $filename_raw  Filename as it was passed into sanitize_file_name().
     */
    $special_chars = apply_filters( 'sanitize_file_name_chars', $special_chars, $filename_raw );
    $filename = preg_replace( "#\x{00a0}#siu", ' ', $filename );
    $filename = str_replace( $special_chars, '', $filename );
    $filename = str_replace( array( '%20', '+' ), '-', $filename );
    $filename = preg_replace( '/[\r\n\t -]+/', '-', $filename );
    $filename = trim( $filename, '.-_' );

    if ( false === strpos( $filename, '.' ) ) {
        $mime_types = wp_get_mime_types();
        $filetype = wp_check_filetype( 'test.' . $filename, $mime_types );
        if ( $filetype['ext'] === $filename ) {
            $filename = 'unnamed-file.' . $filetype['ext'];
        }
    }

    // Split the filename into a base and extension[s]
    $parts = explode('.', $filename);

    // Return if only one extension
    if ( count( $parts ) <= 2 ) {
        /**
         * Filters a sanitized filename string.
         *
         * @since 2.8.0
         *
         * @param string $filename     Sanitized filename.
         * @param string $filename_raw The filename prior to sanitization.
         */
        return apply_filters( 'sanitize_file_name', $filename, $filename_raw );
    }

    // Process multiple extensions
    $filename = array_shift($parts);
    $extension = array_pop($parts);
    $mimes = get_allowed_mime_types();

    /*
     * Loop over any intermediate extensions. Postfix them with a trailing underscore
     * if they are a 2 - 5 character long alpha string not in the extension whitelist.
     */
    foreach ( (array) $parts as $part) {
        $filename .= '.' . $part;

        if ( preg_match("/^[a-zA-Z]{2,5}\d?$/", $part) ) {
            $allowed = false;
            foreach ( $mimes as $ext_preg => $mime_match ) {
                $ext_preg = '!^(' . $ext_preg . ')$!i';
                if ( preg_match( $ext_preg, $part ) ) {
                    $allowed = true;
                    break;
                }
            }
            if ( !$allowed )
                $filename .= '_';
        }
    }
    $filename .= '.' . $extension;
    /** This filter is documented in wp-includes/formatting.php */
    return apply_filters('sanitize_file_name', $filename, $filename_raw);
}

/**
 * Sanitizes a username, stripping out unsafe characters.
 *
 * Removes tags, octets, entities, and if strict is enabled, will only keep
 * alphanumeric, _, space, ., -, @. After sanitizing, it passes the username,
 * raw username (the username in the parameter), and the value of $strict as
 * parameters for the {@see 'sanitize_user'} filter.
 *
 * @since 2.0.0
 *
 * @param string $username The username to be sanitized.
 * @param bool   $strict   If set limits $username to specific characters. Default false.
 * @return string The sanitized username, after passing through filters.
 */
function sanitize_user( $username, $strict = false ) {
    $raw_username = $username;
    $username = wp_strip_all_tags( $username );
    $username = remove_accents( $username );
    // Kill octets
    $username = preg_replace( '|%([a-fA-F0-9][a-fA-F0-9])|', '', $username );
    $username = preg_replace( '/&.+?;/', '', $username ); // Kill entities

    // If strict, reduce to ASCII for max portability.
    if ( $strict )
        $username = preg_replace( '|[^a-z0-9 _.\-@]|i', '', $username );

    $username = trim( $username );
    // Consolidate contiguous whitespace
    $username = preg_replace( '|\s+|', ' ', $username );

    /**
     * Filters a sanitized username string.
     *
     * @since 2.0.1
     *
     * @param string $username     Sanitized username.
     * @param string $raw_username The username prior to sanitization.
     * @param bool   $strict       Whether to limit the sanitization to specific characters. Default false.
     */
    return apply_filters( 'sanitize_user', $username, $raw_username, $strict );
}

/**
 * Sanitizes a string key.
 *
 * Keys are used as internal identifiers. Lowercase alphanumeric characters, dashes and underscores are allowed.
 *
 * @since 3.0.0
 *
 * @param string $key String key
 * @return string Sanitized key
 */
function sanitize_key( $key ) {
    $raw_key = $key;
    $key = strtolower( $key );
    $key = preg_replace( '/[^a-z0-9_\-]/', '', $key );

    /**
     * Filters a sanitized key string.
     *
     * @since 3.0.0
     *
     * @param string $key     Sanitized key.
     * @param string $raw_key The key prior to sanitization.
     */
    return apply_filters( 'sanitize_key', $key, $raw_key );
}

/**
 * Sanitizes a title, or returns a fallback title.
 *
 * Specifically, HTML and PHP tags are stripped. Further actions can be added
 * via the plugin API. If $title is empty and $fallback_title is set, the latter
 * will be used.
 *
 * @since 1.0.0
 *
 * @param string $title          The string to be sanitized.
 * @param string $fallback_title Optional. A title to use if $title is empty.
 * @param string $context        Optional. The operation for which the string is sanitized
 * @return string The sanitized string.
 */
function sanitize_title( $title, $fallback_title = '', $context = 'save' ) {
    $raw_title = $title;

    if ( 'save' == $context )
        $title = remove_accents($title);

    /**
     * Filters a sanitized title string.
     *
     * @since 1.2.0
     *
     * @param string $title     Sanitized title.
     * @param string $raw_title The title prior to sanitization.
     * @param string $context   The context for which the title is being sanitized.
     */
    $title = apply_filters( 'sanitize_title', $title, $raw_title, $context );

    if ( '' === $title || false === $title )
        $title = $fallback_title;

    return $title;
}

/**
 * Sanitizes a title with the 'query' context.
 *
 * Used for querying the database for a value from URL.
 *
 * @since 3.1.0
 *
 * @param string $title The string to be sanitized.
 * @return string The sanitized string.
 */
function sanitize_title_for_query( $title ) {
    return sanitize_title( $title, '', 'query' );
}

/**
 * Sanitizes a title, replacing whitespace and a few other characters with dashes.
 *
 * Limits the output to alphanumeric characters, underscore (_) and dash (-).
 * Whitespace becomes a dash.
 *
 * @since 1.2.0
 *
 * @param string $title     The title to be sanitized.
 * @param string $raw_title Optional. Not used.
 * @param string $context   Optional. The operation for which the string is sanitized.
 * @return string The sanitized title.
 */
function sanitize_title_with_dashes( $title, $raw_title = '', $context = 'display' ) {
    $title = strip_tags($title);
    // Preserve escaped octets.
    $title = preg_replace('|%([a-fA-F0-9][a-fA-F0-9])|', '---$1---', $title);
    // Remove percent signs that are not part of an octet.
    $title = str_replace('%', '', $title);
    // Restore octets.
    $title = preg_replace('|---([a-fA-F0-9][a-fA-F0-9])---|', '%$1', $title);

    if (seems_utf8($title)) {
        if (function_exists('mb_strtolower')) {
            $title = mb_strtolower($title, 'UTF-8');
        }
        $title = utf8_uri_encode($title, 200);
    }

    $title = strtolower($title);

    if ( 'save' == $context ) {
        // Convert nbsp, ndash and mdash to hyphens
        $title = str_replace( array( '%c2%a0', '%e2%80%93', '%e2%80%94' ), '-', $title );
        // Convert nbsp, ndash and mdash HTML entities to hyphens
        $title = str_replace( array( ' ', ' ', '–', '–', '—', '—' ), '-', $title );
        // Convert forward slash to hyphen
        $title = str_replace( '/', '-', $title );

        // Strip these characters entirely
        $title = str_replace( array(
            // iexcl and iquest
            '%c2%a1', '%c2%bf',
            // angle quotes
            '%c2%ab', '%c2%bb', '%e2%80%b9', '%e2%80%ba',
            // curly quotes
            '%e2%80%98', '%e2%80%99', '%e2%80%9c', '%e2%80%9d',
            '%e2%80%9a', '%e2%80%9b', '%e2%80%9e', '%e2%80%9f',
            // copy, reg, deg, hellip and trade
            '%c2%a9', '%c2%ae', '%c2%b0', '%e2%80%a6', '%e2%84%a2',
            // acute accents
            '%c2%b4', '%cb%8a', '%cc%81', '%cd%81',
            // grave accent, macron, caron
            '%cc%80', '%cc%84', '%cc%8c',
        ), '', $title );

        // Convert times to x
        $title = str_replace( '%c3%97', 'x', $title );
    }

    $title = preg_replace('/&.+?;/', '', $title); // kill entities
    $title = str_replace('.', '-', $title);

    $title = preg_replace('/[^%a-z0-9 _-]/', '', $title);
    $title = preg_replace('/\s+/', '-', $title);
    $title = preg_replace('|-+|', '-', $title);
    $title = trim($title, '-');

    return $title;
}

/**
 * Ensures a string is a valid SQL 'order by' clause.
 *
 * Accepts one or more columns, with or without a sort order (ASC / DESC).
 * e.g. 'column_1', 'column_1, column_2', 'column_1 ASC, column_2 DESC' etc.
 *
 * Also accepts 'RAND()'.
 *
 * @since 2.5.1
 *
 * @param string $orderby Order by clause to be validated.
 * @return string|false Returns $orderby if valid, false otherwise.
 */
function sanitize_sql_orderby( $orderby ) {
    if ( preg_match( '/^\s*(([a-z0-9_]+|`[a-z0-9_]+`)(\s+(ASC|DESC))?\s*(,\s*(?=[a-z0-9_`])|$))+$/i', $orderby ) || preg_match( '/^\s*RAND\(\s*\)\s*$/i', $orderby ) ) {
        return $orderby;
    }
    return false;
}

/**
 * Sanitizes an HTML classname to ensure it only contains valid characters.
 *
 * Strips the string down to A-Z,a-z,0-9,_,-. If this results in an empty
 * string then it will return the alternative value supplied.
 *
 * @todo Expand to support the full range of CDATA that a class attribute can contain.
 *
 * @since 2.8.0
 *
 * @param string $class    The classname to be sanitized
 * @param string $fallback Optional. The value to return if the sanitization ends up as an empty string.
 *     Defaults to an empty string.
 * @return string The sanitized value
 */
function sanitize_html_class( $class, $fallback = '' ) {
    //Strip out any % encoded octets
    $sanitized = preg_replace( '|%[a-fA-F0-9][a-fA-F0-9]|', '', $class );

    //Limit to A-Z,a-z,0-9,_,-
    $sanitized = preg_replace( '/[^A-Za-z0-9_-]/', '', $sanitized );

    if ( '' == $sanitized && $fallback ) {
        return sanitize_html_class( $fallback );
    }
    /**
     * Filters a sanitized HTML class string.
     *
     * @since 2.8.0
     *
     * @param string $sanitized The sanitized HTML class.
     * @param string $class     HTML class before sanitization.
     * @param string $fallback  The fallback string.
     */
    return apply_filters( 'sanitize_html_class', $sanitized, $class, $fallback );
}

/**
 * Converts lone & characters into `&` (a.k.a. `&`)
 *
 * @since 0.71
 *
 * @param string $content    String of characters to be converted.
 * @param string $deprecated Not used.
 * @return string Converted string.
 */
function convert_chars( $content, $deprecated = '' ) {
    if ( ! empty( $deprecated ) ) {
        _deprecated_argument( __FUNCTION__, '0.71' );
    }

    if ( strpos( $content, '&' ) !== false ) {
        $content = preg_replace( '/&([^#])(?![a-z1-4]{1,8};)/i', '&$1', $content );
    }

    return $content;
}

/**
 * Converts invalid Unicode references range to valid range.
 *
 * @since 4.3.0
 *
 * @param string $content String with entities that need converting.
 * @return string Converted string.
 */
function convert_invalid_entities( $content ) {
    $wp_htmltranswinuni = array(
        '€' => '€', // the Euro sign
        '' => '',
        '‚' => '‚', // these are Windows CP1252 specific characters
        'ƒ' => 'ƒ',  // they would look weird on non-Windows browsers
        '„' => '„',
        '…' => '…',
        '†' => '†',
        '‡' => '‡',
        'ˆ' => 'ˆ',
        '‰' => '‰',
        'Š' => 'Š',
        '‹' => '‹',
        'Œ' => 'Œ',
        '' => '',
        'Ž' => 'Ž',
        '' => '',
        '' => '',
        '‘' => '‘',
        '’' => '’',
        '“' => '“',
        '”' => '”',
        '•' => '•',
        '–' => '–',
        '—' => '—',
        '˜' => '˜',
        '™' => '™',
        'š' => 'š',
        '›' => '›',
        'œ' => 'œ',
        '' => '',
        'ž' => 'ž',
        'Ÿ' => 'Ÿ'
    );

    if ( strpos( $content, '
' ) !== false ) {
        $content = strtr( $content, $wp_htmltranswinuni );
    }

    return $content;
}

/**
 * Balances tags if forced to, or if the 'use_balanceTags' option is set to true.
 *
 * @since 0.71
 *
 * @param string $text  Text to be balanced
 * @param bool   $force If true, forces balancing, ignoring the value of the option. Default false.
 * @return string Balanced text
 */
function balanceTags( $text, $force = false ) {
    if ( $force || get_option('use_balanceTags') == 1 ) {
        return force_balance_tags( $text );
    } else {
        return $text;
    }
}

/**
 * Balances tags of string using a modified stack.
 *
 * @since 2.0.4
 *
 * @author Leonard Lin <[e-mail]>
 * @license GPL
 * @copyright November 4, 2001
 * @version 1.1
 * @todo Make better - change loop condition to $text in 1.2
 * @internal Modified by Scott Reilly (coffee2code) 02 Aug 2004
 *        1.1  Fixed handling of append/stack pop order of end text
 *             Added Cleaning Hooks
 *        1.0  First Version
 *
 * @param string $text Text to be balanced.
 * @return string Balanced text.
 */
function force_balance_tags( $text ) {
    $tagstack = array();
    $stacksize = 0;
    $tagqueue = '';
    $newtext = '';
    // Known single-entity/self-closing tags
    $single_tags = array( 'area', 'base', 'basefont', 'br', 'col', 'command', 'embed', 'frame', 'hr', 'img', 'input', 'isindex', 'link', 'meta', 'param', 'source' );
    // Tags that can be immediately nested within themselves
    $nestable_tags = array( 'blockquote', 'div', 'object', 'q', 'span' );

    // WP bug fix for comments - in case you REALLY meant to type '< !--'
    $text = str_replace('< !--', '<    !--', $text);
    // WP bug fix for LOVE <3 (and other situations with '<' before a number)
    $text = preg_replace('#<([0-9]{1})#', '<$1', $text);

    while ( preg_match("/<(\/?[\w:]*)\s*([^>]*)>/", $text, $regex) ) {
        $newtext .= $tagqueue;

        $i = strpos($text, $regex[0]);
        $l = strlen($regex[0]);

        // clear the shifter
        $tagqueue = '';
        // Pop or Push
        if ( isset($regex[1][0]) && '/' == $regex[1][0] ) { // End Tag
            $tag = strtolower(substr($regex[1],1));
            // if too many closing tags
            if ( $stacksize <= 0 ) {
                $tag = '';
                // or close to be safe $tag = '/' . $tag;
            }
            // if stacktop value = tag close value then pop
            elseif ( $tagstack[$stacksize - 1] == $tag ) { // found closing tag
                $tag = '</' . $tag . '>'; // Close Tag
                // Pop
                array_pop( $tagstack );
                $stacksize--;
            } else { // closing tag not at top, search for it
                for ( $j = $stacksize-1; $j >= 0; $j-- ) {
                    if ( $tagstack[$j] == $tag ) {
                    // add tag to tagqueue
                        for ( $k = $stacksize-1; $k >= $j; $k--) {
                            $tagqueue .= '</' . array_pop( $tagstack ) . '>';
                            $stacksize--;
                        }
                        break;
                    }
                }
                $tag = '';
            }
        } else { // Begin Tag
            $tag = strtolower($regex[1]);

            // Tag Cleaning

            // If it's an empty tag "< >", do nothing
            if ( '' == $tag ) {
                // do nothing
            }
            // ElseIf it presents itself as a self-closing tag...
            elseif ( substr( $regex[2], -1 ) == '/' ) {
                // ...but it isn't a known single-entity self-closing tag, then don't let it be treated as such and
                // immediately close it with a closing tag (the tag will encapsulate no text as a result)
                if ( ! in_array( $tag, $single_tags ) )
                    $regex[2] = trim( substr( $regex[2], 0, -1 ) ) . "></$tag";
            }
            // ElseIf it's a known single-entity tag but it doesn't close itself, do so
            elseif ( in_array($tag, $single_tags) ) {
                $regex[2] .= '/';
            }
            // Else it's not a single-entity tag
            else {
                // If the top of the stack is the same as the tag we want to push, close previous tag
                if ( $stacksize > 0 && !in_array($tag, $nestable_tags) && $tagstack[$stacksize - 1] == $tag ) {
                    $tagqueue = '</' . array_pop( $tagstack ) . '>';
                    $stacksize--;
                }
                $stacksize = array_push( $tagstack, $tag );
            }

            // Attributes
            $attributes = $regex[2];
            if ( ! empty( $attributes ) && $attributes[0] != '>' )
                $attributes = ' ' . $attributes;

            $tag = '<' . $tag . $attributes . '>';
            //If already queuing a close tag, then put this tag on, too
            if ( !empty($tagqueue) ) {
                $tagqueue .= $tag;
                $tag = '';
            }
        }
        $newtext .= substr($text, 0, $i) . $tag;
        $text = substr($text, $i + $l);
    }

    // Clear Tag Queue
    $newtext .= $tagqueue;

    // Add Remaining text
    $newtext .= $text;

    // Empty Stack
    while( $x = array_pop($tagstack) )
        $newtext .= '</' . $x . '>'; // Add remaining tags to close

    // WP fix for the bug with HTML comments
    $newtext = str_replace("< !--","<!--",$newtext);
    $newtext = str_replace("<    !--","< !--",$newtext);

    return $newtext;
}

/**
 * Acts on text which is about to be edited.
 *
 * The $content is run through esc_textarea(), which uses htmlspecialchars()
 * to convert special characters to HTML entities. If `$richedit` is set to true,
 * it is simply a holder for the {@see 'format_to_edit'} filter.
 *
 * @since 0.71
 * @since 4.4.0 The `$richedit` parameter was renamed to `$rich_text` for clarity.
 *
 * @param string $content   The text about to be edited.
 * @param bool   $rich_text Optional. Whether `$content` should be considered rich text,
 *                          in which case it would not be passed through esc_textarea().
 *                          Default false.
 * @return string The text after the filter (and possibly htmlspecialchars()) has been run.
 */
function format_to_edit( $content, $rich_text = false ) {
    /**
     * Filters the text to be formatted for editing.
     *
     * @since 1.2.0
     *
     * @param string $content The text, prior to formatting for editing.
     */
    $content = apply_filters( 'format_to_edit', $content );
    if ( ! $rich_text )
        $content = esc_textarea( $content );
    return $content;
}

/**
 * Add leading zeros when necessary.
 *
 * If you set the threshold to '4' and the number is '10', then you will get
 * back '0010'. If you set the threshold to '4' and the number is '5000', then you
 * will get back '5000'.
 *
 * Uses sprintf to append the amount of zeros based on the $threshold parameter
 * and the size of the number. If the number is large enough, then no zeros will
 * be appended.
 *
 * @since 0.71
 *
 * @param int $number     Number to append zeros to if not greater than threshold.
 * @param int $threshold  Digit places number needs to be to not have zeros added.
 * @return string Adds leading zeros to number if needed.
 */
function zeroise( $number, $threshold ) {
    return sprintf( '%0' . $threshold . 's', $number );
}

/**
 * Adds backslashes before letters and before a number at the start of a string.
 *
 * @since 0.71
 *
 * @param string $string Value to which backslashes will be added.
 * @return string String with backslashes inserted.
 */
function backslashit( $string ) {
    if ( isset( $string[0] ) && $string[0] >= '0' && $string[0] <= '9' )
        $string = '\\\\' . $string;
    return addcslashes( $string, 'A..Za..z' );
}

/**
 * Appends a trailing slash.
 *
 * Will remove trailing forward and backslashes if it exists already before adding
 * a trailing forward slash. This prevents double slashing a string or path.
 *
 * The primary use of this is for paths and thus should be used for paths. It is
 * not restricted to paths and offers no specific path support.
 *
 * @since 1.2.0
 *
 * @param string $string What to add the trailing slash to.
 * @return string String with trailing slash added.
 */
function trailingslashit( $string ) {
    return untrailingslashit( $string ) . '/';
}

/**
 * Removes trailing forward slashes and backslashes if they exist.
 *
 * The primary use of this is for paths and thus should be used for paths. It is
 * not restricted to paths and offers no specific path support.
 *
 * @since 2.2.0
 *
 * @param string $string What to remove the trailing slashes from.
 * @return string String without the trailing slashes.
 */
function untrailingslashit( $string ) {
    return rtrim( $string, '/\\' );
}

/**
 * Adds slashes to escape strings.
 *
 * Slashes will first be removed if magic_quotes_gpc is set, see {@link
 * https://secure.php.net/magic_quotes} for more details.
 *
 * @since 0.71
 *
 * @param string $gpc The string returned from HTTP request data.
 * @return string Returns a string escaped with slashes.
 */
function addslashes_gpc($gpc) {
    if ( get_magic_quotes_gpc() )
        $gpc = stripslashes($gpc);

    return wp_slash($gpc);
}

/**
 * Navigates through an array, object, or scalar, and removes slashes from the values.
 *
 * @since 2.0.0
 *
 * @param mixed $value The value to be stripped.
 * @return mixed Stripped value.
 */
function stripslashes_deep( $value ) {
    return map_deep( $value, 'stripslashes_from_strings_only' );
}

/**
 * Callback function for `stripslashes_deep()` which strips slashes from strings.
 *
 * @since 4.4.0
 *
 * @param mixed $value The array or string to be stripped.
 * @return mixed $value The stripped value.
 */
function stripslashes_from_strings_only( $value ) {
    return is_string( $value ) ? stripslashes( $value ) : $value;
}

/**
 * Navigates through an array, object, or scalar, and encodes the values to be used in a URL.
 *
 * @since 2.2.0
 *
 * @param mixed $value The array or string to be encoded.
 * @return mixed $value The encoded value.
 */
function urlencode_deep( $value ) {
    return map_deep( $value, 'urlencode' );
}

/**
 * Navigates through an array, object, or scalar, and raw-encodes the values to be used in a URL.
 *
 * @since 3.4.0
 *
 * @param mixed $value The array or string to be encoded.
 * @return mixed $value The encoded value.
 */
function rawurlencode_deep( $value ) {
    return map_deep( $value, 'rawurlencode' );
}

/**
 * Navigates through an array, object, or scalar, and decodes URL-encoded values
 *
 * @since 4.4.0
 *
 * @param mixed $value The array or string to be decoded.
 * @return mixed $value The decoded value.
 */
function urldecode_deep( $value ) {
    return map_deep( $value, 'urldecode' );
}

/**
 * Converts email addresses characters to HTML entities to block spam bots.
 *
 * @since 0.71
 *
 * @param string $email_address Email address.
 * @param int    $hex_encoding  Optional. Set to 1 to enable hex encoding.
 * @return string Converted email address.
 */
function antispambot( $email_address, $hex_encoding = 0 ) {
    $email_no_spam_address = '';
    for ( $i = 0, $len = strlen( $email_address ); $i < $len; $i++ ) {
        $j = rand( 0, 1 + $hex_encoding );
        if ( $j == 0 ) {
            $email_no_spam_address .= '&#' . ord( $email_address[$i] ) . ';';
        } elseif ( $j == 1 ) {
            $email_no_spam_address .= $email_address[$i];
        } elseif ( $j == 2 ) {
            $email_no_spam_address .= '%' . zeroise( dechex( ord( $email_address[$i] ) ), 2 );
        }
    }

    return str_replace( '@', '@', $email_no_spam_address );
}

/**
 * Callback to convert URI match to HTML A element.
 *
 * This function was backported from 2.5.0 to 2.3.2. Regex callback for make_clickable().
 *
 * @since 2.3.2
 * @access private
 *
 * @param array $matches Single Regex Match.
 * @return string HTML A element with URI address.
 */
function _make_url_clickable_cb( $matches ) {
    $url = $matches[2];

    if ( ')' == $matches[3] && strpos( $url, '(' ) ) {
        // If the trailing character is a closing parethesis, and the URL has an opening parenthesis in it, add the closing parenthesis to the URL.
        // Then we can let the parenthesis balancer do its thing below.
        $url .= $matches[3];
        $suffix = '';
    } else {
        $suffix = $matches[3];
    }

    // Include parentheses in the URL only if paired
    while ( substr_count( $url, '(' ) < substr_count( $url, ')' ) ) {
        $suffix = strrchr( $url, ')' ) . $suffix;
        $url = substr( $url, 0, strrpos( $url, ')' ) );
    }

    $url = esc_url($url);
    if ( empty($url) )
        return $matches[0];

    return $matches[1] . "<a href=\"$url\" rel=\"nofollow\">$url</a>" . $suffix;
}

/**
 * Callback to convert URL match to HTML A element.
 *
 * This function was backported from 2.5.0 to 2.3.2. Regex callback for make_clickable().
 *
 * @since 2.3.2
 * @access private
 *
 * @param array $matches Single Regex Match.
 * @return string HTML A element with URL address.
 */
function _make_web_ftp_clickable_cb( $matches ) {
    $ret = '';
    $dest = $matches[2];
    $dest = 'http://' . $dest;

    // removed trailing [.,;:)] from URL
    if ( in_array( substr($dest, -1), array('.', ',', ';', ':', ')') ) === true ) {
        $ret = substr($dest, -1);
        $dest = substr($dest, 0, strlen($dest)-1);
    }

    $dest = esc_url($dest);
    if ( empty($dest) )
        return $matches[0];

    return $matches[1] . "<a href=\"$dest\" rel=\"nofollow\">$dest</a>$ret";
}

/**
 * Callback to convert email address match to HTML A element.
 *
 * This function was backported from 2.5.0 to 2.3.2. Regex callback for make_clickable().
 *
 * @since 2.3.2
 * @access private
 *
 * @param array $matches Single Regex Match.
 * @return string HTML A element with email address.
 */
function _make_email_clickable_cb( $matches ) {
    $email = $matches[2] . '@' . $matches[3];
    return $matches[1] . "<a href=\"mailto:$email\">$email</a>";
}

/**
 * Convert plaintext URI to HTML links.
 *
 * Converts URI, www and ftp, and email addresses. Finishes by fixing links
 * within links.
 *
 * @since 0.71
 *
 * @param string $text Content to convert URIs.
 * @return string Content with converted URIs.
 */
function make_clickable( $text ) {
    $r = '';
    $textarr = preg_split( '/(<[^<>]+>)/', $text, -1, PREG_SPLIT_DELIM_CAPTURE ); // split out HTML tags
    $nested_code_pre = 0; // Keep track of how many levels link is nested inside <pre> or <code>
    foreach ( $textarr as $piece ) {

        if ( preg_match( '|^<code[\s>]|i', $piece ) || preg_match( '|^<pre[\s>]|i', $piece ) || preg_match( '|^<script[\s>]|i', $piece ) || preg_match( '|^<style[\s>]|i', $piece ) )
            $nested_code_pre++;
        elseif ( $nested_code_pre && ( '</code>' === strtolower( $piece ) || '</pre>' === strtolower( $piece ) || '</script>' === strtolower( $piece ) || '</style>' === strtolower( $piece ) ) )
            $nested_code_pre--;

        if ( $nested_code_pre || empty( $piece ) || ( $piece[0] === '<' && ! preg_match( '|^<\s*[\w]{1,20}+://|', $piece ) ) ) {
            $r .= $piece;
            continue;
        }

        // Long strings might contain expensive edge cases ...
        if ( 10000 < strlen( $piece ) ) {
            // ... break it up
            foreach ( _split_str_by_whitespace( $piece, 2100 ) as $chunk ) { // 2100: Extra room for scheme and leading and trailing paretheses
                if ( 2101 < strlen( $chunk ) ) {
                    $r .= $chunk; // Too big, no whitespace: bail.
                } else {
                    $r .= make_clickable( $chunk );
                }
            }
        } else {
            $ret = " $piece "; // Pad with whitespace to simplify the regexes

            $url_clickable = '~
                ([\\s(<.,;:!?])                                        # 1: Leading whitespace, or punctuation
                (                                                      # 2: URL
                    [\\w]{1,20}+://                                # Scheme and hier-part prefix
                    (?=\S{1,2000}\s)                               # Limit to URLs less than about 2000 characters long
                    [\\w\\x80-\\xff#%\\~/@\\[\\]*(+=&$-]*+         # Non-punctuation URL character
                    (?:                                            # Unroll the Loop: Only allow puctuation URL character if followed by a non-punctuation URL character
                        [\'.,;:!?)]                            # Punctuation URL character
                        [\\w\\x80-\\xff#%\\~/@\\[\\]*(+=&$-]++ # Non-punctuation URL character
                    )*
                )
                (\)?)                                                  # 3: Trailing closing parenthesis (for parethesis balancing post processing)
            ~xS'; // The regex is a non-anchored pattern and does not have a single fixed starting character.
                  // Tell PCRE to spend more time optimizing since, when used on a page load, it will probably be used several times.

            $ret = preg_replace_callback( $url_clickable, '_make_url_clickable_cb', $ret );

            $ret = preg_replace_callback( '#([\s>])((www|ftp)\.[\w\\x80-\\xff\#$%&~/.\-;:=,?@\[\]+]+)#is', '_make_web_ftp_clickable_cb', $ret );
            $ret = preg_replace_callback( '#([\s>])([.0-9a-z_+-]+)@(([0-9a-z-]+\.)+[0-9a-z]{2,})#i', '_make_email_clickable_cb', $ret );

            $ret = substr( $ret, 1, -1 ); // Remove our whitespace padding.
            $r .= $ret;
        }
    }

    // Cleanup of accidental links within links
    return preg_replace( '#(<a([ \r\n\t]+[^>]+?>|>))<a [^>]+?>([^>]+?)</a></a>#i', "$1$3</a>", $r );
}

/**
 * Breaks a string into chunks by splitting at whitespace characters.
 * The length of each returned chunk is as close to the specified length goal as possible,
 * with the caveat that each chunk includes its trailing delimiter.
 * Chunks longer than the goal are guaranteed to not have any inner whitespace.
 *
 * Joining the returned chunks with empty delimiters reconstructs the input string losslessly.
 *
 * Input string must have no null characters (or eventual transformations on output chunks must not care about null characters)
 *
 *     _split_str_by_whitespace( "1234 67890 1234 67890a cd 1234   890 123456789 1234567890a    45678   1 3 5 7 90 ", 10 ) ==
 *     array (
 *         0 => '1234 67890 ',  // 11 characters: Perfect split
 *         1 => '1234 ',        //  5 characters: '1234 67890a' was too long
 *         2 => '67890a cd ',   // 10 characters: '67890a cd 1234' was too long
 *         3 => '1234   890 ',  // 11 characters: Perfect split
 *         4 => '123456789 ',   // 10 characters: '123456789 1234567890a' was too long
 *         5 => '1234567890a ', // 12 characters: Too long, but no inner whitespace on which to split
 *         6 => '   45678   ',  // 11 characters: Perfect split
 *         7 => '1 3 5 7 90 ',  // 11 characters: End of $string
 *     );
 *
 * @since 3.4.0
 * @access private
 *
 * @param string $string The string to split.
 * @param int    $goal   The desired chunk length.
 * @return array Numeric array of chunks.
 */
function _split_str_by_whitespace( $string, $goal ) {
    $chunks = array();

    $string_nullspace = strtr( $string, "\r\n\t\v\f ", "\000\000\000\000\000\000" );

    while ( $goal < strlen( $string_nullspace ) ) {
        $pos = strrpos( substr( $string_nullspace, 0, $goal + 1 ), "\000" );

        if ( false === $pos ) {
            $pos = strpos( $string_nullspace, "\000", $goal + 1 );
            if ( false === $pos ) {
                break;
            }
        }

        $chunks[] = substr( $string, 0, $pos + 1 );
        $string = substr( $string, $pos + 1 );
        $string_nullspace = substr( $string_nullspace, $pos + 1 );
    }

    if ( $string ) {
        $chunks[] = $string;
    }

    return $chunks;
}

/**
 * Adds rel nofollow string to all HTML A elements in content.
 *
 * @since 1.5.0
 *
 * @param string $text Content that may contain HTML A elements.
 * @return string Converted content.
 */
function wp_rel_nofollow( $text ) {
    // This is a pre save filter, so text is already escaped.
    $text = stripslashes($text);
    $text = preg_replace_callback('|<a (.+?)>|i', 'wp_rel_nofollow_callback', $text);
    return wp_slash( $text );
}

/**
 * Callback to add rel=nofollow string to HTML A element.
 *
 * Will remove already existing rel="nofollow" and rel='nofollow' from the
 * string to prevent from invalidating (X)HTML.
 *
 * @since 2.3.0
 *
 * @param array $matches Single Match
 * @return string HTML A Element with rel nofollow.
 */
function wp_rel_nofollow_callback( $matches ) {
    $text = $matches[1];
    $atts = shortcode_parse_atts( $matches[1] );
    $rel  = 'nofollow';

    if ( preg_match( '%href=["\'](' . preg_quote( set_url_scheme( home_url(), 'http' ) ) . ')%i', $text ) ||
         preg_match( '%href=["\'](' . preg_quote( set_url_scheme( home_url(), 'https' ) ) . ')%i', $text )
    ) {
        return "<a $text>";
    }

    if ( ! empty( $atts['rel'] ) ) {
        $parts = array_map( 'trim', explode( ' ', $atts['rel'] ) );
        if ( false === array_search( 'nofollow', $parts ) ) {
            $parts[] = 'nofollow';
        }
        $rel = implode( ' ', $parts );
        unset( $atts['rel'] );

        $html = '';
        foreach ( $atts as $name => $value ) {
            $html .= "{$name}=\"$value\" ";
        }
        $text = trim( $html );
    }
    return "<a $text rel=\"$rel\">";
}

/**
 * Convert one smiley code to the icon graphic file equivalent.
 *
 * Callback handler for convert_smilies().
 *
 * Looks up one smiley code in the $wpsmiliestrans global array and returns an
 * `<img>` string for that smiley.
 *
 * @since 2.8.0
 *
 * @global array $wpsmiliestrans
 *
 * @param array $matches Single match. Smiley code to convert to image.
 * @return string Image string for smiley.
 */
function translate_smiley( $matches ) {
    global $wpsmiliestrans;

    if ( count( $matches ) == 0 )
        return '';

    $smiley = trim( reset( $matches ) );
    $img = $wpsmiliestrans[ $smiley ];

    $matches = array();
    $ext = preg_match( '/\.([^.]+)$/', $img, $matches ) ? strtolower( $matches[1] ) : false;
    $image_exts = array( 'jpg', 'jpeg', 'jpe', 'gif', 'png' );

    // Don't convert smilies that aren't images - they're probably emoji.
    if ( ! in_array( $ext, $image_exts ) ) {
        return $img;
    }

    /**
     * Filters the Smiley image URL before it's used in the image element.
     *
     * @since 2.9.0
     *
     * @param string $smiley_url URL for the smiley image.
     * @param string $img        Filename for the smiley image.
     * @param string $site_url   Site URL, as returned by site_url().
     */
    $src_url = apply_filters( 'smilies_src', includes_url( "images/smilies/$img" ), $img, site_url() );

    return sprintf( '<img src="%s" alt="%s" class="wp-smiley" style="height: 1em; max-height: 1em;" />', esc_url( $src_url ), esc_attr( $smiley ) );
}

/**
 * Convert text equivalent of smilies to images.
 *
 * Will only convert smilies if the option 'use_smilies' is true and the global
 * used in the function isn't empty.
 *
 * @since 0.71
 *
 * @global string|array $wp_smiliessearch
 *
 * @param string $text Content to convert smilies from text.
 * @return string Converted content with text smilies replaced with images.
 */
function convert_smilies( $text ) {
    global $wp_smiliessearch;
    $output = '';
    if ( get_option( 'use_smilies' ) && ! empty( $wp_smiliessearch ) ) {
        // HTML loop taken from texturize function, could possible be consolidated
        $textarr = preg_split( '/(<.*>)/U', $text, -1, PREG_SPLIT_DELIM_CAPTURE ); // capture the tags as well as in between
        $stop = count( $textarr );// loop stuff

        // Ignore proessing of specific tags
        $tags_to_ignore = 'code|pre|style|script|textarea';
        $ignore_block_element = '';

        for ( $i = 0; $i < $stop; $i++ ) {
            $content = $textarr[$i];

            // If we're in an ignore block, wait until we find its closing tag
            if ( '' == $ignore_block_element && preg_match( '/^<(' . $tags_to_ignore . ')>/', $content, $matches ) )  {
                $ignore_block_element = $matches[1];
            }

            // If it's not a tag and not in ignore block
            if ( '' ==  $ignore_block_element && strlen( $content ) > 0 && '<' != $content[0] ) {
                $content = preg_replace_callback( $wp_smiliessearch, 'translate_smiley', $content );
            }

            // did we exit ignore block
            if ( '' != $ignore_block_element && '</' . $ignore_block_element . '>' == $content )  {
                $ignore_block_element = '';
            }

            $output .= $content;
        }
    } else {
        // return default text.
        $output = $text;
    }
    return $output;
}

/**
 * Verifies that an email is valid.
 *
 * Does not grok i18n domains. Not RFC compliant.
 *
 * @since 0.71
 *
 * @param string $email      Email address to verify.
 * @param bool   $deprecated Deprecated.
 * @return string|bool Either false or the valid email address.
 */
function is_email( $email, $deprecated = false ) {
    if ( ! empty( $deprecated ) )
        _deprecated_argument( __FUNCTION__, '3.0.0' );

    // Test for the minimum length the email can be
    if ( strlen( $email ) < 6 ) {
        /**
         * Filters whether an email address is valid.
         *
         * This filter is evaluated under several different contexts, such as 'email_too_short',
         * 'email_no_at', 'local_invalid_chars', 'domain_period_sequence', 'domain_period_limits',
         * 'domain_no_periods', 'sub_hyphen_limits', 'sub_invalid_chars', or no specific context.
         *
         * @since 2.8.0
         *
         * @param bool   $is_email Whether the email address has passed the is_email() checks. Default false.
         * @param string $email    The email address being checked.
         * @param string $context  Context under which the email was tested.
         */
        return apply_filters( 'is_email', false, $email, 'email_too_short' );
    }

    // Test for an @ character after the first position
    if ( strpos( $email, '@', 1 ) === false ) {
        /** This filter is documented in wp-includes/formatting.php */
        return apply_filters( 'is_email', false, $email, 'email_no_at' );
    }

    // Split out the local and domain parts
    list( $local, $domain ) = explode( '@', $email, 2 );

    // LOCAL PART
    // Test for invalid characters
    if ( !preg_match( '/^[a-zA-Z0-9!#$%&\'*+\/=?^_`{|}~\.-]+$/', $local ) ) {
        /** This filter is documented in wp-includes/formatting.php */
        return apply_filters( 'is_email', false, $email, 'local_invalid_chars' );
    }

    // DOMAIN PART
    // Test for sequences of periods
    if ( preg_match( '/\.{2,}/', $domain ) ) {
        /** This filter is documented in wp-includes/formatting.php */
        return apply_filters( 'is_email', false, $email, 'domain_period_sequence' );
    }

    // Test for leading and trailing periods and whitespace
    if ( trim( $domain, " \t\n\r\0\x0B." ) !== $domain ) {
        /** This filter is documented in wp-includes/formatting.php */
        return apply_filters( 'is_email', false, $email, 'domain_period_limits' );
    }

    // Split the domain into subs
    $subs = explode( '.', $domain );

    // Assume the domain will have at least two subs
    if ( 2 > count( $subs ) ) {
        /** This filter is documented in wp-includes/formatting.php */
        return apply_filters( 'is_email', false, $email, 'domain_no_periods' );
    }

    // Loop through each sub
    foreach ( $subs as $sub ) {
        // Test for leading and trailing hyphens and whitespace
        if ( trim( $sub, " \t\n\r\0\x0B-" ) !== $sub ) {
            /** This filter is documented in wp-includes/formatting.php */
            return apply_filters( 'is_email', false, $email, 'sub_hyphen_limits' );
        }

        // Test for invalid characters
        if ( !preg_match('/^[a-z0-9-]+$/i', $sub ) ) {
            /** This filter is documented in wp-includes/formatting.php */
            return apply_filters( 'is_email', false, $email, 'sub_invalid_chars' );
        }
    }

    // Congratulations your email made it!
    /** This filter is documented in wp-includes/formatting.php */
    return apply_filters( 'is_email', $email, $email, null );
}

/**
 * Convert to ASCII from email subjects.
 *
 * @since 1.2.0
 *
 * @param string $string Subject line
 * @return string Converted string to ASCII
 */
function wp_iso_descrambler( $string ) {
    /* this may only work with iso-8859-1, I'm afraid */
    if (!preg_match('#\=\?(.+)\?Q\?(.+)\?\=#i', $string, $matches)) {
        return $string;
    } else {
        $subject = str_replace('_', ' ', $matches[2]);
        return preg_replace_callback( '#\=([0-9a-f]{2})#i', '_wp_iso_convert', $subject );
    }
}

/**
 * Helper function to convert hex encoded chars to ASCII
 *
 * @since 3.1.0
 * @access private
 *
 * @param array $match The preg_replace_callback matches array
 * @return string Converted chars
 */
function _wp_iso_convert( $match ) {
    return chr( hexdec( strtolower( $match[1] ) ) );
}

/**
 * Returns a date in the GMT equivalent.
 *
 * Requires and returns a date in the Y-m-d H:i:s format. If there is a
 * timezone_string available, the date is assumed to be in that timezone,
 * otherwise it simply subtracts the value of the 'gmt_offset' option. Return
 * format can be overridden using the $format parameter.
 *
 * @since 1.2.0
 *
 * @param string $string The date to be converted.
 * @param string $format The format string for the returned date (default is Y-m-d H:i:s)
 * @return string GMT version of the date provided.
 */
function get_gmt_from_date( $string, $format = 'Y-m-d H:i:s' ) {
    $tz = get_option( 'timezone_string' );
    if ( $tz ) {
        $datetime = date_create( $string, new DateTimeZone( $tz ) );
        if ( ! $datetime ) {
            return gmdate( $format, 0 );
        }
        $datetime->setTimezone( new DateTimeZone( 'UTC' ) );
        $string_gmt = $datetime->format( $format );
    } else {
        if ( ! preg_match( '#([0-9]{1,4})-([0-9]{1,2})-([0-9]{1,2}) ([0-9]{1,2}):([0-9]{1,2}):([0-9]{1,2})#', $string, $matches ) ) {
            $datetime = strtotime( $string );
            if ( false === $datetime ) {
                return gmdate( $format, 0 );
            }
            return gmdate( $format, $datetime );
        }
        $string_time = gmmktime( $matches[4], $matches[5], $matches[6], $matches[2], $matches[3], $matches[1] );
        $string_gmt = gmdate( $format, $string_time - get_option( 'gmt_offset' ) * HOUR_IN_SECONDS );
    }
    return $string_gmt;
}

/**
 * Converts a GMT date into the correct format for the blog.
 *
 * Requires and returns a date in the Y-m-d H:i:s format. If there is a
 * timezone_string available, the returned date is in that timezone, otherwise
 * it simply adds the value of gmt_offset. Return format can be overridden
 * using the $format parameter
 *
 * @since 1.2.0
 *
 * @param string $string The date to be converted.
 * @param string $format The format string for the returned date (default is Y-m-d H:i:s)
 * @return string Formatted date relative to the timezone / GMT offset.
 */
function get_date_from_gmt( $string, $format = 'Y-m-d H:i:s' ) {
    $tz = get_option( 'timezone_string' );
    if ( $tz ) {
        $datetime = date_create( $string, new DateTimeZone( 'UTC' ) );
        if ( ! $datetime )
            return date( $format, 0 );
        $datetime->setTimezone( new DateTimeZone( $tz ) );
        $string_localtime = $datetime->format( $format );
    } else {
        if ( ! preg_match('#([0-9]{1,4})-([0-9]{1,2})-([0-9]{1,2}) ([0-9]{1,2}):([0-9]{1,2}):([0-9]{1,2})#', $string, $matches) )
            return date( $format, 0 );
        $string_time = gmmktime( $matches[4], $matches[5], $matches[6], $matches[2], $matches[3], $matches[1] );
        $string_localtime = gmdate( $format, $string_time + get_option( 'gmt_offset' ) * HOUR_IN_SECONDS );
    }
    return $string_localtime;
}

/**
 * Computes an offset in seconds from an iso8601 timezone.
 *
 * @since 1.5.0
 *
 * @param string $timezone Either 'Z' for 0 offset or '┬▒hhmm'.
 * @return int|float The offset in seconds.
 */
function iso8601_timezone_to_offset( $timezone ) {
    // $timezone is either 'Z' or '[+|-]hhmm'
    if ($timezone == 'Z') {
        $offset = 0;
    } else {
        $sign    = (substr($timezone, 0, 1) == '+') ? 1 : -1;
        $hours   = intval(substr($timezone, 1, 2));
        $minutes = intval(substr($timezone, 3, 4)) / 60;
        $offset  = $sign * HOUR_IN_SECONDS * ($hours + $minutes);
    }
    return $offset;
}

/**
 * Converts an iso8601 date to MySQL DateTime format used by post_date[_gmt].
 *
 * @since 1.5.0
 *
 * @param string $date_string Date and time in ISO 8601 format {@link https://en.wikipedia.org/wiki/ISO_8601}.
 * @param string $timezone    Optional. If set to GMT returns the time minus gmt_offset. Default is 'user'.
 * @return string The date and time in MySQL DateTime format - Y-m-d H:i:s.
 */
function iso8601_to_datetime( $date_string, $timezone = 'user' ) {
    $timezone = strtolower($timezone);

    if ($timezone == 'gmt') {

        preg_match('#([0-9]{4})([0-9]{2})([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})(Z|[\+|\-][0-9]{2,4}){0,1}#', $date_string, $date_bits);

        if (!empty($date_bits[7])) { // we have a timezone, so let's compute an offset
            $offset = iso8601_timezone_to_offset($date_bits[7]);
        } else { // we don't have a timezone, so we assume user local timezone (not server's!)
            $offset = HOUR_IN_SECONDS * get_option('gmt_offset');
        }

        $timestamp = gmmktime($date_bits[4], $date_bits[5], $date_bits[6], $date_bits[2], $date_bits[3], $date_bits[1]);
        $timestamp -= $offset;

        return gmdate('Y-m-d H:i:s', $timestamp);

    } elseif ($timezone == 'user') {
        return preg_replace('#([0-9]{4})([0-9]{2})([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})(Z|[\+|\-][0-9]{2,4}){0,1}#', '$1-$2-$3 $4:$5:$6', $date_string);
    }
}

/**
 * Strips out all characters that are not allowable in an email.
 *
 * @since 1.5.0
 *
 * @param string $email Email address to filter.
 * @return string Filtered email address.
 */
function sanitize_email( $email ) {
    // Test for the minimum length the email can be
    if ( strlen( $email ) < 6 ) {
        /**
         * Filters a sanitized email address.
         *
         * This filter is evaluated under several contexts, including 'email_too_short',
         * 'email_no_at', 'local_invalid_chars', 'domain_period_sequence', 'domain_period_limits',
         * 'domain_no_periods', 'domain_no_valid_subs', or no context.
         *
         * @since 2.8.0
         *
         * @param string $email   The sanitized email address.
         * @param string $email   The email address, as provided to sanitize_email().
         * @param string $message A message to pass to the user.
         */
        return apply_filters( 'sanitize_email', '', $email, 'email_too_short' );
    }

    // Test for an @ character after the first position
    if ( strpos( $email, '@', 1 ) === false ) {
        /** This filter is documented in wp-includes/formatting.php */
        return apply_filters( 'sanitize_email', '', $email, 'email_no_at' );
    }

    // Split out the local and domain parts
    list( $local, $domain ) = explode( '@', $email, 2 );

    // LOCAL PART
    // Test for invalid characters
    $local = preg_replace( '/[^a-zA-Z0-9!#$%&\'*+\/=?^_`{|}~\.-]/', '', $local );
    if ( '' === $local ) {
        /** This filter is documented in wp-includes/formatting.php */
        return apply_filters( 'sanitize_email', '', $email, 'local_invalid_chars' );
    }

    // DOMAIN PART
    // Test for sequences of periods
    $domain = preg_replace( '/\.{2,}/', '', $domain );
    if ( '' === $domain ) {
        /** This filter is documented in wp-includes/formatting.php */
        return apply_filters( 'sanitize_email', '', $email, 'domain_period_sequence' );
    }

    // Test for leading and trailing periods and whitespace
    $domain = trim( $domain, " \t\n\r\0\x0B." );
    if ( '' === $domain ) {
        /** This filter is documented in wp-includes/formatting.php */
        return apply_filters( 'sanitize_email', '', $email, 'domain_period_limits' );
    }

    // Split the domain into subs
    $subs = explode( '.', $domain );

    // Assume the domain will have at least two subs
    if ( 2 > count( $subs ) ) {
        /** This filter is documented in wp-includes/formatting.php */
        return apply_filters( 'sanitize_email', '', $email, 'domain_no_periods' );
    }

    // Create an array that will contain valid subs
    $new_subs = array();

    // Loop through each sub
    foreach ( $subs as $sub ) {
        // Test for leading and trailing hyphens
        $sub = trim( $sub, " \t\n\r\0\x0B-" );

        // Test for invalid characters
        $sub = preg_replace( '/[^a-z0-9-]+/i', '', $sub );

        // If there's anything left, add it to the valid subs
        if ( '' !== $sub ) {
            $new_subs[] = $sub;
        }
    }

    // If there aren't 2 or more valid subs
    if ( 2 > count( $new_subs ) ) {
        /** This filter is documented in wp-includes/formatting.php */
        return apply_filters( 'sanitize_email', '', $email, 'domain_no_valid_subs' );
    }

    // Join valid subs into the new domain
    $domain = join( '.', $new_subs );

    // Put the email back together
    $email = $local . '@' . $domain;

    // Congratulations your email made it!
    /** This filter is documented in wp-includes/formatting.php */
    return apply_filters( 'sanitize_email', $email, $email, null );
}

/**
 * Determines the difference between two timestamps.
 *
 * The difference is returned in a human readable format such as "1 hour",
 * "5 mins", "2 days".
 *
 * @since 1.5.0
 *
 * @param int $from Unix timestamp from which the difference begins.
 * @param int $to   Optional. Unix timestamp to end the time difference. Default becomes time() if not set.
 * @return string Human readable time difference.
 */
function human_time_diff( $from, $to = '' ) {
    if ( empty( $to ) ) {
        $to = time();
    }

    $diff = (int) abs( $to - $from );

    if ( $diff < HOUR_IN_SECONDS ) {
        $mins = round( $diff / MINUTE_IN_SECONDS );
        if ( $mins <= 1 )
            $mins = 1;
        /* translators: Time difference between two dates, in minutes (min=minute). 1: Number of minutes */
        $since = sprintf( _n( '%s min', '%s mins', $mins ), $mins );
    } elseif ( $diff < DAY_IN_SECONDS && $diff >= HOUR_IN_SECONDS ) {
        $hours = round( $diff / HOUR_IN_SECONDS );
        if ( $hours <= 1 )
            $hours = 1;
        /* translators: Time difference between two dates, in hours. 1: Number of hours */
        $since = sprintf( _n( '%s hour', '%s hours', $hours ), $hours );
    } elseif ( $diff < WEEK_IN_SECONDS && $diff >= DAY_IN_SECONDS ) {
        $days = round( $diff / DAY_IN_SECONDS );
        if ( $days <= 1 )
            $days = 1;
        /* translators: Time difference between two dates, in days. 1: Number of days */
        $since = sprintf( _n( '%s day', '%s days', $days ), $days );
    } elseif ( $diff < MONTH_IN_SECONDS && $diff >= WEEK_IN_SECONDS ) {
        $weeks = round( $diff / WEEK_IN_SECONDS );
        if ( $weeks <= 1 )
            $weeks = 1;
        /* translators: Time difference between two dates, in weeks. 1: Number of weeks */
        $since = sprintf( _n( '%s week', '%s weeks', $weeks ), $weeks );
    } elseif ( $diff < YEAR_IN_SECONDS && $diff >= MONTH_IN_SECONDS ) {
        $months = round( $diff / MONTH_IN_SECONDS );
        if ( $months <= 1 )
            $months = 1;
        /* translators: Time difference between two dates, in months. 1: Number of months */
        $since = sprintf( _n( '%s month', '%s months', $months ), $months );
    } elseif ( $diff >= YEAR_IN_SECONDS ) {
        $years = round( $diff / YEAR_IN_SECONDS );
        if ( $years <= 1 )
            $years = 1;
        /* translators: Time difference between two dates, in years. 1: Number of years */
        $since = sprintf( _n( '%s year', '%s years', $years ), $years );
    }

    /**
     * Filters the human readable difference between two timestamps.
     *
     * @since 4.0.0
     *
     * @param string $since The difference in human readable text.
     * @param int    $diff  The difference in seconds.
     * @param int    $from  Unix timestamp from which the difference begins.
     * @param int    $to    Unix timestamp to end the time difference.
     */
    return apply_filters( 'human_time_diff', $since, $diff, $from, $to );
}

/**
 * Generates an excerpt from the content, if needed.
 *
 * The excerpt word amount will be 55 words and if the amount is greater than
 * that, then the string ' […]' will be appended to the excerpt. If the string
 * is less than 55 words, then the content will be returned as is.
 *
 * The 55 word limit can be modified by plugins/themes using the {@see 'excerpt_length'} filter
 * The ' […]' string can be modified by plugins/themes using the {@see 'excerpt_more'} filter
 *
 * @since 1.5.0
 *
 * @param string $text Optional. The excerpt. If set to empty, an excerpt is generated.
 * @return string The excerpt.
 */
function wp_trim_excerpt( $text = '' ) {
    $raw_excerpt = $text;
    if ( '' == $text ) {
        $text = get_the_content('');

        $text = strip_shortcodes( $text );

        /** This filter is documented in wp-includes/post-template.php */
        $text = apply_filters( 'the_content', $text );
        $text = str_replace(']]>', ']]>', $text);

        /**
         * Filters the number of words in an excerpt.
         *
         * @since 2.7.0
         *
         * @param int $number The number of words. Default 55.
         */
        $excerpt_length = apply_filters( 'excerpt_length', 55 );
        /**
         * Filters the string in the "more" link displayed after a trimmed excerpt.
         *
         * @since 2.9.0
         *
         * @param string $more_string The string shown within the more link.
         */
        $excerpt_more = apply_filters( 'excerpt_more', ' ' . '[…]' );
        $text = wp_trim_words( $text, $excerpt_length, $excerpt_more );
    }
    /**
     * Filters the trimmed excerpt string.
     *
     * @since 2.8.0
     *
     * @param string $text        The trimmed text.
     * @param string $raw_excerpt The text prior to trimming.
     */
    return apply_filters( 'wp_trim_excerpt', $text, $raw_excerpt );
}

/**
 * Trims text to a certain number of words.
 *
 * This function is localized. For languages that count 'words' by the individual
 * character (such as East Asian languages), the $num_words argument will apply
 * to the number of individual characters.
 *
 * @since 3.3.0
 *
 * @param string $text      Text to trim.
 * @param int    $num_words Number of words. Default 55.
 * @param string $more      Optional. What to append if $text needs to be trimmed. Default '…'.
 * @return string Trimmed text.
 */
function wp_trim_words( $text, $num_words = 55, $more = null ) {
    if ( null === $more ) {
        $more = __( '…' );
    }

    $original_text = $text;
    $text = wp_strip_all_tags( $text );

    /*
     * translators: If your word count is based on single characters (e.g. East Asian characters),
     * enter 'characters_excluding_spaces' or 'characters_including_spaces'. Otherwise, enter 'words'.
     * Do not translate into your own language.
     */
    if ( strpos( _x( 'words', 'Word count type. Do not translate!' ), 'characters' ) === 0 && preg_match( '/^utf\-?8$/i', get_option( 'blog_charset' ) ) ) {
        $text = trim( preg_replace( "/[\n\r\t ]+/", ' ', $text ), ' ' );
        preg_match_all( '/./u', $text, $words_array );
        $words_array = array_slice( $words_array[0], 0, $num_words + 1 );
        $sep = '';
    } else {
        $words_array = preg_split( "/[\n\r\t ]+/", $text, $num_words + 1, PREG_SPLIT_NO_EMPTY );
        $sep = ' ';
    }

    if ( count( $words_array ) > $num_words ) {
        array_pop( $words_array );
        $text = implode( $sep, $words_array );
        $text = $text . $more;
    } else {
        $text = implode( $sep, $words_array );
    }

    /**
     * Filters the text content after words have been trimmed.
     *
     * @since 3.3.0
     *
     * @param string $text          The trimmed text.
     * @param int    $num_words     The number of words to trim the text to. Default 55.
     * @param string $more          An optional string to append to the end of the trimmed text, e.g. ….
     * @param string $original_text The text before it was trimmed.
     */
    return apply_filters( 'wp_trim_words', $text, $num_words, $more, $original_text );
}

/**
 * Converts named entities into numbered entities.
 *
 * @since 1.5.1
 *
 * @param string $text The text within which entities will be converted.
 * @return string Text with converted entities.
 */
function ent2ncr( $text ) {

    /**
     * Filters text before named entities are converted into numbered entities.
     *
     * A non-null string must be returned for the filter to be evaluated.
     *
     * @since 3.3.0
     *
     * @param null   $converted_text The text to be converted. Default null.
     * @param string $text           The text prior to entity conversion.
     */
    $filtered = apply_filters( 'pre_ent2ncr', null, $text );
    if ( null !== $filtered )
        return $filtered;

    $to_ncr = array(
        '"' => '"',
        '&' => '&',
        '<' => '<',
        '>' => '>',
        '|' => '|',
        ' ' => ' ',
        '¡' => '¡',
        '¢' => '¢',
        '£' => '£',
        '¤' => '¤',
        '¥' => '¥',
        '¦' => '¦',
        '&brkbar;' => '¦',
        '§' => '§',
        '¨' => '¨',
        '¨' => '¨',
        '©' => '©',
        'ª' => 'ª',
        '«' => '«',
        '¬' => '¬',
        '­' => '­',
        '®' => '®',
        '¯' => '¯',
        '&hibar;' => '¯',
        '°' => '°',
        '±' => '±',
        '²' => '²',
        '³' => '³',
        '´' => '´',
        'µ' => 'µ',
        '¶' => '¶',
        '·' => '·',
        '¸' => '¸',
        '¹' => '¹',
        'º' => 'º',
        '»' => '»',
        '¼' => '¼',
        '½' => '½',
        '¾' => '¾',
        '¿' => '¿',
        'À' => 'À',
        'Á' => 'Á',
        'Â' => 'Â',
        'Ã' => 'Ã',
        'Ä' => 'Ä',
        'Å' => 'Å',
        'Æ' => 'Æ',
        'Ç' => 'Ç',
        'È' => 'È',
        'É' => 'É',
        'Ê' => 'Ê',
        'Ë' => 'Ë',
        'Ì' => 'Ì',
        'Í' => 'Í',
        'Î' => 'Î',
        'Ï' => 'Ï',
        'Ð' => 'Ð',
        'Ñ' => 'Ñ',
        'Ò' => 'Ò',
        'Ó' => 'Ó',
        'Ô' => 'Ô',
        'Õ' => 'Õ',
        'Ö' => 'Ö',
        '×' => '×',
        'Ø' => 'Ø',
        'Ù' => 'Ù',
        'Ú' => 'Ú',
        'Û' => 'Û',
        'Ü' => 'Ü',
        'Ý' => 'Ý',
        'Þ' => 'Þ',
        'ß' => 'ß',
        'à' => 'à',
        'á' => 'á',
        'â' => 'â',
        'ã' => 'ã',
        'ä' => 'ä',
        'å' => 'å',
        'æ' => 'æ',
        'ç' => 'ç',
        'è' => 'è',
        'é' => 'é',
        'ê' => 'ê',
        'ë' => 'ë',
        'ì' => 'ì',
        'í' => 'í',
        'î' => 'î',
        'ï' => 'ï',
        'ð' => 'ð',
        'ñ' => 'ñ',
        'ò' => 'ò',
        'ó' => 'ó',
        'ô' => 'ô',
        'õ' => 'õ',
        'ö' => 'ö',
        '÷' => '÷',
        'ø' => 'ø',
        'ù' => 'ù',
        'ú' => 'ú',
        'û' => 'û',
        'ü' => 'ü',
        'ý' => 'ý',
        'þ' => 'þ',
        'ÿ' => 'ÿ',
        'Œ' => 'Œ',
        'œ' => 'œ',
        'Š' => 'Š',
        'š' => 'š',
        'Ÿ' => 'Ÿ',
        'ƒ' => 'ƒ',
        'ˆ' => 'ˆ',
        '˜' => '˜',
        'Α' => 'Α',
        'Β' => 'Β',
        'Γ' => 'Γ',
        'Δ' => 'Δ',
        'Ε' => 'Ε',
        'Ζ' => 'Ζ',
        'Η' => 'Η',
        'Θ' => 'Θ',
        'Ι' => 'Ι',
        'Κ' => 'Κ',
        'Λ' => 'Λ',
        'Μ' => 'Μ',
        'Ν' => 'Ν',
        'Ξ' => 'Ξ',
        'Ο' => 'Ο',
        'Π' => 'Π',
        'Ρ' => 'Ρ',
        'Σ' => 'Σ',
        'Τ' => 'Τ',
        'Υ' => 'Υ',
        'Φ' => 'Φ',
        'Χ' => 'Χ',
        'Ψ' => 'Ψ',
        'Ω' => 'Ω',
        'α' => 'α',
        'β' => 'β',
        'γ' => 'γ',
        'δ' => 'δ',
        'ε' => 'ε',
        'ζ' => 'ζ',
        'η' => 'η',
        'θ' => 'θ',
        'ι' => 'ι',
        'κ' => 'κ',
        'λ' => 'λ',
        'μ' => 'μ',
        'ν' => 'ν',
        'ξ' => 'ξ',
        'ο' => 'ο',
        'π' => 'π',
        'ρ' => 'ρ',
        'ς' => 'ς',
        'σ' => 'σ',
        'τ' => 'τ',
        'υ' => 'υ',
        'φ' => 'φ',
        'χ' => 'χ',
        'ψ' => 'ψ',
        'ω' => 'ω',
        'ϑ' => 'ϑ',
        'ϒ' => 'ϒ',
        'ϖ' => 'ϖ',
        ' ' => ' ',
        ' ' => ' ',
        ' ' => ' ',
        '‌' => '‌',
        '‍' => '‍',
        '‎' => '‎',
        '‏' => '‏',
        '–' => '–',
        '—' => '—',
        '‘' => '‘',
        '’' => '’',
        '‚' => '‚',
        '“' => '“',
        '”' => '”',
        '„' => '„',
        '†' => '†',
        '‡' => '‡',
        '•' => '•',
        '…' => '…',
        '‰' => '‰',
        '′' => '′',
        '″' => '″',
        '‹' => '‹',
        '›' => '›',
        '‾' => '‾',
        '⁄' => '⁄',
        '€' => '€',
        'ℑ' => 'ℑ',
        '℘' => '℘',
        'ℜ' => 'ℜ',
        '™' => '™',
        'ℵ' => 'ℵ',
        '↵' => '↵',
        '⇐' => '⇐',
        '⇑' => '⇑',
        '⇒' => '⇒',
        '⇓' => '⇓',
        '⇔' => '⇔',
        '∀' => '∀',
        '∂' => '∂',
        '∃' => '∃',
        '∅' => '∅',
        '∇' => '∇',
        '∈' => '∈',
        '∉' => '∉',
        '∋' => '∋',
        '∏' => '∏',
        '∑' => '∑',
        '−' => '−',
        '∗' => '∗',
        '√' => '√',
        '∝' => '∝',
        '∞' => '∞',
        '∠' => '∠',
        '∧' => '∧',
        '∨' => '∨',
        '∩' => '∩',
        '∪' => '∪',
        '∫' => '∫',
        '∴' => '∴',
        '∼' => '∼',
        '≅' => '≅',
        '≈' => '≈',
        '≠' => '≠',
        '≡' => '≡',
        '≤' => '≤',
        '≥' => '≥',
        '⊂' => '⊂',
        '⊃' => '⊃',
        '⊄' => '⊄',
        '⊆' => '⊆',
        '⊇' => '⊇',
        '⊕' => '⊕',
        '⊗' => '⊗',
        '⊥' => '⊥',
        '⋅' => '⋅',
        '⌈' => '⌈',
        '⌉' => '⌉',
        '⌊' => '⌊',
        '⌋' => '⌋',
        '⟨' => '〈',
        '⟩' => '〉',
        '←' => '←',
        '↑' => '↑',
        '→' => '→',
        '↓' => '↓',
        '↔' => '↔',
        '◊' => '◊',
        '♠' => '♠',
        '♣' => '♣',
        '♥' => '♥',
        '♦' => '♦'
    );

    return str_replace( array_keys($to_ncr), array_values($to_ncr), $text );
}

/**
 * Formats text for the editor.
 *
 * Generally the browsers treat everything inside a textarea as text, but
 * it is still a good idea to HTML entity encode `<`, `>` and `&` in the content.
 *
 * The filter {@see 'format_for_editor'} is applied here. If `$text` is empty the
 * filter will be applied to an empty string.
 *
 * @since 4.3.0
 *
 * @see _WP_Editors::editor()
 *
 * @param string $text           The text to be formatted.
 * @param string $default_editor The default editor for the current user.
 *                               It is usually either 'html' or 'tinymce'.
 * @return string The formatted text after filter is applied.
 */
function format_for_editor( $text, $default_editor = null ) {
    if ( $text ) {
        $text = htmlspecialchars( $text, ENT_NOQUOTES, get_option( 'blog_charset' ) );
    }

    /**
     * Filters the text after it is formatted for the editor.
     *
     * @since 4.3.0
     *
     * @param string $text           The formatted text.
     * @param string $default_editor The default editor for the current user.
     *                               It is usually either 'html' or 'tinymce'.
     */
    return apply_filters( 'format_for_editor', $text, $default_editor );
}

/**
 * Perform a deep string replace operation to ensure the values in $search are no longer present
 *
 * Repeats the replacement operation until it no longer replaces anything so as to remove "nested" values
 * e.g. $subject = '%0%0%0DDD', $search ='%0D', $result ='' rather than the '%0%0DD' that
 * str_replace would return
 *
 * @since 2.8.1
 * @access private
 *
 * @param string|array $search  The value being searched for, otherwise known as the needle.
 *                              An array may be used to designate multiple needles.
 * @param string       $subject The string being searched and replaced on, otherwise known as the haystack.
 * @return string The string with the replaced svalues.
 */
function _deep_replace( $search, $subject ) {
    $subject = (string) $subject;

    $count = 1;
    while ( $count ) {
        $subject = str_replace( $search, '', $subject, $count );
    }

    return $subject;
}

/**
 * Escapes data for use in a MySQL query.
 *
 * Usually you should prepare queries using wpdb::prepare().
 * Sometimes, spot-escaping is required or useful. One example
 * is preparing an array for use in an IN clause.
 *
 * NOTE: Since 4.8.3, '%' characters will be replaced with a placeholder string,
 * this prevents certain SQLi attacks from taking place. This change in behaviour
 * may cause issues for code that expects the return value of esc_sql() to be useable
 * for other purposes.
 *
 * @since 2.8.0
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @param string|array $data Unescaped data
 * @return string|array Escaped data
 */
function esc_sql( $data ) {
    global $wpdb;
    return $wpdb->_escape( $data );
}

/**
 * Checks and cleans a URL.
 *
 * A number of characters are removed from the URL. If the URL is for displaying
 * (the default behaviour) ampersands are also replaced. The {@see 'clean_url'} filter
 * is applied to the returned cleaned URL.
 *
 * @since 2.8.0
 *
 * @param string $url       The URL to be cleaned.
 * @param array  $protocols Optional. An array of acceptable protocols.
 *                            Defaults to return value of wp_allowed_protocols()
 * @param string $_context  Private. Use esc_url_raw() for database usage.
 * @return string The cleaned $url after the {@see 'clean_url'} filter is applied.
 */
function esc_url( $url, $protocols = null, $_context = 'display' ) {
    $original_url = $url;

    if ( '' == $url )
        return $url;

    $url = str_replace( ' ', '%20', $url );
    $url = preg_replace('|[^a-z0-9-~+_.?#=!&;,/:%@$\|*\'()\[\]\\x80-\\xff]|i', '', $url);

    if ( '' === $url ) {
        return $url;
    }

    if ( 0 !== stripos( $url, 'mailto:' ) ) {
        $strip = array('%0d', '%0a', '%0D', '%0A');
        $url = _deep_replace($strip, $url);
    }

    $url = str_replace(';//', '://', $url);
    /* If the URL doesn't appear to contain a scheme, we
     * presume it needs http:// prepended (unless a relative
     * link starting with /, # or ? or a php file).
     */
    if ( strpos($url, ':') === false && ! in_array( $url[0], array( '/', '#', '?' ) ) &&
        ! preg_match('/^[a-z0-9-]+?\.php/i', $url) )
        $url = 'http://' . $url;

    // Replace ampersands and single quotes only when displaying.
    if ( 'display' == $_context ) {
        $url = wp_kses_normalize_entities( $url );
        $url = str_replace( '&', '&', $url );
        $url = str_replace( "'", ''', $url );
    }

    if ( ( false !== strpos( $url, '[' ) ) || ( false !== strpos( $url, ']' ) ) ) {

        $parsed = wp_parse_url( $url );
        $front  = '';

        if ( isset( $parsed['scheme'] ) ) {
            $front .= $parsed['scheme'] . '://';
        } elseif ( '/' === $url[0] ) {
            $front .= '//';
        }

        if ( isset( $parsed['user'] ) ) {
            $front .= $parsed['user'];
        }

        if ( isset( $parsed['pass'] ) ) {
            $front .= ':' . $parsed['pass'];
        }

        if ( isset( $parsed['user'] ) || isset( $parsed['pass'] ) ) {
            $front .= '@';
        }

        if ( isset( $parsed['host'] ) ) {
            $front .= $parsed['host'];
        }

        if ( isset( $parsed['port'] ) ) {
            $front .= ':' . $parsed['port'];
        }

        $end_dirty = str_replace( $front, '', $url );
        $end_clean = str_replace( array( '[', ']' ), array( '%5B', '%5D' ), $end_dirty );
        $url       = str_replace( $end_dirty, $end_clean, $url );

    }

    if ( '/' === $url[0] ) {
        $good_protocol_url = $url;
    } else {
        if ( ! is_array( $protocols ) )
            $protocols = wp_allowed_protocols();
        $good_protocol_url = wp_kses_bad_protocol( $url, $protocols );
        if ( strtolower( $good_protocol_url ) != strtolower( $url ) )
            return '';
    }

    /**
     * Filters a string cleaned and escaped for output as a URL.
     *
     * @since 2.3.0
     *
     * @param string $good_protocol_url The cleaned URL to be returned.
     * @param string $original_url      The URL prior to cleaning.
     * @param string $_context          If 'display', replace ampersands and single quotes only.
     */
    return apply_filters( 'clean_url', $good_protocol_url, $original_url, $_context );
}

/**
 * Performs esc_url() for database usage.
 *
 * @since 2.8.0
 *
 * @param string $url       The URL to be cleaned.
 * @param array  $protocols An array of acceptable protocols.
 * @return string The cleaned URL.
 */
function esc_url_raw( $url, $protocols = null ) {
    return esc_url( $url, $protocols, 'db' );
}

/**
 * Convert entities, while preserving already-encoded entities.
 *
 * @link https://secure.php.net/htmlentities Borrowed from the PHP Manual user notes.
 *
 * @since 1.2.2
 *
 * @param string $myHTML The text to be converted.
 * @return string Converted text.
 */
function htmlentities2( $myHTML ) {
    $translation_table = get_html_translation_table( HTML_ENTITIES, ENT_QUOTES );
    $translation_table[chr(38)] = '&';
    return preg_replace( "/&(?![A-Za-z]{0,4}\w{2,3};|#[0-9]{2,3};)/", "&", strtr($myHTML, $translation_table) );
}

/**
 * Escape single quotes, htmlspecialchar " < > &, and fix line endings.
 *
 * Escapes text strings for echoing in JS. It is intended to be used for inline JS
 * (in a tag attribute, for example onclick="..."). Note that the strings have to
 * be in single quotes. The {@see 'js_escape'} filter is also applied here.
 *
 * @since 2.8.0
 *
 * @param string $text The text to be escaped.
 * @return string Escaped text.
 */
function esc_js( $text ) {
    $safe_text = wp_check_invalid_utf8( $text );
    $safe_text = _wp_specialchars( $safe_text, ENT_COMPAT );
    $safe_text = preg_replace( '/&#(x)?0*(?(1)27|39);?/i', "'", stripslashes( $safe_text ) );
    $safe_text = str_replace( "\r", '', $safe_text );
    $safe_text = str_replace( "\n", '\\n', addslashes( $safe_text ) );
    /**
     * Filters a string cleaned and escaped for output in JavaScript.
     *
     * Text passed to esc_js() is stripped of invalid or special characters,
     * and properly slashed for output.
     *
     * @since 2.0.6
     *
     * @param string $safe_text The text after it has been escaped.
      * @param string $text      The text prior to being escaped.
     */
    return apply_filters( 'js_escape', $safe_text, $text );
}

/**
 * Escaping for HTML blocks.
 *
 * @since 2.8.0
 *
 * @param string $text
 * @return string
 */
function esc_html( $text ) {
    $safe_text = wp_check_invalid_utf8( $text );
    $safe_text = _wp_specialchars( $safe_text, ENT_QUOTES );
    /**
     * Filters a string cleaned and escaped for output in HTML.
     *
     * Text passed to esc_html() is stripped of invalid or special characters
     * before output.
     *
     * @since 2.8.0
     *
     * @param string $safe_text The text after it has been escaped.
      * @param string $text      The text prior to being escaped.
     */
    return apply_filters( 'esc_html', $safe_text, $text );
}

/**
 * Escaping for HTML attributes.
 *
 * @since 2.8.0
 *
 * @param string $text
 * @return string
 */
function esc_attr( $text ) {
    $safe_text = wp_check_invalid_utf8( $text );
    $safe_text = _wp_specialchars( $safe_text, ENT_QUOTES );
    /**
     * Filters a string cleaned and escaped for output in an HTML attribute.
     *
     * Text passed to esc_attr() is stripped of invalid or special characters
     * before output.
     *
     * @since 2.0.6
     *
     * @param string $safe_text The text after it has been escaped.
      * @param string $text      The text prior to being escaped.
     */
    return apply_filters( 'attribute_escape', $safe_text, $text );
}

/**
 * Escaping for textarea values.
 *
 * @since 3.1.0
 *
 * @param string $text
 * @return string
 */
function esc_textarea( $text ) {
    $safe_text = htmlspecialchars( $text, ENT_QUOTES, get_option( 'blog_charset' ) );
    /**
     * Filters a string cleaned and escaped for output in a textarea element.
     *
     * @since 3.1.0
     *
     * @param string $safe_text The text after it has been escaped.
      * @param string $text      The text prior to being escaped.
     */
    return apply_filters( 'esc_textarea', $safe_text, $text );
}

/**
 * Escape an HTML tag name.
 *
 * @since 2.5.0
 *
 * @param string $tag_name
 * @return string
 */
function tag_escape( $tag_name ) {
    $safe_tag = strtolower( preg_replace('/[^a-zA-Z0-9_:]/', '', $tag_name) );
    /**
     * Filters a string cleaned and escaped for output as an HTML tag.
     *
     * @since 2.8.0
     *
     * @param string $safe_tag The tag name after it has been escaped.
      * @param string $tag_name The text before it was escaped.
     */
    return apply_filters( 'tag_escape', $safe_tag, $tag_name );
}

/**
 * Convert full URL paths to absolute paths.
 *
 * Removes the http or https protocols and the domain. Keeps the path '/' at the
 * beginning, so it isn't a true relative link, but from the web root base.
 *
 * @since 2.1.0
 * @since 4.1.0 Support was added for relative URLs.
 *
 * @param string $link Full URL path.
 * @return string Absolute path.
 */
function wp_make_link_relative( $link ) {
    return preg_replace( '|^(https?:)?//[^/]+(/?.*)|i', '$2', $link );
}

/**
 * Sanitises various option values based on the nature of the option.
 *
 * This is basically a switch statement which will pass $value through a number
 * of functions depending on the $option.
 *
 * @since 2.0.5
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @param string $option The name of the option.
 * @param string $value  The unsanitised value.
 * @return string Sanitized value.
 */
function sanitize_option( $option, $value ) {
    global $wpdb;

    $original_value = $value;
    $error = '';

    switch ( $option ) {
        case 'admin_email' :
        case 'new_admin_email' :
            $value = $wpdb->strip_invalid_text_for_column( $wpdb->options, 'option_value', $value );
            if ( is_wp_error( $value ) ) {
                $error = $value->get_error_message();
            } else {
                $value = sanitize_email( $value );
                if ( ! is_email( $value ) ) {
                    $error = __( 'The email address entered did not appear to be a valid email address. Please enter a valid email address.' );
                }
            }
            break;

        case 'thumbnail_size_w':
        case 'thumbnail_size_h':
        case 'medium_size_w':
        case 'medium_size_h':
        case 'medium_large_size_w':
        case 'medium_large_size_h':
        case 'large_size_w':
        case 'large_size_h':
        case 'mailserver_port':
        case 'comment_max_links':
        case 'page_on_front':
        case 'page_for_posts':
        case 'rss_excerpt_length':
        case 'default_category':
        case 'default_email_category':
        case 'default_link_category':
        case 'close_comments_days_old':
        case 'comments_per_page':
        case 'thread_comments_depth':
        case 'users_can_register':
        case 'start_of_week':
        case 'site_icon':
            $value = absint( $value );
            break;

        case 'posts_per_page':
        case 'posts_per_rss':
            $value = (int) $value;
            if ( empty($value) )
                $value = 1;
            if ( $value < -1 )
                $value = abs($value);
            break;

        case 'default_ping_status':
        case 'default_comment_status':
            // Options that if not there have 0 value but need to be something like "closed"
            if ( $value == '0' || $value == '')
                $value = 'closed';
            break;

        case 'blogdescription':
        case 'blogname':
            $value = $wpdb->strip_invalid_text_for_column( $wpdb->options, 'option_value', $value );
            if ( $value !== $original_value ) {
                $value = $wpdb->strip_invalid_text_for_column( $wpdb->options, 'option_value', wp_encode_emoji( $original_value ) );
            }

            if ( is_wp_error( $value ) ) {
                $error = $value->get_error_message();
            } else {
                $value = esc_html( $value );
            }
            break;

        case 'blog_charset':
            $value = preg_replace('/[^a-zA-Z0-9_-]/', '', $value); // strips slashes
            break;

        case 'blog_public':
            // This is the value if the settings checkbox is not checked on POST. Don't rely on this.
            if ( null === $value )
                $value = 1;
            else
                $value = intval( $value );
            break;

        case 'date_format':
        case 'time_format':
        case 'mailserver_url':
        case 'mailserver_login':
        case 'mailserver_pass':
        case 'upload_path':
            $value = $wpdb->strip_invalid_text_for_column( $wpdb->options, 'option_value', $value );
            if ( is_wp_error( $value ) ) {
                $error = $value->get_error_message();
            } else {
                $value = strip_tags( $value );
                $value = wp_kses_data( $value );
            }
            break;

        case 'ping_sites':
            $value = explode( "\n", $value );
            $value = array_filter( array_map( 'trim', $value ) );
            $value = array_filter( array_map( 'esc_url_raw', $value ) );
            $value = implode( "\n", $value );
            break;

        case 'gmt_offset':
            $value = preg_replace('/[^0-9:.-]/', '', $value); // strips slashes
            break;

        case 'siteurl':
            $value = $wpdb->strip_invalid_text_for_column( $wpdb->options, 'option_value', $value );
            if ( is_wp_error( $value ) ) {
                $error = $value->get_error_message();
            } else {
                if ( preg_match( '#http(s?)://(.+)#i', $value ) ) {
                    $value = esc_url_raw( $value );
                } else {
                    $error = __( 'The WordPress address you entered did not appear to be a valid URL. Please enter a valid URL.' );
                }
            }
            break;

        case 'home':
            $value = $wpdb->strip_invalid_text_for_column( $wpdb->options, 'option_value', $value );
            if ( is_wp_error( $value ) ) {
                $error = $value->get_error_message();
            } else {
                if ( preg_match( '#http(s?)://(.+)#i', $value ) ) {
                    $value = esc_url_raw( $value );
                } else {
                    $error = __( 'The Site address you entered did not appear to be a valid URL. Please enter a valid URL.' );
                }
            }
            break;

        case 'WPLANG':
            $allowed = get_available_languages();
            if ( ! is_multisite() && defined( 'WPLANG' ) && '' !== WPLANG && 'en_US' !== WPLANG ) {
                $allowed[] = WPLANG;
            }
            if ( ! in_array( $value, $allowed ) && ! empty( $value ) ) {
                $value = get_option( $option );
            }
            break;

        case 'illegal_names':
            $value = $wpdb->strip_invalid_text_for_column( $wpdb->options, 'option_value', $value );
            if ( is_wp_error( $value ) ) {
                $error = $value->get_error_message();
            } else {
                if ( ! is_array( $value ) )
                    $value = explode( ' ', $value );

                $value = array_values( array_filter( array_map( 'trim', $value ) ) );

                if ( ! $value )
                    $value = '';
            }
            break;

        case 'limited_email_domains':
        case 'banned_email_domains':
            $value = $wpdb->strip_invalid_text_for_column( $wpdb->options, 'option_value', $value );
            if ( is_wp_error( $value ) ) {
                $error = $value->get_error_message();
            } else {
                if ( ! is_array( $value ) )
                    $value = explode( "\n", $value );

                $domains = array_values( array_filter( array_map( 'trim', $value ) ) );
                $value = array();

                foreach ( $domains as $domain ) {
                    if ( ! preg_match( '/(--|\.\.)/', $domain ) && preg_match( '|^([a-zA-Z0-9-\.])+$|', $domain ) ) {
                        $value[] = $domain;
                    }
                }
                if ( ! $value )
                    $value = '';
            }
            break;

        case 'timezone_string':
            $allowed_zones = timezone_identifiers_list();
            if ( ! in_array( $value, $allowed_zones ) && ! empty( $value ) ) {
                $error = __( 'The timezone you have entered is not valid. Please select a valid timezone.' );
            }
            break;

        case 'permalink_structure':
        case 'category_base':
        case 'tag_base':
            $value = $wpdb->strip_invalid_text_for_column( $wpdb->options, 'option_value', $value );
            if ( is_wp_error( $value ) ) {
                $error = $value->get_error_message();
            } else {
                $value = esc_url_raw( $value );
                $value = str_replace( 'http://', '', $value );
            }

            if ( 'permalink_structure' === $option && '' !== $value && ! preg_match( '/%[^\/%]+%/', $value ) ) {
                $error = sprintf(
                    /* translators: %s: Codex URL */
                    __( 'A structure tag is required when using custom permalinks. <a href="%s">Learn more</a>' ),
                    __( 'https://codex.wordpress.org/Using_Permalinks#Choosing_your_permalink_structure' )
                );
            }
            break;

        case 'default_role' :
            if ( ! get_role( $value ) && get_role( 'subscriber' ) )
                $value = 'subscriber';
            break;

        case 'moderation_keys':
        case 'blacklist_keys':
            $value = $wpdb->strip_invalid_text_for_column( $wpdb->options, 'option_value', $value );
            if ( is_wp_error( $value ) ) {
                $error = $value->get_error_message();
            } else {
                $value = explode( "\n", $value );
                $value = array_filter( array_map( 'trim', $value ) );
                $value = array_unique( $value );
                $value = implode( "\n", $value );
            }
            break;
    }

    if ( ! empty( $error ) ) {
        $value = get_option( $option );
        if ( function_exists( 'add_settings_error' ) ) {
            add_settings_error( $option, "invalid_{$option}", $error );
        }
    }

    /**
     * Filters an option value following sanitization.
     *
     * @since 2.3.0
     * @since 4.3.0 Added the `$original_value` parameter.
     *
     * @param string $value          The sanitized option value.
     * @param string $option         The option name.
     * @param string $original_value The original value passed to the function.
     */
    return apply_filters( "sanitize_option_{$option}", $value, $option, $original_value );
}

/**
 * Maps a function to all non-iterable elements of an array or an object.
 *
 * This is similar to `array_walk_recursive()` but acts upon objects too.
 *
 * @since 4.4.0
 *
 * @param mixed    $value    The array, object, or scalar.
 * @param callable $callback The function to map onto $value.
 * @return mixed The value with the callback applied to all non-arrays and non-objects inside it.
 */
function map_deep( $value, $callback ) {
    if ( is_array( $value ) ) {
        foreach ( $value as $index => $item ) {
            $value[ $index ] = map_deep( $item, $callback );
        }
    } elseif ( is_object( $value ) ) {
        $object_vars = get_object_vars( $value );
        foreach ( $object_vars as $property_name => $property_value ) {
            $value->$property_name = map_deep( $property_value, $callback );
        }
    } else {
        $value = call_user_func( $callback, $value );
    }

    return $value;
}

/**
 * Parses a string into variables to be stored in an array.
 *
 * Uses {@link https://secure.php.net/parse_str parse_str()} and stripslashes if
 * {@link https://secure.php.net/magic_quotes magic_quotes_gpc} is on.
 *
 * @since 2.2.1
 *
 * @param string $string The string to be parsed.
 * @param array  $array  Variables will be stored in this array.
 */
function wp_parse_str( $string, &$array ) {
    parse_str( $string, $array );
    if ( get_magic_quotes_gpc() )
        $array = stripslashes_deep( $array );
    /**
     * Filters the array of variables derived from a parsed string.
     *
     * @since 2.3.0
     *
     * @param array $array The array populated with variables.
     */
    $array = apply_filters( 'wp_parse_str', $array );
}

/**
 * Convert lone less than signs.
 *
 * KSES already converts lone greater than signs.
 *
 * @since 2.3.0
 *
 * @param string $text Text to be converted.
 * @return string Converted text.
 */
function wp_pre_kses_less_than( $text ) {
    return preg_replace_callback('%<[^>]*?((?=<)|>|$)%', 'wp_pre_kses_less_than_callback', $text);
}

/**
 * Callback function used by preg_replace.
 *
 * @since 2.3.0
 *
 * @param array $matches Populated by matches to preg_replace.
 * @return string The text returned after esc_html if needed.
 */
function wp_pre_kses_less_than_callback( $matches ) {
    if ( false === strpos($matches[0], '>') )
        return esc_html($matches[0]);
    return $matches[0];
}

/**
 * WordPress implementation of PHP sprintf() with filters.
 *
 * @since 2.5.0
 * @link https://secure.php.net/sprintf
 *
 * @param string $pattern   The string which formatted args are inserted.
 * @param mixed  $args ,... Arguments to be formatted into the $pattern string.
 * @return string The formatted string.
 */
function wp_sprintf( $pattern ) {
    $args = func_get_args();
    $len = strlen($pattern);
    $start = 0;
    $result = '';
    $arg_index = 0;
    while ( $len > $start ) {
        // Last character: append and break
        if ( strlen($pattern) - 1 == $start ) {
            $result .= substr($pattern, -1);
            break;
        }

        // Literal %: append and continue
        if ( substr($pattern, $start, 2) == '%%' ) {
            $start += 2;
            $result .= '%';
            continue;
        }

        // Get fragment before next %
        $end = strpos($pattern, '%', $start + 1);
        if ( false === $end )
            $end = $len;
        $fragment = substr($pattern, $start, $end - $start);

        // Fragment has a specifier
        if ( $pattern[$start] == '%' ) {
            // Find numbered arguments or take the next one in order
            if ( preg_match('/^%(\d+)\$/', $fragment, $matches) ) {
                $arg = isset($args[$matches[1]]) ? $args[$matches[1]] : '';
                $fragment = str_replace("%{$matches[1]}$", '%', $fragment);
            } else {
                ++$arg_index;
                $arg = isset($args[$arg_index]) ? $args[$arg_index] : '';
            }

            /**
             * Filters a fragment from the pattern passed to wp_sprintf().
             *
             * If the fragment is unchanged, then sprintf() will be run on the fragment.
             *
             * @since 2.5.0
             *
             * @param string $fragment A fragment from the pattern.
             * @param string $arg      The argument.
             */
            $_fragment = apply_filters( 'wp_sprintf', $fragment, $arg );
            if ( $_fragment != $fragment )
                $fragment = $_fragment;
            else
                $fragment = sprintf($fragment, strval($arg) );
        }

        // Append to result and move to next fragment
        $result .= $fragment;
        $start = $end;
    }
    return $result;
}

/**
 * Localize list items before the rest of the content.
 *
 * The '%l' must be at the first characters can then contain the rest of the
 * content. The list items will have ', ', ', and', and ' and ' added depending
 * on the amount of list items in the $args parameter.
 *
 * @since 2.5.0
 *
 * @param string $pattern Content containing '%l' at the beginning.
 * @param array  $args    List items to prepend to the content and replace '%l'.
 * @return string Localized list items and rest of the content.
 */
function wp_sprintf_l( $pattern, $args ) {
    // Not a match
    if ( substr($pattern, 0, 2) != '%l' )
        return $pattern;

    // Nothing to work with
    if ( empty($args) )
        return '';

    /**
     * Filters the translated delimiters used by wp_sprintf_l().
     * Placeholders (%s) are included to assist translators and then
     * removed before the array of strings reaches the filter.
     *
     * Please note: Ampersands and entities should be avoided here.
     *
     * @since 2.5.0
     *
     * @param array $delimiters An array of translated delimiters.
     */
    $l = apply_filters( 'wp_sprintf_l', array(
        /* translators: used to join items in a list with more than 2 items */
        'between'          => sprintf( __('%s, %s'), '', '' ),
        /* translators: used to join last two items in a list with more than 2 times */
        'between_last_two' => sprintf( __('%s, and %s'), '', '' ),
        /* translators: used to join items in a list with only 2 items */
        'between_only_two' => sprintf( __('%s and %s'), '', '' ),
    ) );

    $args = (array) $args;
    $result = array_shift($args);
    if ( count($args) == 1 )
        $result .= $l['between_only_two'] . array_shift($args);
    // Loop when more than two args
    $i = count($args);
    while ( $i ) {
        $arg = array_shift($args);
        $i--;
        if ( 0 == $i )
            $result .= $l['between_last_two'] . $arg;
        else
            $result .= $l['between'] . $arg;
    }
    return $result . substr($pattern, 2);
}

/**
 * Safely extracts not more than the first $count characters from html string.
 *
 * UTF-8, tags and entities safe prefix extraction. Entities inside will *NOT*
 * be counted as one character. For example & will be counted as 4, < as
 * 3, etc.
 *
 * @since 2.5.0
 *
 * @param string $str   String to get the excerpt from.
 * @param int    $count Maximum number of characters to take.
 * @param string $more  Optional. What to append if $str needs to be trimmed. Defaults to empty string.
 * @return string The excerpt.
 */
function wp_html_excerpt( $str, $count, $more = null ) {
    if ( null === $more )
        $more = '';
    $str = wp_strip_all_tags( $str, true );
    $excerpt = mb_substr( $str, 0, $count );
    // remove part of an entity at the end
    $excerpt = preg_replace( '/&[^;\s]{0,6}$/', '', $excerpt );
    if ( $str != $excerpt )
        $excerpt = trim( $excerpt ) . $more;
    return $excerpt;
}

/**
 * Add a Base url to relative links in passed content.
 *
 * By default it supports the 'src' and 'href' attributes. However this can be
 * changed via the 3rd param.
 *
 * @since 2.7.0
 *
 * @global string $_links_add_base
 *
 * @param string $content String to search for links in.
 * @param string $base    The base URL to prefix to links.
 * @param array  $attrs   The attributes which should be processed.
 * @return string The processed content.
 */
function links_add_base_url( $content, $base, $attrs = array('src', 'href') ) {
    global $_links_add_base;
    $_links_add_base = $base;
    $attrs = implode('|', (array)$attrs);
    return preg_replace_callback( "!($attrs)=(['\"])(.+?)\\2!i", '_links_add_base', $content );
}

/**
 * Callback to add a base url to relative links in passed content.
 *
 * @since 2.7.0
 * @access private
 *
 * @global string $_links_add_base
 *
 * @param string $m The matched link.
 * @return string The processed link.
 */
function _links_add_base( $m ) {
    global $_links_add_base;
    //1 = attribute name  2 = quotation mark  3 = URL
    return $m[1] . '=' . $m[2] .
        ( preg_match( '#^(\w{1,20}):#', $m[3], $protocol ) && in_array( $protocol[1], wp_allowed_protocols() ) ?
            $m[3] :
            WP_Http::make_absolute_url( $m[3], $_links_add_base )
        )
        . $m[2];
}

/**
 * Adds a Target attribute to all links in passed content.
 *
 * This function by default only applies to `<a>` tags, however this can be
 * modified by the 3rd param.
 *
 * *NOTE:* Any current target attributed will be stripped and replaced.
 *
 * @since 2.7.0
 *
 * @global string $_links_add_target
 *
 * @param string $content String to search for links in.
 * @param string $target  The Target to add to the links.
 * @param array  $tags    An array of tags to apply to.
 * @return string The processed content.
 */
function links_add_target( $content, $target = '_blank', $tags = array('a') ) {
    global $_links_add_target;
    $_links_add_target = $target;
    $tags = implode('|', (array)$tags);
    return preg_replace_callback( "!<($tags)([^>]*)>!i", '_links_add_target', $content );
}

/**
 * Callback to add a target attribute to all links in passed content.
 *
 * @since 2.7.0
 * @access private
 *
 * @global string $_links_add_target
 *
 * @param string $m The matched link.
 * @return string The processed link.
 */
function _links_add_target( $m ) {
    global $_links_add_target;
    $tag = $m[1];
    $link = preg_replace('|( target=([\'"])(.*?)\2)|i', '', $m[2]);
    return '<' . $tag . $link . ' target="' . esc_attr( $_links_add_target ) . '">';
}

/**
 * Normalize EOL characters and strip duplicate whitespace.
 *
 * @since 2.7.0
 *
 * @param string $str The string to normalize.
 * @return string The normalized string.
 */
function normalize_whitespace( $str ) {
    $str  = trim( $str );
    $str  = str_replace( "\r", "\n", $str );
    $str  = preg_replace( array( '/\n+/', '/[ \t]+/' ), array( "\n", ' ' ), $str );
    return $str;
}

/**
 * Properly strip all HTML tags including script and style
 *
 * This differs from strip_tags() because it removes the contents of
 * the `<script>` and `<style>` tags. E.g. `strip_tags( '<script>something</script>' )`
 * will return 'something'. wp_strip_all_tags will return ''
 *
 * @since 2.9.0
 *
 * @param string $string        String containing HTML tags
 * @param bool   $remove_breaks Optional. Whether to remove left over line breaks and white space chars
 * @return string The processed string.
 */
function wp_strip_all_tags($string, $remove_breaks = false) {
    $string = preg_replace( '@<(script|style)[^>]*?>.*?</\\1>@si', '', $string );
    $string = strip_tags($string);

    if ( $remove_breaks )
        $string = preg_replace('/[\r\n\t ]+/', ' ', $string);

    return trim( $string );
}

/**
 * Sanitizes a string from user input or from the database.
 *
 * - Checks for invalid UTF-8,
 * - Converts single `<` characters to entities
 * - Strips all tags
 * - Removes line breaks, tabs, and extra whitespace
 * - Strips octets
 *
 * @since 2.9.0
 *
 * @see sanitize_textarea_field()
 * @see wp_check_invalid_utf8()
 * @see wp_strip_all_tags()
 *
 * @param string $str String to sanitize.
 * @return string Sanitized string.
 */
function sanitize_text_field( $str ) {
    $filtered = _sanitize_text_fields( $str, false );

    /**
     * Filters a sanitized text field string.
     *
     * @since 2.9.0
     *
     * @param string $filtered The sanitized string.
     * @param string $str      The string prior to being sanitized.
     */
    return apply_filters( 'sanitize_text_field', $filtered, $str );
}

/**
 * Sanitizes a multiline string from user input or from the database.
 *
 * The function is like sanitize_text_field(), but preserves
 * new lines (\n) and other whitespace, which are legitimate
 * input in textarea elements.
 *
 * @see sanitize_text_field()
 *
 * @since 4.7.0
 *
 * @param string $str String to sanitize.
 * @return string Sanitized string.
 */
function sanitize_textarea_field( $str ) {
    $filtered = _sanitize_text_fields( $str, true );

    /**
     * Filters a sanitized textarea field string.
     *
     * @since 4.7.0
     *
     * @param string $filtered The sanitized string.
     * @param string $str      The string prior to being sanitized.
     */
    return apply_filters( 'sanitize_textarea_field', $filtered, $str );
}

/**
 * Internal helper function to sanitize a string from user input or from the db
 *
 * @since 4.7.0
 * @access private
 *
 * @param string $str String to sanitize.
 * @param bool $keep_newlines optional Whether to keep newlines. Default: false.
 * @return string Sanitized string.
 */
function _sanitize_text_fields( $str, $keep_newlines = false ) {
    $filtered = wp_check_invalid_utf8( $str );

    if ( strpos($filtered, '<') !== false ) {
        $filtered = wp_pre_kses_less_than( $filtered );
        // This will strip extra whitespace for us.
        $filtered = wp_strip_all_tags( $filtered, false );

        // Use html entities in a special case to make sure no later
        // newline stripping stage could lead to a functional tag
        $filtered = str_replace("<\n", "<\n", $filtered);
    }

    if ( ! $keep_newlines ) {
        $filtered = preg_replace( '/[\r\n\t ]+/', ' ', $filtered );
    }
    $filtered = trim( $filtered );

    $found = false;
    while ( preg_match('/%[a-f0-9]{2}/i', $filtered, $match) ) {
        $filtered = str_replace($match[0], '', $filtered);
        $found = true;
    }

    if ( $found ) {
        // Strip out the whitespace that may now exist after removing the octets.
        $filtered = trim( preg_replace('/ +/', ' ', $filtered) );
    }

    return $filtered;
}

/**
 * i18n friendly version of basename()
 *
 * @since 3.1.0
 *
 * @param string $path   A path.
 * @param string $suffix If the filename ends in suffix this will also be cut off.
 * @return string
 */
function wp_basename( $path, $suffix = '' ) {
    return urldecode( basename( str_replace( array( '%2F', '%5C' ), '/', urlencode( $path ) ), $suffix ) );
}

/**
 * Forever eliminate "Wordpress" from the planet (or at least the little bit we can influence).
 *
 * Violating our coding standards for a good function name.
 *
 * @since 3.0.0
 *
 * @staticvar string|false $dblq
 *
 * @param string $text The text to be modified.
 * @return string The modified text.
 */
function capital_P_dangit( $text ) {
    // Simple replacement for titles
    $current_filter = current_filter();
    if ( 'the_title' === $current_filter || 'wp_title' === $current_filter )
        return str_replace( 'Wordpress', 'WordPress', $text );
    // Still here? Use the more judicious replacement
    static $dblq = false;
    if ( false === $dblq ) {
        $dblq = _x( '“', 'opening curly double quote' );
    }
    return str_replace(
        array( ' Wordpress', '‘Wordpress', $dblq . 'Wordpress', '>Wordpress', '(Wordpress' ),
        array( ' WordPress', '‘WordPress', $dblq . 'WordPress', '>WordPress', '(WordPress' ),
    $text );
}

/**
 * Sanitize a mime type
 *
 * @since 3.1.3
 *
 * @param string $mime_type Mime type
 * @return string Sanitized mime type
 */
function sanitize_mime_type( $mime_type ) {
    $sani_mime_type = preg_replace( '/[^-+*.a-zA-Z0-9\/]/', '', $mime_type );
    /**
     * Filters a mime type following sanitization.
     *
     * @since 3.1.3
     *
     * @param string $sani_mime_type The sanitized mime type.
     * @param string $mime_type      The mime type prior to sanitization.
     */
    return apply_filters( 'sanitize_mime_type', $sani_mime_type, $mime_type );
}

/**
 * Sanitize space or carriage return separated URLs that are used to send trackbacks.
 *
 * @since 3.4.0
 *
 * @param string $to_ping Space or carriage return separated URLs
 * @return string URLs starting with the http or https protocol, separated by a carriage return.
 */
function sanitize_trackback_urls( $to_ping ) {
    $urls_to_ping = preg_split( '/[\r\n\t ]/', trim( $to_ping ), -1, PREG_SPLIT_NO_EMPTY );
    foreach ( $urls_to_ping as $k => $url ) {
        if ( !preg_match( '#^https?://.#i', $url ) )
            unset( $urls_to_ping[$k] );
    }
    $urls_to_ping = array_map( 'esc_url_raw', $urls_to_ping );
    $urls_to_ping = implode( "\n", $urls_to_ping );
    /**
     * Filters a list of trackback URLs following sanitization.
     *
     * The string returned here consists of a space or carriage return-delimited list
     * of trackback URLs.
     *
     * @since 3.4.0
     *
     * @param string $urls_to_ping Sanitized space or carriage return separated URLs.
     * @param string $to_ping      Space or carriage return separated URLs before sanitization.
     */
    return apply_filters( 'sanitize_trackback_urls', $urls_to_ping, $to_ping );
}

/**
 * Add slashes to a string or array of strings.
 *
 * This should be used when preparing data for core API that expects slashed data.
 * This should not be used to escape data going directly into an SQL query.
 *
 * @since 3.6.0
 *
 * @param string|array $value String or array of strings to slash.
 * @return string|array Slashed $value
 */
function wp_slash( $value ) {
    if ( is_array( $value ) ) {
        foreach ( $value as $k => $v ) {
            if ( is_array( $v ) ) {
                $value[$k] = wp_slash( $v );
            } else {
                $value[$k] = addslashes( $v );
            }
        }
    } else {
        $value = addslashes( $value );
    }

    return $value;
}

/**
 * Remove slashes from a string or array of strings.
 *
 * This should be used to remove slashes from data passed to core API that
 * expects data to be unslashed.
 *
 * @since 3.6.0
 *
 * @param string|array $value String or array of strings to unslash.
 * @return string|array Unslashed $value
 */
function wp_unslash( $value ) {
    return stripslashes_deep( $value );
}

/**
 * Extract and return the first URL from passed content.
 *
 * @since 3.6.0
 *
 * @param string $content A string which might contain a URL.
 * @return string|false The found URL.
 */
function get_url_in_content( $content ) {
    if ( empty( $content ) ) {
        return false;
    }

    if ( preg_match( '/<a\s[^>]*?href=([\'"])(.+?)\1/is', $content, $matches ) ) {
        return esc_url_raw( $matches[2] );
    }

    return false;
}

/**
 * Returns the regexp for common whitespace characters.
 *
 * By default, spaces include new lines, tabs, nbsp entities, and the UTF-8 nbsp.
 * This is designed to replace the PCRE \s sequence.  In ticket #22692, that
 * sequence was found to be unreliable due to random inclusion of the A0 byte.
 *
 * @since 4.0.0
 *
 * @staticvar string $spaces
 *
 * @return string The spaces regexp.
 */
function wp_spaces_regexp() {
    static $spaces = '';

    if ( empty( $spaces ) ) {
        /**
         * Filters the regexp for common whitespace characters.
         *
         * This string is substituted for the \s sequence as needed in regular
         * expressions. For websites not written in English, different characters
         * may represent whitespace. For websites not encoded in UTF-8, the 0xC2 0xA0
         * sequence may not be in use.
         *
         * @since 4.0.0
         *
         * @param string $spaces Regexp pattern for matching common whitespace characters.
         */
        $spaces = apply_filters( 'wp_spaces_regexp', '[\r\n\t ]|\xC2\xA0| ' );
    }

    return $spaces;
}

/**
 * Print the important emoji-related styles.
 *
 * @since 4.2.0
 *
 * @staticvar bool $printed
 */
function print_emoji_styles() {
    static $printed = false;

    if ( $printed ) {
        return;
    }

    $printed = true;
?>
<style type="text/css">
img.wp-smiley,
img.emoji {
    display: inline !important;
    border: none !important;
    box-shadow: none !important;
    height: 1em !important;
    width: 1em !important;
    margin: 0 .07em !important;
    vertical-align: -0.1em !important;
    background: none !important;
    padding: 0 !important;
}
</style>
<?php
}

/**
 * Print the inline Emoji detection script if it is not already printed.
 *
 * @since 4.2.0
 * @staticvar bool $printed
 */
function print_emoji_detection_script() {
    static $printed = false;

    if ( $printed ) {
        return;
    }

    $printed = true;

    _print_emoji_detection_script();
}

/**
 * Prints inline Emoji dection script
 *
 * @ignore
 * @since 4.6.0
 * @access private
 */
function _print_emoji_detection_script() {
    $settings = array(
        /**
         * Filters the URL where emoji png images are hosted.
         *
         * @since 4.2.0
         *
         * @param string The emoji base URL for png images.
         */
        'baseUrl' => apply_filters( 'emoji_url', 'https://s.w.org/images/core/emoji/2.4/72x72/' ),

        /**
         * Filters the extension of the emoji png files.
         *
         * @since 4.2.0
         *
         * @param string The emoji extension for png files. Default .png.
         */
        'ext' => apply_filters( 'emoji_ext', '.png' ),

        /**
         * Filters the URL where emoji SVG images are hosted.
         *
         * @since 4.6.0
         *
         * @param string The emoji base URL for svg images.
         */
        'svgUrl' => apply_filters( 'emoji_svg_url', 'https://s.w.org/images/core/emoji/2.4/svg/' ),

        /**
         * Filters the extension of the emoji SVG files.
         *
         * @since 4.6.0
         *
         * @param string The emoji extension for svg files. Default .svg.
         */
        'svgExt' => apply_filters( 'emoji_svg_ext', '.svg' ),
    );

    $version = 'ver=' . get_bloginfo( 'version' );

    if ( SCRIPT_DEBUG ) {
        $settings['source'] = array(
            /** This filter is documented in wp-includes/class.wp-scripts.php */
            'wpemoji' => apply_filters( 'script_loader_src', includes_url( "js/wp-emoji.js?$version" ), 'wpemoji' ),
            /** This filter is documented in wp-includes/class.wp-scripts.php */
            'twemoji' => apply_filters( 'script_loader_src', includes_url( "js/twemoji.js?$version" ), 'twemoji' ),
        );

        ?>
        <script type="text/javascript">
            window._wpemojiSettings = <?php echo wp_json_encode( $settings ); ?>;
            <?php readfile( ABSPATH . WPINC . "/js/wp-emoji-loader.js" ); ?>
        </script>
        <?php
    } else {
        $settings['source'] = array(
            /** This filter is documented in wp-includes/class.wp-scripts.php */
            'concatemoji' => apply_filters( 'script_loader_src', includes_url( "js/wp-emoji-release.min.js?$version" ), 'concatemoji' ),
        );

        /*
         * If you're looking at a src version of this file, you'll see an "include"
         * statement below. This is used by the `grunt build` process to directly
         * include a minified version of wp-emoji-loader.js, instead of using the
         * readfile() method from above.
         *
         * If you're looking at a build version of this file, you'll see a string of
         * minified JavaScript. If you need to debug it, please turn on SCRIPT_DEBUG
         * and edit wp-emoji-loader.js directly.
         */
        ?>
        <script type="text/javascript">
            window._wpemojiSettings = <?php echo wp_json_encode( $settings ); ?>;
            !function(a,b,c){function d(a,b){var c=String.fromCharCode;l.clearRect(0,0,k.width,k.height),l.fillText(c.apply(this,a),0,0);var d=k.toDataURL();l.clearRect(0,0,k.width,k.height),l.fillText(c.apply(this,b),0,0);var e=k.toDataURL();return d===e}function e(a){var b;if(!l||!l.fillText)return!1;switch(l.textBaseline="top",l.font="600 32px Arial",a){case"flag":return!(b=d([55356,56826,55356,56819],[55356,56826,8203,55356,56819]))&&(b=d([55356,57332,56128,56423,56128,56418,56128,56421,56128,56430,56128,56423,56128,56447],[55356,57332,8203,56128,56423,8203,56128,56418,8203,56128,56421,8203,56128,56430,8203,56128,56423,8203,56128,56447]),!b);case"emoji":return b=d([55357,56692,8205,9792,65039],[55357,56692,8203,9792,65039]),!b}return!1}function f(a){var c=b.createElement("script");c.src=a,c.defer=c.type="text/javascript",b.getElementsByTagName("head")[0].appendChild(c)}var g,h,i,j,k=b.createElement("canvas"),l=k.getContext&&k.getContext("2d");for(j=Array("flag","emoji"),c.supports={everything:!0,everythingExceptFlag:!0},i=0;i<j.length;i++)c.supports[j[i]]=e(j[i]),c.supports.everything=c.supports.everything&&c.supports[j[i]],"flag"!==j[i]&&(c.supports.everythingExceptFlag=c.supports.everythingExceptFlag&&c.supports[j[i]]);c.supports.everythingExceptFlag=c.supports.everythingExceptFlag&&!c.supports.flag,c.DOMReady=!1,c.readyCallback=function(){c.DOMReady=!0},c.supports.everything||(h=function(){c.readyCallback()},b.addEventListener?(b.addEventListener("DOMContentLoaded",h,!1),a.addEventListener("load",h,!1)):(a.attachEvent("onload",h),b.attachEvent("onreadystatechange",function(){"complete"===b.readyState&&c.readyCallback()})),g=c.source||{},g.concatemoji?f(g.concatemoji):g.wpemoji&&g.twemoji&&(f(g.twemoji),f(g.wpemoji)))}(window,document,window._wpemojiSettings);
        </script>
        <?php
    }
}

/**
 * Convert emoji characters to their equivalent HTML entity.
 *
 * This allows us to store emoji in a DB using the utf8 character set.
 *
 * @since 4.2.0
 *
 * @param string $content The content to encode.
 * @return string The encoded content.
 */
function wp_encode_emoji( $content ) {
    $emoji = _wp_emoji_list( 'partials' );

    foreach ( $emoji as $emojum ) {
        if ( version_compare( phpversion(), '5.4', '<' ) ) {
            $emoji_char = html_entity_decode( $emojum, ENT_COMPAT, 'UTF-8' );
        } else {
            $emoji_char = html_entity_decode( $emojum );
        }
        if ( false !== strpos( $content, $emoji_char ) ) {
            $content = preg_replace( "/$emoji_char/", $emojum, $content );
        }
    }

    return $content;
}

/**
 * Convert emoji to a static img element.
 *
 * @since 4.2.0
 *
 * @param string $text The content to encode.
 * @return string The encoded content.
 */
function wp_staticize_emoji( $text ) {
    if ( false === strpos( $text, '&#x' ) ) {
        if ( ( function_exists( 'mb_check_encoding' ) && mb_check_encoding( $text, 'ASCII' ) ) || ! preg_match( '/[^\x00-\x7F]/', $text ) ) {
            // The text doesn't contain anything that might be emoji, so we can return early.
            return $text;
        } else {
            $encoded_text = wp_encode_emoji( $text );
            if ( $encoded_text === $text ) {
                return $encoded_text;
            }

            $text = $encoded_text;
        }
    }

    $emoji = _wp_emoji_list( 'entities' );

    // Quickly narrow down the list of emoji that might be in the text and need replacing.
    $possible_emoji = array();
    foreach( $emoji as $emojum ) {
        if ( false !== strpos( $text, $emojum ) ) {
            if ( version_compare( phpversion(), '5.4', '<' ) ) {
                $possible_emoji[ $emojum ] = html_entity_decode( $emojum, ENT_COMPAT, 'UTF-8' );
            } else {
                $possible_emoji[ $emojum ] = html_entity_decode( $emojum );
            }
        }
    }

    if ( ! $possible_emoji ) {
        return $text;
    }

    /** This filter is documented in wp-includes/formatting.php */
    $cdn_url = apply_filters( 'emoji_url', 'https://s.w.org/images/core/emoji/2.4/72x72/' );

    /** This filter is documented in wp-includes/formatting.php */
    $ext = apply_filters( 'emoji_ext', '.png' );

    $output = '';
    /*
     * HTML loop taken from smiley function, which was taken from texturize function.
     * It'll never be consolidated.
     *
     * First, capture the tags as well as in between.
     */
    $textarr = preg_split( '/(<.*>)/U', $text, -1, PREG_SPLIT_DELIM_CAPTURE );
    $stop = count( $textarr );

    // Ignore processing of specific tags.
    $tags_to_ignore = 'code|pre|style|script|textarea';
    $ignore_block_element = '';

    for ( $i = 0; $i < $stop; $i++ ) {
        $content = $textarr[$i];

        // If we're in an ignore block, wait until we find its closing tag.
        if ( '' == $ignore_block_element && preg_match( '/^<(' . $tags_to_ignore . ')>/', $content, $matches ) )  {
            $ignore_block_element = $matches[1];
        }

        // If it's not a tag and not in ignore block.
        if ( '' ==  $ignore_block_element && strlen( $content ) > 0 && '<' != $content[0] && false !== strpos( $content, '&#x' ) ) {
            foreach ( $possible_emoji as $emojum => $emoji_char ) {
                if ( false === strpos( $content, $emojum ) ) {
                    continue;
                }

                $file = str_replace( ';&#x', '-', $emojum );
                $file = str_replace( array( '&#x', ';'), '', $file );

                $entity = sprintf( '<img src="%s" alt="%s" class="wp-smiley" style="height: 1em; max-height: 1em;" />', $cdn_url . $file . $ext, $emoji_char );

                $content = str_replace( $emojum, $entity, $content );
            }
        }

        // Did we exit ignore block.
        if ( '' != $ignore_block_element && '</' . $ignore_block_element . '>' == $content )  {
            $ignore_block_element = '';
        }

        $output .= $content;
    }

    // Finally, remove any stray U+FE0F characters
    $output = str_replace( '️', '', $output );

    return $output;
}

/**
 * Convert emoji in emails into static images.
 *
 * @since 4.2.0
 *
 * @param array $mail The email data array.
 * @return array The email data array, with emoji in the message staticized.
 */
function wp_staticize_emoji_for_email( $mail ) {
    if ( ! isset( $mail['message'] ) ) {
        return $mail;
    }

    /*
     * We can only transform the emoji into images if it's a text/html email.
     * To do that, here's a cut down version of the same process that happens
     * in wp_mail() - get the Content-Type from the headers, if there is one,
     * then pass it through the wp_mail_content_type filter, in case a plugin
     * is handling changing the Content-Type.
     */
    $headers = array();
    if ( isset( $mail['headers'] ) ) {
        if ( is_array( $mail['headers'] ) ) {
            $headers = $mail['headers'];
        } else {
            $headers = explode( "\n", str_replace( "\r\n", "\n", $mail['headers'] ) );
        }
    }

    foreach ( $headers as $header ) {
        if ( strpos($header, ':') === false ) {
            continue;
        }

        // Explode them out.
        list( $name, $content ) = explode( ':', trim( $header ), 2 );

        // Cleanup crew.
        $name    = trim( $name    );
        $content = trim( $content );

        if ( 'content-type' === strtolower( $name ) ) {
            if ( strpos( $content, ';' ) !== false ) {
                list( $type, $charset ) = explode( ';', $content );
                $content_type = trim( $type );
            } else {
                $content_type = trim( $content );
            }
            break;
        }
    }

    // Set Content-Type if we don't have a content-type from the input headers.
    if ( ! isset( $content_type ) ) {
        $content_type = 'text/plain';
    }

    /** This filter is documented in wp-includes/pluggable.php */
    $content_type = apply_filters( 'wp_mail_content_type', $content_type );

    if ( 'text/html' === $content_type ) {
        $mail['message'] = wp_staticize_emoji( $mail['message'] );
    }

    return $mail;
}

/**
 * Returns a arrays of emoji data.
 *
 * These arrays automatically built from the regex in twemoji.js - if they need to be updated,
 * you should update the regex there, then run the `grunt precommit:emoji` job.
 *
 * @since 4.9.0
 * @access private
 *
 * @param string $type Optional. Which array type to return. Accepts 'partials' or 'entities', default 'entities'.
 * @return array An array to match all emoji that WordPress recognises.
 */
function _wp_emoji_list( $type = 'entities' ) {
    // Do not remove the START/END comments - they're used to find where to insert the arrays.

    // START: emoji arrays
    $entities = array('👩‍❤️‍💋‍👩','👩‍❤️‍💋‍👨','👨‍❤️‍💋‍👨','🏴󠁧󠁢󠁳󠁣󠁴󠁿','🏴󠁧󠁢󠁷󠁬󠁳󠁿','🏴󠁧󠁢󠁥󠁮󠁧󠁿','👩‍👩‍👧‍👦','👨‍👨‍👦‍👦','👩‍👩‍👦‍👦','👨‍👨‍👧‍👦','👨‍👨‍👧‍👧','👨‍👩‍👧‍👧','👨‍👩‍👦‍👦','👩‍👩‍👧‍👧','👨‍👩‍👧‍👦','👨‍❤️‍👨','👩‍❤️‍👨','👩‍❤️‍👩','👩‍👩‍👦','👩‍👦‍👦','👩‍👧‍👦','👩‍👧‍👧','👨‍👨‍👦','👨‍👩‍👧','👨‍👧‍👧','👨‍👧‍👦','👩‍👩‍👧','👨‍👩‍👦','👨‍👨‍👧','👨‍👦‍👦','👩🏾‍✈️','🏋🏻‍♂️','🏋🏼‍♀️','🏋🏼‍♂️','🏋🏽‍♀️','🏋🏽‍♂️','🏋🏾‍♀️','🏋🏾‍♂️','🏋🏿‍♀️','🏋🏿‍♂️','🏌🏻‍♀️','🏌🏻‍♂️','🏌🏼‍♀️','🏌🏼‍♂️','🏌🏽‍♀️','🏌🏽‍♂️','🏌🏾‍♀️','🏌🏾‍♂️','🏌🏿‍♀️','🏌🏿‍♂️','💆🏻‍♀️','🏃🏼‍♀️','🏃🏼‍♂️','🧝🏿‍♂️','🧝🏿‍♀️','🧝🏾‍♂️','🧝🏾‍♀️','🧝🏽‍♂️','🧝🏽‍♀️','🧝🏼‍♂️','🧝🏼‍♀️','🧝🏻‍♂️','🧝🏻‍♀️','🧜🏿‍♂️','🧜🏿‍♀️','🧜🏾‍♂️','🧜🏾‍♀️','👨🏻‍⚕️','👨🏻‍⚖️','👨🏻‍✈️','🧜🏽‍♂️','🧜🏽‍♀️','🧜🏼‍♂️','🧜🏼‍♀️','🧜🏻‍♂️','🧜🏻‍♀️','🧛🏿‍♂️','🧛🏿‍♀️','🧛🏾‍♂️','🧛🏾‍♀️','🧛🏽‍♂️','🧛🏽‍♀️','🧛🏼‍♂️','👨🏼‍⚕️','👨🏼‍⚖️','👨🏼‍✈️','🧛🏼‍♀️','🧛🏻‍♂️','🧛🏻‍♀️','🧚🏿‍♂️','🧚🏿‍♀️','🧚🏾‍♂️','🧚🏾‍♀️','🧚🏽‍♂️','🧚🏽‍♀️','🧚🏼‍♂️','🧚🏼‍♀️','🧚🏻‍♂️','🧚🏻‍♀️','👨🏽‍⚕️','👨🏽‍⚖️','👨🏽‍✈️','🧙🏿‍♂️','🧙🏿‍♀️','🧙🏾‍♂️','🧙🏾‍♀️','🧙🏽‍♂️','🧙🏽‍♀️','🧙🏼‍♂️','🧙🏼‍♀️','🧙🏻‍♂️','🧙🏻‍♀️','🧘🏿‍♂️','🧘🏿‍♀️','🧘🏾‍♂️','👨🏾‍⚕️','👨🏾‍⚖️','👨🏾‍✈️','🧘🏾‍♀️','🧘🏽‍♂️','🧘🏽‍♀️','🧘🏼‍♂️','🧘🏼‍♀️','🧘🏻‍♂️','🧘🏻‍♀️','🧗🏿‍♂️','🧗🏿‍♀️','🧗🏾‍♂️','🧗🏾‍♀️','🧗🏽‍♂️','🧗🏽‍♀️','👨🏿‍⚕️','👨🏿‍⚖️','👨🏿‍✈️','🧗🏼‍♂️','🧗🏼‍♀️','🧗🏻‍♂️','🧗🏻‍♀️','🧖🏿‍♂️','🧖🏿‍♀️','🧖🏾‍♂️','🏃🏽‍♀️','🧖🏾‍♀️','🏃🏽‍♂️','🏃🏾‍♀️','🧖🏽‍♂️','🏃🏾‍♂️','🏃🏿‍♀️','🏃🏿‍♂️','🏄🏻‍♀️','🏄🏻‍♂️','🏄🏼‍♀️','🏄🏼‍♂️','🏄🏽‍♀️','🏄🏽‍♂️','🏄🏾‍♀️','🧖🏽‍♀️','🧖🏼‍♂️','🧖🏼‍♀️','🧖🏻‍♂️','🧖🏻‍♀️','🤾🏿‍♂️','🤾🏿‍♀️','🤾🏾‍♂️','🤾🏾‍♀️','🏄🏾‍♂️','🏄🏿‍♀️','🤾🏽‍♂️','🤾🏽‍♀️','🤾🏼‍♂️','🤾🏼‍♀️','🤾🏻‍♂️','🤾🏻‍♀️','🤽🏿‍♂️','🤽🏿‍♀️','🤽🏾‍♂️','🤽🏾‍♀️','🤽🏽‍♂️','🤽🏽‍♀️','🤽🏼‍♂️','👩🏻‍⚕️','👩🏻‍⚖️','👩🏻‍✈️','🤽🏼‍♀️','🤽🏻‍♂️','🤽🏻‍♀️','🤹🏿‍♂️','🤹🏿‍♀️','🤹🏾‍♂️','🤹🏾‍♀️','🤹🏽‍♂️','🤹🏽‍♀️','🤹🏼‍♂️','🤹🏼‍♀️','🤹🏻‍♂️','🤹🏻‍♀️','👩🏼‍⚕️','👩🏼‍⚖️','👩🏼‍✈️','🤸🏿‍♂️','🤸🏿‍♀️','🤸🏾‍♂️','🤸🏾‍♀️','🤸🏽‍♂️','🤸🏽‍♀️','🤸🏼‍♂️','🤸🏼‍♀️','🤸🏻‍♂️','🤸🏻‍♀️','🤷🏿‍♂️','🤷🏿‍♀️','🤷🏾‍♂️','👩🏽‍⚕️','👩🏽‍⚖️','👩🏽‍✈️','🤷🏾‍♀️','🤷🏽‍♂️','🤷🏽‍♀️','🤷🏼‍♂️','🤷🏼‍♀️','🤷🏻‍♂️','🤷🏻‍♀️','🤵🏿‍♂️','🤵🏿‍♀️','🤵🏾‍♂️','🤵🏾‍♀️','🤵🏽‍♂️','🤵🏽‍♀️','👩🏾‍⚕️','👩🏾‍⚖️','🏃🏻‍♂️','🤵🏼‍♂️','🤵🏼‍♀️','🤵🏻‍♂️','🤵🏻‍♀️','🤦🏿‍♂️','🤦🏿‍♀️','🤦🏾‍♂️','🤦🏾‍♀️','🤦🏽‍♂️','🤦🏽‍♀️','🤦🏼‍♂️','🤦🏼‍♀️','🤦🏻‍♂️','👩🏿‍⚕️','👩🏿‍⚖️','👩🏿‍✈️','🤦🏻‍♀️','🚶🏿‍♂️','🚶🏿‍♀️','🚶🏾‍♂️','🚶🏾‍♀️','🚶🏽‍♂️','🚶🏽‍♀️','🏄🏿‍♂️','🚶🏼‍♂️','🏊🏻‍♀️','🏊🏻‍♂️','🚶🏼‍♀️','🏊🏼‍♀️','🏊🏼‍♂️','🏊🏽‍♀️','🏊🏽‍♂️','🏊🏾‍♀️','🚶🏻‍♂️','🚶🏻‍♀️','🚵🏿‍♂️','🚵🏿‍♀️','🚵🏾‍♂️','🚵🏾‍♀️','🚵🏽‍♂️','🚵🏽‍♀️','🚵🏼‍♂️','🏊🏾‍♂️','🏊🏿‍♀️','🏊🏿‍♂️','🏋🏻‍♀️','👮🏻‍♀️','👮🏻‍♂️','👮🏼‍♀️','👮🏼‍♂️','👮🏽‍♀️','👮🏽‍♂️','👮🏾‍♀️','👮🏾‍♂️','👮🏿‍♀️','👮🏿‍♂️','🚵🏼‍♀️','🚵🏻‍♂️','🚵🏻‍♀️','🚴🏿‍♂️','👱🏻‍♀️','👱🏻‍♂️','👱🏼‍♀️','👱🏼‍♂️','👱🏽‍♀️','👱🏽‍♂️','👱🏾‍♀️','👱🏾‍♂️','👱🏿‍♀️','👱🏿‍♂️','🚴🏿‍♀️','🚴🏾‍♂️','👳🏻‍♀️','👳🏻‍♂️','👳🏼‍♀️','👳🏼‍♂️','👳🏽‍♀️','👳🏽‍♂️','👳🏾‍♀️','👳🏾‍♂️','👳🏿‍♀️','👳🏿‍♂️','🚴🏾‍♀️','🚴🏽‍♂️','👷🏻‍♀️','👷🏻‍♂️','👷🏼‍♀️','👷🏼‍♂️','👷🏽‍♀️','👷🏽‍♂️','👷🏾‍♀️','👷🏾‍♂️','👷🏿‍♀️','👷🏿‍♂️','🚴🏽‍♀️','🚴🏼‍♂️','💁🏻‍♀️','💁🏻‍♂️','💁🏼‍♀️','💁🏼‍♂️','💁🏽‍♀️','💁🏽‍♂️','💁🏾‍♀️','💁🏾‍♂️','💁🏿‍♀️','💁🏿‍♂️','🚴🏼‍♀️','🚴🏻‍♂️','💂🏻‍♀️','💂🏻‍♂️','💂🏼‍♀️','💂🏼‍♂️','💂🏽‍♀️','💂🏽‍♂️','💂🏾‍♀️','💂🏾‍♂️','💂🏿‍♀️','💂🏿‍♂️','🚴🏻‍♀️','🚣🏿‍♂️','🏃🏻‍♀️','💆🏻‍♂️','💆🏼‍♀️','💆🏼‍♂️','💆🏽‍♀️','💆🏽‍♂️','💆🏾‍♀️','💆🏾‍♂️','💆🏿‍♀️','💆🏿‍♂️','🚣🏿‍♀️','🚣🏾‍♂️','💇🏻‍♀️','💇🏻‍♂️','💇🏼‍♀️','💇🏼‍♂️','💇🏽‍♀️','💇🏽‍♂️','💇🏾‍♀️','💇🏾‍♂️','💇🏿‍♀️','💇🏿‍♂️','🚣🏾‍♀️','🚣🏽‍♂️','🕴🏻‍♀️','🕴🏻‍♂️','🕴🏼‍♀️','🕴🏼‍♂️','🕴🏽‍♀️','🕴🏽‍♂️','🕴🏾‍♀️','🕴🏾‍♂️','🕴🏿‍♀️','🕴🏿‍♂️','🕵🏻‍♀️','🕵🏻‍♂️','🕵🏼‍♀️','🕵🏼‍♂️','🕵🏽‍♀️','🕵🏽‍♂️','🕵🏾‍♀️','🕵🏾‍♂️','🕵🏿‍♀️','🕵🏿‍♂️','🙅🏻‍♀️','🙅🏻‍♂️','🙅🏼‍♀️','🙅🏼‍♂️','🙅🏽‍♀️','🙅🏽‍♂️','🙅🏾‍♀️','🙅🏾‍♂️','🙅🏿‍♀️','🙅🏿‍♂️','🚣🏽‍♀️','🚣🏼‍♂️','🙆🏻‍♀️','🙆🏻‍♂️','🙆🏼‍♀️','🙆🏼‍♂️','🙆🏽‍♀️','🙆🏽‍♂️','🙆🏾‍♀️','🙆🏾‍♂️','🙆🏿‍♀️','🙆🏿‍♂️','🚣🏼‍♀️','🚣🏻‍♂️','🙇🏻‍♀️','🙇🏻‍♂️','🙇🏼‍♀️','🙇🏼‍♂️','🙇🏽‍♀️','🙇🏽‍♂️','🙇🏾‍♀️','🙇🏾‍♂️','🙇🏿‍♀️','🙇🏿‍♂️','🚣🏻‍♀️','🙎🏿‍♂️','🙋🏻‍♀️','🙋🏻‍♂️','🙋🏼‍♀️','🙋🏼‍♂️','🙋🏽‍♀️','🙋🏽‍♂️','🙋🏾‍♀️','🙋🏾‍♂️','🙋🏿‍♀️','🙋🏿‍♂️','🙎🏿‍♀️','🙎🏾‍♂️','🙍🏻‍♀️','🙍🏻‍♂️','🙍🏼‍♀️','🙍🏼‍♂️','🙍🏽‍♀️','🙍🏽‍♂️','🙍🏾‍♀️','🙍🏾‍♂️','🙍🏿‍♀️','🙍🏿‍♂️','🙎🏾‍♀️','🙎🏽‍♂️','🙎🏻‍♀️','🙎🏻‍♂️','🙎🏼‍♀️','🙎🏼‍♂️','🙎🏽‍♀️','🏋️‍♀️','🕵️‍♀️','🕵️‍♂️','🏋️‍♂️','⛹🏾‍♀️','🏌️‍♀️','🕴️‍♀️','🕴️‍♂️','🏌️‍♂️','⛹🏻‍♂️','⛹🏻‍♀️','⛹🏾‍♂️','⛹🏿‍♀️','⛹🏿‍♂️','⛹🏽‍♀️','⛹🏽‍♂️','⛹🏼‍♀️','⛹🏼‍♂️','⛹️‍♀️','⛹️‍♂️','👩🏻‍🏭','👨🏻‍🌾','👨🏻‍🍳','👨🏻‍🎓','👨🏻‍🎤','👨🏻‍🎨','👨🏻‍🏫','👨🏻‍🏭','👨🏻‍💻','👨🏻‍💼','👨🏻‍🔧','👨🏻‍🔬','👨🏻‍🚀','👨🏻‍🚒','👨🏼‍🌾','👨🏼‍🍳','👨🏼‍🎓','👨🏼‍🎤','👨🏼‍🎨','👨🏼‍🏫','👨🏼‍🏭','👨🏼‍💻','👨🏼‍💼','👨🏼‍🔧','👨🏼‍🔬','👨🏼‍🚀','👨🏼‍🚒','👨🏽‍🌾','👨🏽‍🍳','👨🏽‍🎓','👨🏽‍🎤','👨🏽‍🎨','👨🏽‍🏫','👨🏽‍🏭','👨🏽‍💻','👨🏽‍💼','👨🏽‍🔧','👨🏽‍🔬','👨🏽‍🚀','👨🏽‍🚒','👨🏾‍🌾','👨🏾‍🍳','👨🏾‍🎓','👨🏾‍🎤','👨🏾‍🎨','👨🏾‍🏫','👨🏾‍🏭','👨🏾‍💻','👨🏾‍💼','👨🏾‍🔧','👨🏾‍🔬','👨🏾‍🚀','👨🏾‍🚒','👩🏿‍🚒','👩🏿‍🚀','👩🏿‍🔬','👩🏿‍🔧','👩🏿‍💼','👩🏿‍💻','👩🏿‍🏭','👩🏿‍🏫','👩🏿‍🎨','👨🏿‍🌾','👨🏿‍🍳','👩🏿‍🎤','👩🏿‍🎓','👩🏿‍🍳','👩🏿‍🌾','👩🏾‍🚒','👩🏾‍🚀','👩🏾‍🔬','👩🏾‍🔧','👩🏾‍💼','👩🏾‍💻','👨🏿‍🎓','👨🏿‍🎤','👩🏾‍🏭','👩🏾‍🏫','👩🏾‍🎨','👩🏾‍🎤','👩🏾‍🎓','👩🏾‍🍳','👩🏾‍🌾','👩🏽‍🚒','👩🏽‍🚀','👩🏽‍🔬','👨🏿‍🎨','👨🏿‍🏫','👩🏽‍🔧','👩🏽‍💼','👩🏽‍💻','👩🏽‍🏭','👩🏽‍🏫','👩🏽‍🎨','👩🏽‍🎤','👩🏽‍🎓','👩🏽‍🍳','👩🏽‍🌾','👨🏿‍🏭','👨🏿‍💻','👩🏼‍🚒','👩🏼‍🚀','👩🏼‍🔬','👩🏼‍🔧','👩🏼‍💼','👩🏼‍💻','👩🏼‍🏭','👩🏼‍🏫','👩🏼‍🎨','👩🏼‍🎤','👨🏿‍💼','👨🏿‍🔧','👨🏿‍🔬','👨🏿‍🚀','👩🏼‍🎓','👩🏼‍🍳','👩🏼‍🌾','👩🏻‍🚒','👩🏻‍🚀','👩🏻‍🔬','👩🏻‍🔧','👩🏻‍💼','👩🏻‍💻','👨🏿‍🚒','👩🏻‍🌾','👩🏻‍🍳','👩🏻‍🏫','👩🏻‍🎨','👩🏻‍🎤','👩🏻‍🎓','🏳️‍🌈','🤽‍♂️','👨‍✈️','👨‍⚖️','👨‍⚕️','🏃‍♀️','🤾‍♀️','🤾‍♂️','🏃‍♂️','🏄‍♀️','🏄‍♂️','🏊‍♀️','🏊‍♂️','🙋‍♂️','🙋‍♀️','🙍‍♂️','🏴‍☠️','🧟‍♂️','🧖‍♀️','🧖‍♂️','🧟‍♀️','🧞‍♂️','🧞‍♀️','🧝‍♂️','🙍‍♀️','🤼‍♂️','🤼‍♀️','🤹‍♂️','🤹‍♀️','🤸‍♂️','🧗‍♀️','🧗‍♂️','🤸‍♀️','🤷‍♂️','🤷‍♀️','🤵‍♂️','🤵‍♀️','🤦‍♂️','🤦‍♀️','🧝‍♀️','🚶‍♂️','🚶‍♀️','🧘‍♀️','🧘‍♂️','🙇‍♂️','🙎‍♀️','🙎‍♂️','🙇‍♀️','🙆‍♂️','🙆‍♀️','🙅‍♂️','🙅‍♀️','💇‍♂️','🧜‍♂️','🧙‍♀️','🧙‍♂️','🚵‍♂️','🚵‍♀️','🧜‍♀️','🤽‍♀️','💇‍♀️','💆‍♂️','👩‍⚕️','👩‍⚖️','👩‍✈️','👮‍♀️','🧚‍♀️','🧚‍♂️','👮‍♂️','👯‍♀️','🚴‍♂️','🚴‍♀️','👯‍♂️','👱‍♀️','👱‍♂️','👳‍♀️','👳‍♂️','👷‍♀️','🧛‍♀️','🧛‍♂️','👷‍♂️','💁‍♀️','💁‍♂️','💂‍♀️','🚣‍♂️','🚣‍♀️','💂‍♂️','💆‍♀️','👨‍🌾','👩‍🚒','👩‍🔧','👩‍💼','👩‍💻','👩‍👧','👩‍👦','👩‍🏭','👩‍🏫','👩‍🎨','👩‍🎤','👩‍🎓','👩‍🍳','👁‍🗨','👩‍🌾','👩‍🚀','👨‍🍳','👨‍🎓','👨‍🎤','👨‍🎨','👨‍🏫','👨‍🏭','👨‍👦','👨‍👧','👨‍💻','👨‍💼','👨‍🔧','👨‍🔬','👨‍🚀','👨‍🚒','👩‍🔬','👳🏾','🇧🇿','🇨🇦','👳🏿','🏋🏻','🇨🇨','👴🏻','👴🏼','👴🏽','👴🏾','👴🏿','👵🏻','👵🏼','👵🏽','👵🏾','👵🏿','👶🏻','👶🏼','👶🏽','👶🏾','👶🏿','🇨🇩','🏋🏼','👷🏻','🇨🇫','🇨🇬','👷🏼','🏋🏽','🇨🇭','👷🏽','🇨🇮','🏋🏾','👷🏾','🇨🇰','🇨🇱','👷🏿','🏋🏿','🇨🇲','👸🏻','👸🏼','👸🏽','👸🏾','👸🏿','👼🏻','👼🏼','👼🏽','👼🏾','👼🏿','🇨🇳','🇨🇴','💁🏻','🇨🇵','🏌🏻','💁🏼','🇨🇷','🇨🇺','💁🏽','🏌🏼','🇨🇻','💁🏾','🇨🇼','🏌🏽','💁🏿','🇨🇽','🇨🇾','🏌🏾','🇨🇿','💂🏻','🇩🇪','🏌🏿','💂🏼','🇩🇬','🇩🇯','💂🏽','🇩🇰','🇩🇲','💂🏾','🇩🇴','🇩🇿','💂🏿','🇪🇦','🇪🇨','💃🏻','💃🏼','💃🏽','💃🏾','💃🏿','💅🏻','💅🏼','💅🏽','💅🏾','💅🏿','👂🏻','👂🏼','💆🏻','👂🏽','👂🏾','💆🏼','👂🏿','👃🏻','💆🏽','👃🏼','👃🏽','💆🏾','👃🏾','👃🏿','💆🏿','👆🏻','👆🏼','👆🏽','👆🏾','💇🏻','👆🏿','👇🏻','💇🏼','👇🏼','👇🏽','💇🏽','👇🏾','👇🏿','💇🏾','👈🏻','👈🏼','💇🏿','👈🏽','👈🏾','💪🏻','💪🏼','💪🏽','💪🏾','💪🏿','👈🏿','👉🏻','🕴🏻','👉🏼','👉🏽','🕴🏼','👉🏾','👉🏿','🕴🏽','👊🏻','👊🏼','🕴🏾','👊🏽','👊🏾','🕴🏿','👊🏿','👋🏻','👋🏼','👋🏽','🕵🏻','👋🏾','👋🏿','🕵🏼','👌🏻','👌🏼','🕵🏽','👌🏽','👌🏾','🕵🏾','👌🏿','👍🏻','🕵🏿','👍🏼','👍🏽','🕺🏻','🕺🏼','🕺🏽','🕺🏾','🕺🏿','🖐🏻','🖐🏼','🖐🏽','🖐🏾','🖐🏿','🖕🏻','🖕🏼','🖕🏽','🖕🏾','🖕🏿','🖖🏻','🖖🏼','🖖🏽','🖖🏾','🖖🏿','👍🏾','👍🏿','🙅🏻','👎🏻','👎🏼','🙅🏼','👎🏽','👎🏾','🙅🏽','👎🏿','👏🏻','🙅🏾','👏🏼','👏🏽','🙅🏿','👏🏾','👏🏿','👐🏻','👐🏼','🙆🏻','👐🏽','👐🏾','🙆🏼','👐🏿','👦🏻','🙆🏽','👦🏼','👦🏽','🙆🏾','👦🏾','👦🏿','🙆🏿','👧🏻','👧🏼','👧🏽','👧🏾','🙇🏻','👧🏿','🇪🇪','🙇🏼','🇪🇬','🇪🇭','🙇🏽','🇪🇷','🇪🇸','🙇🏾','🇪🇹','🇪🇺','🙇🏿','🇫🇮','🇫🇯','🇫🇰','🇫🇲','🙋🏻','🇫🇴','🇫🇷','🙋🏼','🇬🇦','🇬🇧','🙋🏽','🇬🇩','👨🏻','🙋🏾','🇬🇪','🇬🇫','🙋🏿','🇬🇬','🇬🇭','🙌🏻','🙌🏼','🙌🏽','🙌🏾','🙌🏿','🇬🇮','🇬🇱','🙍🏻','🇬🇲','🇬🇳','🙍🏼','🇬🇵','🇬🇶','🙍🏽','🇬🇷','🇬🇸','🙍🏾','🇬🇹','🇬🇺','🙍🏿','🇬🇼','🇬🇾','👨🏼','🇭🇰','🙎🏻','🇭🇲','🇭🇳','🙎🏼','🇭🇷','🇭🇹','🙎🏽','🇭🇺','🇮🇨','🙎🏾','🇮🇩','🇮🇪','🙎🏿','🇮🇱','🇮🇲','🙏🏻','🙏🏼','🙏🏽','🙏🏾','🙏🏿','🇮🇳','🇮🇴','🚣🏻','🇮🇶','🇮🇷','🚣🏼','🇮🇸','👨🏽','🚣🏽','🇮🇹','🇯🇪','🚣🏾','🇯🇲','🇯🇴','🚣🏿','🇯🇵','🇰🇪','🇰🇬','🇰🇭','🚴🏻','🇰🇮','🇰🇲','🚴🏼','🇰🇳','🇰🇵','🚴🏽','🇰🇷','🇰🇼','🚴🏾','🇰🇾','🇰🇿','🚴🏿','👨🏾','🇱🇦','🇱🇧','🇱🇨','🚵🏻','🇱🇮','🇱🇰','🚵🏼','🇱🇷','🇱🇸','🚵🏽','🇱🇹','🇱🇺','🚵🏾','🇱🇻','🇱🇾','🚵🏿','🇲🇦','🇲🇨','🇲🇩','🇲🇪','🚶🏻','🇲🇫','👨🏿','🚶🏼','🇲🇬','🇲🇭','🚶🏽','🇲🇰','🇲🇱','🚶🏾','🇲🇲','🇲🇳','🚶🏿','🇲🇴','🇲🇵','🛀🏻','🛀🏼','🛀🏽','🛀🏾','🛀🏿','🛌🏻','🛌🏼','🛌🏽','🛌🏾','🛌🏿','🤘🏻','🤘🏼','🤘🏽','🤘🏾','🤘🏿','🤙🏻','🤙🏼','🤙🏽','🤙🏾','🤙🏿','🤚🏻','🤚🏼','🤚🏽','🤚🏾','🤚🏿','🤛🏻','🤛🏼','🤛🏽','🤛🏾','🤛🏿','🤜🏻','🤜🏼','🤜🏽','🤜🏾','🤜🏿','🤞🏻','🤞🏼','🤞🏽','🤞🏾','🤞🏿','🤟🏻','🤟🏼','🤟🏽','🤟🏾','🤟🏿','🇲🇶','🇲🇷','🤦🏻','🇲🇸','🇲🇹','🤦🏼','🇲🇺','🇲🇻','🤦🏽','🇲🇼','🇲🇽','🤦🏾','🇲🇾','🇲🇿','🤦🏿','🇳🇦','🇳🇨','🤰🏻','🤰🏼','🤰🏽','🤰🏾','🤰🏿','🤱🏻','🤱🏼','🤱🏽','🤱🏾','🤱🏿','🤲🏻','🤲🏼','🤲🏽','🤲🏾','🤲🏿','🤳🏻','🤳🏼','🤳🏽','🤳🏾','🤳🏿','🤴🏻','🤴🏼','🤴🏽','🤴🏾','🤴🏿','🇳🇪','🇳🇫','🤵🏻','🇳🇬','🇳🇮','🤵🏼','🇳🇱','🇳🇴','🤵🏽','🇳🇵','🇳🇷','🤵🏾','🇳🇺','🇳🇿','🤵🏿','🇴🇲','🇵🇦','🤶🏻','🤶🏼','🤶🏽','🤶🏾','🤶🏿','🇵🇪','🇵🇫','🤷🏻','🇵🇬','🇵🇭','🤷🏼','🇵🇰','🇵🇱','🤷🏽','🇵🇲','🇵🇳','🤷🏾','🇵🇷','🇵🇸','🤷🏿','🇵🇹','🇵🇼','🇵🇾','🇶🇦','🤸🏻','🇷🇪','🇷🇴','🤸🏼','🇷🇸','👩🏻','🤸🏽','🇷🇺','🇷🇼','🤸🏾','🇸🇦','🇸🇧','🤸🏿','🇸🇨','🇸🇩','🇸🇪','🇸🇬','🤹🏻','🇸🇭','🇸🇮','🤹🏼','🇸🇯','🇸🇰','🤹🏽','🇸🇱','🇸🇲','🤹🏾','🇸🇳','🇸🇴','🤹🏿','👩🏼','🇸🇷','🇸🇸','🇸🇹','🇸🇻','🇸🇽','🤽🏻','🇸🇾','🇸🇿','🤽🏼','🇹🇦','🇹🇨','🤽🏽','🇹🇩','🇹🇫','🤽🏾','🇹🇬','🇹🇭','🤽🏿','🇹🇯','🇹🇰','🇹🇱','👩🏽','🤾🏻','🇹🇲','🇹🇳','🤾🏼','🇹🇴','🇹🇷','🤾🏽','🇹🇹','🇹🇻','🤾🏾','🇹🇼','🇹🇿','🤾🏿','🇺🇦','🇺🇬','🧑🏻','🧑🏼','🧑🏽','🧑🏾','🧑🏿','🧒🏻','🧒🏼','🧒🏽','🧒🏾','🧒🏿','🧓🏻','🧓🏼','🧓🏽','🧓🏾','🧓🏿','🧔🏻','🧔🏼','🧔🏽','🧔🏾','🧔🏿','🧕🏻','🧕🏼','🧕🏽','🧕🏾','🧕🏿','🇺🇲','🇺🇳','🧖🏻','🇺🇸','🇺🇾','🧖🏼','🇺🇿','🇻🇦','🧖🏽','👩🏾','🇻🇨','🧖🏾','🇻🇪','🇻🇬','🧖🏿','🇻🇮','🇻🇳','🇻🇺','🇼🇫','🧗🏻','🇼🇸','🇽🇰','🧗🏼','🇾🇪','🇾🇹','🧗🏽','🇿🇦','🇿🇲','🧗🏾','🇿🇼','🎅🏻','🧗🏿','🎅🏼','👩🏿','🎅🏽','🎅🏾','🧘🏻','🎅🏿','🏂🏻','🧘🏼','🏂🏼','🏂🏽','🧘🏽','🏂🏾','🏂🏿','🧘🏾','🇦🇨','🇦🇪','🧘🏿','🏃🏻','🇦🇫','🇦🇬','🏃🏼','🧙🏻','🇦🇮','🇦🇱','🧙🏼','🏃🏽','🇦🇲','🧙🏽','🇦🇴','🏃🏾','🧙🏾','🇦🇶','🇦🇷','🧙🏿','🏃🏿','🇦🇸','🇦🇹','🇦🇺','🧚🏻','🇦🇼','🏄🏻','🧚🏼','🇦🇽','🇦🇿','🧚🏽','🏄🏼','🇧🇦','🧚🏾','👮🏻','🇧🇧','🧚🏿','🏄🏽','👮🏼','🇧🇩','🇧🇪','🧛🏻','👮🏽','🏄🏾','🧛🏼','🇧🇫','👮🏾','🧛🏽','🇧🇬','🏄🏿','🧛🏾','👮🏿','🇧🇭','🧛🏿','🇧🇮','🏇🏻','🏇🏼','👰🏻','🧜🏻','👰🏼','👰🏽','🧜🏼','👰🏾','👰🏿','🧜🏽','🏇🏽','🏇🏾','🧜🏾','👱🏻','🏇🏿','🧜🏿','🇧🇯','👱🏼','🇧🇱','🏊🏻','🧝🏻','👱🏽','🇧🇲','🧝🏼','🇧🇳','👱🏾','🧝🏽','🏊🏼','🇧🇴','🧝🏾','👱🏿','🇧🇶','🧝🏿','🏊🏽','👲🏻','👲🏼','👲🏽','👲🏾','👲🏿','🇧🇷','🇧🇸','👳🏻','🏊🏾','🇧🇹','👳🏼','🇧🇻','🏊🏿','👳🏽','🇧🇼','🇧🇾','🇦🇩','✍🏿','⛹🏻','✍🏾','✍🏽','✍🏼','✍🏻','✌🏿','✌🏾','✌🏽','✌🏼','✌🏻','✋🏿','✋🏾','✋🏽','✋🏼','✋🏻','✊🏿','✊🏾','✊🏽','✊🏼','✊🏻','⛷🏽','⛷🏾','⛹🏿','☝🏿','☝🏾','⛹🏾','☝🏽','☝🏼','⛹🏽','☝🏻','⛷🏿','⛹🏼','⛷🏻','⛷🏼','4⃣','#⃣','0⃣','1⃣','2⃣','3⃣','*⃣','5⃣','6⃣','7⃣','8⃣','9⃣','🏪','🎈','🎉','🎊','🎋','🎌','🎍','🎎','🎏','🎐','🎑','🎒','🎓','🎖','🎗','🎙','🎚','🕴','🎛','🎞','🎟','🎠','🎡','🎢','🎣','🎤','🎥','🎦','🎧','🎨','🎩','🎪','🎫','🎬','🎭','🕵','🕶','🕷','🕸','🕹','🎮','🎯','🎰','🎱','🎲','🕺','🖇','🖊','🖋','🖌','🖍','🎳','🎴','🎵','🎶','🎷','🖐','🎸','🎹','🎺','🎻','🎼','🖕','🎽','🎾','🎿','🏀','🏁','🖖','🖤','🖥','🖨','🖱','🖲','🖼','🗂','🗃','🗄','🗑','🗒','🗓','🗜','🗝','🗞','🗡','🗣','🗨','🗯','🗳','🗺','🗻','🗼','🗽','🗾','🗿','😀','😁','😂','😃','😄','😅','😆','😇','😈','😉','😊','😋','😌','😍','😎','😏','😐','😑','😒','😓','😔','😕','😖','😗','😘','😙','😚','😛','😜','😝','😞','😟','😠','😡','😢','😣','😤','😥','😦','😧','😨','😩','😪','😫','😬','😭','😮','😯','😰','😱','😲','😳','😴','😵','😶','😷','😸','😹','😺','😻','😼','😽','😾','😿','🙀','🙁','🙂','🙃','🙄','🇧','🇮','🇪','🇷','🇱','🏂','🆎','🆑','🇨','🇹','🇯','🆒','🇬','🆓','🇳','🆔','🇴','🙅','🇺','🇫','🆕','🆖','🆗','🇭','🏃','🆘','🇩','🇻','🇰','🆙','🇼','🆚','🇽','🇸','🀄','🙆','🇾','🇦','🅰','🅱','🇿','🈁','🈂','🏄','🏅','🏆','🈚','🈯','🈲','🈳','🈴','🏇','👨','🙇','🙈','🙉','🙊','🏈','🏉','🈵','🈶','🈷','🈸','🈹','🈺','🉐','🉑','🌀','🌁','🌂','🌃','🌄','🌅','🌆','🙋','🌇','🌈','🏊','🌉','🌊','🙌','🌋','🌌','🌍','🌎','🌏','🌐','🌑','🌒','🌓','🌔','🌕','🌖','🌗','🌘','🌙','🏋','🌚','🙍','🌛','🌜','🌝','🌞','🌟','🌠','🌡','🌤','🌥','🌦','🌧','🌨','🌩','🌪','🌫','🌬','🏌','🙎','🏍','🏎','🏏','🏐','🏑','🙏','🚀','🚁','🚂','🚃','🚄','🚅','🚆','🚇','🚈','🚉','🚊','🚋','🚌','🚍','🚎','🚏','🚐','🚑','🚒','🚓','🚔','🚕','🚖','🚗','🚘','🚙','🚚','🚛','🚜','🚝','🚞','🚟','🚠','🚡','🚢','🏒','🏓','🏔','🏕','🏖','🏗','🏘','🏙','🏚','🏛','🏜','🏝','🏞','🏟','🏠','🏡','🏢','🚣','🚤','🚥','🚦','🚧','🚨','🚩','🚪','🚫','🚬','🚭','🚮','🚯','🚰','🚱','🚲','🚳','🏣','🏤','🏥','🏦','🏧','🏨','🏩','🃏','🏫','🏬','🏭','🏮','🏯','🏰','🌭','🏳','🌮','🚴','🌯','🌰','🌱','🏴','🏵','🏷','🏸','🏹','🏺','🏻','🏼','🏽','🏾','🏿','🐀','🐁','🐂','🚵','🐃','🐄','🐅','👩','👪','👫','👬','👭','🐆','🐇','🐈','🐉','🐊','🐋','🐌','🐍','🐎','🚶','🚷','🚸','🚹','🚺','🚻','🚼','🚽','🚾','🚿','🐏','🐐','🐑','🐒','🐓','🛀','🛁','🛂','🛃','🛄','🛅','🛋','🐔','🐕','🐖','👮','🐗','🛌','🛍','🛎','🛏','🛐','🛑','🛒','🛠','🛡','🛢','🛣','🛤','🛥','🛩','🛫','🛬','🛰','🛳','🛴','🛵','🛶','🛷','🛸','🤐','🤑','🤒','🤓','🤔','🤕','🤖','🤗','🐘','👯','🐙','🐚','🐛','🤘','🐜','🐝','👰','🐞','🐟','🤙','🐠','🐡','🐢','🐣','🐤','🤚','🐥','🐦','🐧','🐨','🐩','🤛','🐪','🐫','🐬','🐭','🐮','🤜','🤝','👱','🐯','🐰','🐱','🐲','🤞','🐳','👲','🐴','🐵','🐶','🤟','🤠','🤡','🤢','🤣','🤤','🤥','🐷','🐸','🐹','🐺','🐻','🐼','🐽','🐾','🐿','👀','🌲','👁','🌳','🌴','👳','🌵','🌶','🤦','🤧','🤨','🤩','🤪','🤫','🤬','🤭','🤮','🤯','🌷','👂','🌸','👴','🌹','🤰','🌺','🌻','🌼','👃','👵','🤱','👄','👅','🌽','🌾','🌿','🤲','👶','🍀','🍁','👆','🍂','🤳','🍃','🍄','🍅','🍆','👇','🤴','🍇','🍈','🍉','🍊','🍋','👈','🍌','🍍','👷','🍎','🍏','🍐','👉','🍑','👸','👹','👺','🤵','👻','🍒','🍓','🍔','🍕','🤶','👊','👼','👽','👾','👿','💀','🍖','🍗','🍘','🍙','🍚','👋','🍛','🍜','🍝','🍞','🍟','🤷','👌','🍠','🍡','🍢','🍣','🍤','💁','👍','🍥','🍦','🍧','🍨','🍩','👎','🍪','🍫','🍬','🤸','🍭','🍮','👏','🍯','🍰','🍱','🍲','💂','🍳','👐','👑','👒','👓','💃','💄','👔','👕','🤹','🤺','👖','👗','🤼','👘','💅','👙','👚','👛','👜','👝','👞','👟','👠','👡','👢','👣','👤','👥','🍴','🍵','🤽','🍶','🍷','💆','🍸','👦','🍹','🍺','🍻','🍼','🍽','👧','🍾','🍿','🎀','🎁','🎂','🎃','🤾','🥀','🥁','🥂','🥃','🥄','🥅','🥇','🥈','🥉','🥊','🥋','🥌','🥐','🥑','🥒','🥓','🥔','🥕','🥖','🥗','🥘','🥙','🥚','🥛','🥜','🥝','🥞','🥟','🥠','🥡','🥢','🥣','🥤','🥥','🥦','🥧','🥨','🥩','🥪','🥫','🦀','🦁','🦂','🦃','🦄','🦅','🦆','🦇','🦈','🦉','🦊','🦋','🦌','🦍','🦎','🦏','🦐','🦑','🦒','🦓','🦔','🦕','🦖','🦗','🧀','🧐','🎄','🇵','🅾','💇','💈','🧑','💉','💊','💋','💌','💍','🧒','💎','💏','💐','💑','💒','🧓','💓','💔','💕','💖','💗','🧔','💘','💙','💚','💛','💜','🧕','💝','💞','💟','💠','💡','💢','💣','💤','💥','💦','💧','💨','💩','🇶','🇲','🅿','🎅','🧖','🎆','💪','💫','💬','💭','💮','💯','💰','💱','💲','💳','💴','💵','💶','💷','💸','💹','🧗','💺','💻','💼','💽','💾','💿','📀','📁','📂','📃','📄','📅','📆','📇','📈','📉','📊','🧘','📋','📌','📍','📎','📏','📐','📑','📒','📓','📔','📕','📖','📗','📘','📙','📚','📛','🧙','📜','📝','📞','📟','📠','📡','📢','📣','📤','📥','📦','📧','📨','📩','📪','📫','📬','🧚','📭','📮','📯','📰','📱','📲','📳','📴','📵','📶','📷','📸','📹','📺','📻','📼','📽','🧛','📿','🔀','🔁','🔂','🔃','🔄','🔅','🔆','🔇','🔈','🔉','🔊','🔋','🔌','🔍','🔎','🔏','🧜','🔐','🔑','🔒','🔓','🔔','🔕','🔖','🔗','🔘','🔙','🔚','🔛','🔜','🔝','🔞','🔟','🔠','🧝','🔡','🔢','🧞','🔣','🔤','🧟','🧠','🧡','🧢','🧣','🧤','🧥','🧦','🔥','🔦','🔧','🔨','🔩','🔪','🔫','🔬','🔭','🔮','🔯','🔰','🔱','🔲','🔳','🔴','🔵','🔶','🔷','🔸','🔹','🔺','🔻','🔼','🔽','🕉','🕊','🕋','🕌','🕍','🕎','🕐','🕑','🕒','🕓','🕔','🕕','🕖','🕗','🕘','🕙','🕚','🕛','🕜','🕝','🕞','🕟','🕠','🕡','🕢','🕣','🕤','🕥','🕦','🕧','🕯','🕰','🕳','🎇','▪','☦','☮','☯','☸','☹','☺','♀','♂','♈','♉','♊','♋','♌','♍','♎','♏','♐','♑','♒','♓','♠','♣','♥','♦','♨','♻','♿','⚒','⚓','⚔','⚕','⚖','⚗','⚙','⚛','⚜','⚠','⚡','⚪','⚫','⚰','⚱','⚽','⚾','⛄','⛅','⛈','⛎','⛏','⛑','⛓','⛔','⛩','⛪','⛰','⛱','⛲','⛳','⛴','⛵','☣','☢','☠','☝','☘','⛷','⛸','☕','☔','☑','☎','☄','☃','☂','☁','☀','◾','◽','◼','◻','◀','▶','▫','☪','⛹','⛺','⛽','✂','✅','✈','✉','Ⓜ','⏺','⏹','⏸','⏳','✊','⏲','⏱','⏰','⏯','⏮','✋','⏭','⏬','⏫','⏪','⏩','✌','⏏','⌨','⌛','⌚','↪','✍','✏','✒','✔','✖','✝','✡','✨','✳','✴','❄','❇','❌','❎','❓','❔','❕','❗','❣','❤','➕','➖','➗','➡','➰','➿','⤴','⤵','↩','⬅','⬆','⬇','⬛','⬜','⭐','⭕','↙','〰','〽','↘','↗','㊗','㊙','↖','↕','↔','ℹ','™','⁉','‼','');
    $partials = array('🀄','🃏','🅰','🅱','🅾','🅿','🆎','🆑','🆒','🆓','🆔','🆕','🆖','🆗','🆘','🆙','🆚','🇦','🇨','🇩','🇪','🇫','🇬','🇮','🇱','🇲','🇴','🇶','🇷','🇸','🇹','🇺','🇼','🇽','🇿','🇧','🇭','🇯','🇳','🇻','🇾','🇰','🇵','🈁','🈂','🈚','🈯','🈲','🈳','🈴','🈵','🈶','🈷','🈸','🈹','🈺','🉐','🉑','🌀','🌁','🌂','🌃','🌄','🌅','🌆','🌇','🌈','🌉','🌊','🌋','🌌','🌍','🌎','🌏','🌐','🌑','🌒','🌓','🌔','🌕','🌖','🌗','🌘','🌙','🌚','🌛','🌜','🌝','🌞','🌟','🌠','🌡','🌤','🌥','🌦','🌧','🌨','🌩','🌪','🌫','🌬','🌭','🌮','🌯','🌰','🌱','🌲','🌳','🌴','🌵','🌶','🌷','🌸','🌹','🌺','🌻','🌼','🌽','🌾','🌿','🍀','🍁','🍂','🍃','🍄','🍅','🍆','🍇','🍈','🍉','🍊','🍋','🍌','🍍','🍎','🍏','🍐','🍑','🍒','🍓','🍔','🍕','🍖','🍗','🍘','🍙','🍚','🍛','🍜','🍝','🍞','🍟','🍠','🍡','🍢','🍣','🍤','🍥','🍦','🍧','🍨','🍩','🍪','🍫','🍬','🍭','🍮','🍯','🍰','🍱','🍲','🍳','🍴','🍵','🍶','🍷','🍸','🍹','🍺','🍻','🍼','🍽','🍾','🍿','🎀','🎁','🎂','🎃','🎄','🎅','🏻','🏼','🏽','🏾','🏿','🎆','🎇','🎈','🎉','🎊','🎋','🎌','🎍','🎎','🎏','🎐','🎑','🎒','🎓','🎖','🎗','🎙','🎚','🎛','🎞','🎟','🎠','🎡','🎢','🎣','🎤','🎥','🎦','🎧','🎨','🎩','🎪','🎫','🎬','🎭','🎮','🎯','🎰','🎱','🎲','🎳','🎴','🎵','🎶','🎷','🎸','🎹','🎺','🎻','🎼','🎽','🎾','🎿','🏀','🏁','🏂','🏃','‍','♀','️','♂','🏄','🏅','🏆','🏇','🏈','🏉','🏊','🏋','🏌','🏍','🏎','🏏','🏐','🏑','🏒','🏓','🏔','🏕','🏖','🏗','🏘','🏙','🏚','🏛','🏜','🏝','🏞','🏟','🏠','🏡','🏢','🏣','🏤','🏥','🏦','🏧','🏨','🏩','🏪','🏫','🏬','🏭','🏮','🏯','🏰','🏳','🏴','☠','󠁧','󠁢','󠁥','󠁮','󠁿','󠁳','󠁣','󠁴','󠁷','󠁬','🏵','🏷','🏸','🏹','🏺','🐀','🐁','🐂','🐃','🐄','🐅','🐆','🐇','🐈','🐉','🐊','🐋','🐌','🐍','🐎','🐏','🐐','🐑','🐒','🐓','🐔','🐕','🐖','🐗','🐘','🐙','🐚','🐛','🐜','🐝','🐞','🐟','🐠','🐡','🐢','🐣','🐤','🐥','🐦','🐧','🐨','🐩','🐪','🐫','🐬','🐭','🐮','🐯','🐰','🐱','🐲','🐳','🐴','🐵','🐶','🐷','🐸','🐹','🐺','🐻','🐼','🐽','🐾','🐿','👀','👁','🗨','👂','👃','👄','👅','👆','👇','👈','👉','👊','👋','👌','👍','👎','👏','👐','👑','👒','👓','👔','👕','👖','👗','👘','👙','👚','👛','👜','👝','👞','👟','👠','👡','👢','👣','👤','👥','👦','👧','👨','💻','💼','🔧','🔬','🚀','🚒','⚕','⚖','✈','👩','❤','💋','👪','👫','👬','👭','👮','👯','👰','👱','👲','👳','👴','👵','👶','👷','👸','👹','👺','👻','👼','👽','👾','👿','💀','💁','💂','💃','💄','💅','💆','💇','💈','💉','💊','💌','💍','💎','💏','💐','💑','💒','💓','💔','💕','💖','💗','💘','💙','💚','💛','💜','💝','💞','💟','💠','💡','💢','💣','💤','💥','💦','💧','💨','💩','💪','💫','💬','💭','💮','💯','💰','💱','💲','💳','💴','💵','💶','💷','💸','💹','💺','💽','💾','💿','📀','📁','📂','📃','📄','📅','📆','📇','📈','📉','📊','📋','📌','📍','📎','📏','📐','📑','📒','📓','📔','📕','📖','📗','📘','📙','📚','📛','📜','📝','📞','📟','📠','📡','📢','📣','📤','📥','📦','📧','📨','📩','📪','📫','📬','📭','📮','📯','📰','📱','📲','📳','📴','📵','📶','📷','📸','📹','📺','📻','📼','📽','📿','🔀','🔁','🔂','🔃','🔄','🔅','🔆','🔇','🔈','🔉','🔊','🔋','🔌','🔍','🔎','🔏','🔐','🔑','🔒','🔓','🔔','🔕','🔖','🔗','🔘','🔙','🔚','🔛','🔜','🔝','🔞','🔟','🔠','🔡','🔢','🔣','🔤','🔥','🔦','🔨','🔩','🔪','🔫','🔭','🔮','🔯','🔰','🔱','🔲','🔳','🔴','🔵','🔶','🔷','🔸','🔹','🔺','🔻','🔼','🔽','🕉','🕊','🕋','🕌','🕍','🕎','🕐','🕑','🕒','🕓','🕔','🕕','🕖','🕗','🕘','🕙','🕚','🕛','🕜','🕝','🕞','🕟','🕠','🕡','🕢','🕣','🕤','🕥','🕦','🕧','🕯','🕰','🕳','🕴','🕵','🕶','🕷','🕸','🕹','🕺','🖇','🖊','🖋','🖌','🖍','🖐','🖕','🖖','🖤','🖥','🖨','🖱','🖲','🖼','🗂','🗃','🗄','🗑','🗒','🗓','🗜','🗝','🗞','🗡','🗣','🗯','🗳','🗺','🗻','🗼','🗽','🗾','🗿','😀','😁','😂','😃','😄','😅','😆','😇','😈','😉','😊','😋','😌','😍','😎','😏','😐','😑','😒','😓','😔','😕','😖','😗','😘','😙','😚','😛','😜','😝','😞','😟','😠','😡','😢','😣','😤','😥','😦','😧','😨','😩','😪','😫','😬','😭','😮','😯','😰','😱','😲','😳','😴','😵','😶','😷','😸','😹','😺','😻','😼','😽','😾','😿','🙀','🙁','🙂','🙃','🙄','🙅','🙆','🙇','🙈','🙉','🙊','🙋','🙌','🙍','🙎','🙏','🚁','🚂','🚃','🚄','🚅','🚆','🚇','🚈','🚉','🚊','🚋','🚌','🚍','🚎','🚏','🚐','🚑','🚓','🚔','🚕','🚖','🚗','🚘','🚙','🚚','🚛','🚜','🚝','🚞','🚟','🚠','🚡','🚢','🚣','🚤','🚥','🚦','🚧','🚨','🚩','🚪','🚫','🚬','🚭','🚮','🚯','🚰','🚱','🚲','🚳','🚴','🚵','🚶','🚷','🚸','🚹','🚺','🚻','🚼','🚽','🚾','🚿','🛀','🛁','🛂','🛃','🛄','🛅','🛋','🛌','🛍','🛎','🛏','🛐','🛑','🛒','🛠','🛡','🛢','🛣','🛤','🛥','🛩','🛫','🛬','🛰','🛳','🛴','🛵','🛶','🛷','🛸','🤐','🤑','🤒','🤓','🤔','🤕','🤖','🤗','🤘','🤙','🤚','🤛','🤜','🤝','🤞','🤟','🤠','🤡','🤢','🤣','🤤','🤥','🤦','🤧','🤨','🤩','🤪','🤫','🤬','🤭','🤮','🤯','🤰','🤱','🤲','🤳','🤴','🤵','🤶','🤷','🤸','🤹','🤺','🤼','🤽','🤾','🥀','🥁','🥂','🥃','🥄','🥅','🥇','🥈','🥉','🥊','🥋','🥌','🥐','🥑','🥒','🥓','🥔','🥕','🥖','🥗','🥘','🥙','🥚','🥛','🥜','🥝','🥞','🥟','🥠','🥡','🥢','🥣','🥤','🥥','🥦','🥧','🥨','🥩','🥪','🥫','🦀','🦁','🦂','🦃','🦄','🦅','🦆','🦇','🦈','🦉','🦊','🦋','🦌','🦍','🦎','🦏','🦐','🦑','🦒','🦓','🦔','🦕','🦖','🦗','🧀','🧐','🧑','🧒','🧓','🧔','🧕','🧖','🧗','🧘','🧙','🧚','🧛','🧜','🧝','🧞','🧟','🧠','🧡','🧢','🧣','🧤','🧥','🧦','‼','⁉','™','ℹ','↔','↕','↖','↗','↘','↙','↩','↪','⃣','⌚','⌛','⌨','⏏','⏩','⏪','⏫','⏬','⏭','⏮','⏯','⏰','⏱','⏲','⏳','⏸','⏹','⏺','Ⓜ','▪','▫','▶','◀','◻','◼','◽','◾','☀','☁','☂','☃','☄','☎','☑','☔','☕','☘','☝','☢','☣','☦','☪','☮','☯','☸','☹','☺','♈','♉','♊','♋','♌','♍','♎','♏','♐','♑','♒','♓','♠','♣','♥','♦','♨','♻','♿','⚒','⚓','⚔','⚗','⚙','⚛','⚜','⚠','⚡','⚪','⚫','⚰','⚱','⚽','⚾','⛄','⛅','⛈','⛎','⛏','⛑','⛓','⛔','⛩','⛪','⛰','⛱','⛲','⛳','⛴','⛵','⛷','⛸','⛹','⛺','⛽','✂','✅','✉','✊','✋','✌','✍','✏','✒','✔','✖','✝','✡','✨','✳','✴','❄','❇','❌','❎','❓','❔','❕','❗','❣','➕','➖','➗','➡','➰','➿','⤴','⤵','⬅','⬆','⬇','⬛','⬜','⭐','⭕','〰','〽','㊗','㊙','');
    // END: emoji arrays

    if ( 'entities' === $type ) {
        return $entities;
    }

    return $partials;
}

/**
 * Shorten a URL, to be used as link text.
 *
 * @since 1.2.0
 * @since 4.4.0 Moved to wp-includes/formatting.php from wp-admin/includes/misc.php and added $length param.
 *
 * @param string $url    URL to shorten.
 * @param int    $length Optional. Maximum length of the shortened URL. Default 35 characters.
 * @return string Shortened URL.
 */
function url_shorten( $url, $length = 35 ) {
    $stripped = str_replace( array( 'https://', 'http://', 'www.' ), '', $url );
    $short_url = untrailingslashit( $stripped );

    if ( strlen( $short_url ) > $length ) {
        $short_url = substr( $short_url, 0, $length - 3 ) . '…';
    }
    return $short_url;
}

/**
 * Sanitizes a hex color.
 *
 * Returns either '', a 3 or 6 digit hex color (with #), or nothing.
 * For sanitizing values without a #, see sanitize_hex_color_no_hash().
 *
 * @since 3.4.0
 *
 * @param string $color
 * @return string|void
 */
function sanitize_hex_color( $color ) {
    if ( '' === $color ) {
        return '';
    }

    // 3 or 6 hex digits, or the empty string.
    if ( preg_match('|^#([A-Fa-f0-9]{3}){1,2}$|', $color ) ) {
        return $color;
    }
}

/**
 * Sanitizes a hex color without a hash. Use sanitize_hex_color() when possible.
 *
 * Saving hex colors without a hash puts the burden of adding the hash on the
 * UI, which makes it difficult to use or upgrade to other color types such as
 * rgba, hsl, rgb, and html color names.
 *
 * Returns either '', a 3 or 6 digit hex color (without a #), or null.
 *
 * @since 3.4.0
 *
 * @param string $color
 * @return string|null
 */
function sanitize_hex_color_no_hash( $color ) {
    $color = ltrim( $color, '#' );

    if ( '' === $color ) {
        return '';
    }

    return sanitize_hex_color( '#' . $color ) ? $color : null;
}

/**
 * Ensures that any hex color is properly hashed.
 * Otherwise, returns value untouched.
 *
 * This method should only be necessary if using sanitize_hex_color_no_hash().
 *
 * @since 3.4.0
 *
 * @param string $color
 * @return string
 */
function maybe_hash_hex_color( $color ) {
    if ( $unhashed = sanitize_hex_color_no_hash( $color ) ) {
        return '#' . $unhashed;
    }

    return $color;
}