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- <?php
- // +----------------------------------------------------------------------+
- // | PHP Version 4 |
- // +----------------------------------------------------------------------+
- // | Copyright (c) 1997-2004 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: Tom Buskens <ortega@php.net> |
- // | Aidan Lister <aidan@php.net> |
- // +----------------------------------------------------------------------+
- //
- // $Id: substr_compare.php,v 1.5 2005/01/26 04:55:13 aidan Exp $
-
-
- /**
- * Replace substr_compare()
- *
- * @category PHP
- * @package PHP_Compat
- * @link http://php.net/function.substr_compare
- * @author Tom Buskens <ortega@php.net>
- * @author Aidan Lister <aidan@php.net>
- * @version $Revision: 1.5 $
- * @since PHP 5
- * @require PHP 4.0.0 (user_error)
- */
- if (!function_exists('substr_compare')) {
- function substr_compare($main_str, $str, $offset, $length = null, $case_insensitive = false)
- {
- if (!is_string($main_str)) {
- user_error('substr_compare() expects parameter 1 to be string, ' .
- gettype($main_str) . ' given', E_USER_WARNING);
- return;
- }
-
- if (!is_string($str)) {
- user_error('substr_compare() expects parameter 2 to be string, ' .
- gettype($str) . ' given', E_USER_WARNING);
- return;
- }
-
- if (!is_int($offset)) {
- user_error('substr_compare() expects parameter 3 to be long, ' .
- gettype($offset) . ' given', E_USER_WARNING);
- return;
- }
-
- if (is_null($length)) {
- $length = strlen($main_str) - $offset;
- } elseif ($offset >= strlen($main_str)) {
- user_error('substr_compare() The start position cannot exceed initial string length',
- E_USER_WARNING);
- return false;
- }
-
- $main_str = substr($main_str, $offset, $length);
- $str = substr($str, 0, strlen($main_str));
-
- if ($case_insensitive === false) {
- return strcmp($main_str, $str);
- } else {
- return strcasecmp($main_str, $str);
- }
- }
- }
-
- ?>