Viewing file:  substr_compare.php (2.98 KB) -rw-rw-rw-
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
<?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);
}
}
}
?>
|