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139 root 1 <?php
2 // +----------------------------------------------------------------------+
3 // | PHP Version 4 |
4 // +----------------------------------------------------------------------+
5 // | Copyright (c) 1997-2004 The PHP Group |
6 // +----------------------------------------------------------------------+
7 // | This source file is subject to version 3.0 of the PHP license, |
8 // | that is bundled with this package in the file LICENSE, and is |
9 // | available at through the world-wide-web at |
10 // | http://www.php.net/license/3_0.txt. |
11 // | If you did not receive a copy of the PHP license and are unable to |
12 // | obtain it through the world-wide-web, please send a note to |
13 // | license@php.net so we can mail you a copy immediately. |
14 // +----------------------------------------------------------------------+
15 // | Authors: Tom Buskens <ortega@php.net> |
16 // | Aidan Lister <aidan@php.net> |
17 // +----------------------------------------------------------------------+
18 //
19 // $Id: substr_compare.php,v 1.5 2005/01/26 04:55:13 aidan Exp $
20  
21  
22 /**
23 * Replace substr_compare()
24 *
25 * @category PHP
26 * @package PHP_Compat
27 * @link http://php.net/function.substr_compare
28 * @author Tom Buskens <ortega@php.net>
29 * @author Aidan Lister <aidan@php.net>
30 * @version $Revision: 1.5 $
31 * @since PHP 5
32 * @require PHP 4.0.0 (user_error)
33 */
34 if (!function_exists('substr_compare')) {
35 function substr_compare($main_str, $str, $offset, $length = null, $case_insensitive = false)
36 {
37 if (!is_string($main_str)) {
38 user_error('substr_compare() expects parameter 1 to be string, ' .
39 gettype($main_str) . ' given', E_USER_WARNING);
40 return;
41 }
42  
43 if (!is_string($str)) {
44 user_error('substr_compare() expects parameter 2 to be string, ' .
45 gettype($str) . ' given', E_USER_WARNING);
46 return;
47 }
48  
49 if (!is_int($offset)) {
50 user_error('substr_compare() expects parameter 3 to be long, ' .
51 gettype($offset) . ' given', E_USER_WARNING);
52 return;
53 }
54  
55 if (is_null($length)) {
56 $length = strlen($main_str) - $offset;
57 } elseif ($offset >= strlen($main_str)) {
58 user_error('substr_compare() The start position cannot exceed initial string length',
59 E_USER_WARNING);
60 return false;
61 }
62  
63 $main_str = substr($main_str, $offset, $length);
64 $str = substr($str, 0, strlen($main_str));
65  
66 if ($case_insensitive === false) {
67 return strcmp($main_str, $str);
68 } else {
69 return strcasecmp($main_str, $str);
70 }
71 }
72 }
73  
130 kaklik 74 ?>