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- <?php
- /* vim: set expandtab tabstop=4 softtabstop=4 shiftwidth=4: */
- //
- // +----------------------------------------------------------------------+
- // | PHP version 4 |
- // +----------------------------------------------------------------------+
- // | Copyright (c) 1997-2003 The PHP Group |
- // +----------------------------------------------------------------------+
- // | This source file is subject to version 3.0 of the PHP license, |
- // | that is bundled with this package in the file LICENSE, and is |
- // | available at through the world-wide-web at |
- // | http://www.php.net/license/3_0.txt. |
- // | If you did not receive a copy of the PHP license and are unable to |
- // | obtain it through the world-wide-web, please send a note to |
- // | license@php.net so we can mail you a copy immediately. |
- // +----------------------------------------------------------------------+
- // | Authors: Piotr Klaban <makler@man.torun.pl> |
- // +----------------------------------------------------------------------+
- //
- // $Id: lang.en_100.php,v 1.2 2004/09/02 11:07:59 makler Exp $
- //
- // Numbers_Words class extension to spell numbers in Donald Knuth system, in English language.
- //
-
- /**
- * Class for translating numbers into Donald Knuth system, in English language.
- *
- * @author Piotr Klaban
- * @package Numbers_Words
- */
-
- /**
- * Include needed files
- */
- require_once("Numbers/Words.php");
-
- /**
- * Class for translating numbers into Donald Knuth system, in English language.
- *
- * @author Piotr Klaban
- * @package Numbers_Words
- */
- class Numbers_Words_en_100 extends Numbers_Words
- {
-
- // {{{ properties
-
- /**
- * Locale name
- * @var string
- * @access public
- */
- var $locale = 'en_100';
-
- /**
- * Language name in English
- * @var string
- * @access public
- */
- var $lang = 'English (Donald Knuth system)';
-
- /**
- * Native language name
- * @var string
- * @access public
- */
- var $lang_native = 'English (Donald Knuth system)';
-
- /**
- * The word for the minus sign
- * @var string
- * @access private
- */
- var $_minus = 'minus'; // minus sign
-
- /**
- * The sufixes for exponents (singular and plural)
- * Names based on:
- * http://home.earthlink.net/~mrob/pub/math/largenum.html
- * Donald Knuth system (power of 2)
- * @var array
- * @access private
- */
- var $_exponent = array(
- 0 => array(''),
- 2 => array('hundred'),
- 4 => array('myriad'),
- 8 => array('myllion'),
- 16 => array('byllion'),
- 32 => array('tryllion'),
- 64 => array('quadryllion'),
- 128 => array('quintyllion'),
- 256 => array('sextyllion'),
- 512 => array('septyllion'),
- 1024 => array('octyllion'),
- 2048 => array('nonyllion'),
- 4096 => array('decyllion'),
- 8192 => array('undecyllion'),
- 16384 => array('duodecyllion'),
- 32768 => array('tredecyllion'),
- 65536 => array('quattuordecyllion'),
- 131072 => array('quindecyllion'),
- 262144 => array('sexdecyllion'),
- 524288 => array('septendecyllion'),
- 1048576 => array('octodecyllion'),
- 2097152 => array('novemdecyllion'),
- 4194304 => array('vigintyllion')
- );
-
- /**
- * The array containing the digits (indexed by the digits themselves).
- * @var array
- * @access private
- */
- var $_digits = array(
- 0 => 'zero', 'one', 'two', 'three', 'four',
- 'five', 'six', 'seven', 'eight', 'nine'
- );
-
- /**
- * The word separator
- * @var string
- * @access private
- */
- var $_sep = ' ';
- // }}}
- // {{{ toWords()
- /**
- * Converts a number to its word representation
- * in Donald Knuth system, in English language.
- *
- * @param integer $num An integer between -infinity and infinity inclusive :)
- * that need to be converted to words
- * @param integer $power The power of ten for the rest of the number to the right.
- * Optional, defaults to 0.
- * @param integer $powsuffix The power name to be added to the end of the return string.
- * Used internally. Optional, defaults to ''.
- *
- * @return string The corresponding word representation
- *
- * @access public
- * @author Piotr Klaban <makler@man.torun.pl>
- * @since PHP 4.2.3
- */
- function toWords($num, $power = 0, $powsuffix = '') {
- $ret = '';
-
- // add a minus sign
- if (substr($num, 0, 1) == '-') {
- $ret = $this->_sep . $this->_minus;
- $num = substr($num, 1);
- }
-
- // strip excessive zero signs and spaces
- $num = trim($num);
- $num = preg_replace('/^0+/','',$num);
-
- if (strlen($num) > 3) {
- $maxp = strlen($num)-1;
- $curp = $maxp;
- for ($p = $maxp; $p > 0; --$p) { // power
-
- // check for highest power
- if (isset($this->_exponent[$p])) {
- // send substr from $curp to $p
- $snum = substr($num, $maxp - $curp, $curp - $p + 1);
- $snum = preg_replace('/^0+/','',$snum);
- if ($snum !== '') {
- $cursuffix = $this->_exponent[$power][count($this->_exponent[$power])-1];
- if ($powsuffix != '')
- $cursuffix .= $this->_sep . $powsuffix;
- $ret .= $this->toWords($snum, $p, ''); // $cursuffix);
- // normally cursuffix is added at the end, but not here
- }
- $curp = $p - 1;
- continue;
- }
- }
- $num = substr($num, $maxp - $curp, $curp - $p + 1);
- if ($num == 0) {
- return $ret;
- }
- } elseif ($num == 0 || $num == '') {
- return $this->_sep . $this->_digits[0];
- }
-
- $h = $t = $d = 0;
-
- switch(strlen($num)) {
- case 3:
- $h = (int)substr($num,-3,1);
-
- case 2:
- $t = (int)substr($num,-2,1);
-
- case 1:
- $d = (int)substr($num,-1,1);
- break;
-
- case 0:
- return;
- break;
- }
-
- if ($h) {
- $ret .= $this->_sep . $this->_digits[$h] . $this->_sep . 'hundred';
-
- // in English only - add ' and' for [1-9]01..[1-9]99
- // (also for 1001..1099, 10001..10099 but it is harder)
- // for now it is switched off, maybe some language purists
- // can force me to enable it, or to remove it completely
- // if (($t + $d) > 0)
- // $ret .= $this->_sep . 'and';
- }
-
- // ten, twenty etc.
- switch ($t) {
- case 9:
- case 7:
- case 6:
- $ret .= $this->_sep . $this->_digits[$t] . 'ty';
- break;
-
- case 8:
- $ret .= $this->_sep . 'eighty';
- break;
-
- case 5:
- $ret .= $this->_sep . 'fifty';
- break;
-
- case 4:
- $ret .= $this->_sep . 'forty';
- break;
-
- case 3:
- $ret .= $this->_sep . 'thirty';
- break;
-
- case 2:
- $ret .= $this->_sep . 'twenty';
- break;
-
- case 1:
- switch ($d) {
- case 0:
- $ret .= $this->_sep . 'ten';
- break;
-
- case 1:
- $ret .= $this->_sep . 'eleven';
- break;
-
- case 2:
- $ret .= $this->_sep . 'twelve';
- break;
-
- case 3:
- $ret .= $this->_sep . 'thirteen';
- break;
-
- case 4:
- case 6:
- case 7:
- case 9:
- $ret .= $this->_sep . $this->_digits[$d] . 'teen';
- break;
-
- case 5:
- $ret .= $this->_sep . 'fifteen';
- break;
-
- case 8:
- $ret .= $this->_sep . 'eighteen';
- break;
- }
- break;
- }
-
- if ($t != 1 && $d > 0) { // add digits only in <0>,<1,9> and <21,inf>
- // add minus sign between [2-9] and digit
- if ($t > 1) {
- $ret .= '-' . $this->_digits[$d];
- } else {
- $ret .= $this->_sep . $this->_digits[$d];
- }
- }
-
- if ($power > 0) {
- if (isset($this->_exponent[$power]))
- $lev = $this->_exponent[$power];
-
- if (!isset($lev) || !is_array($lev))
- return null;
-
- $ret .= $this->_sep . $lev[0];
- }
-
- if ($powsuffix != '')
- $ret .= $this->_sep . $powsuffix;
-
- return $ret;
- }
- // }}}
- }
-
- ?>
-