source: branches/version-2_5-dev/data/module/Compat/Compat/Function/array_search.php @ 19792

Revision 19792, 2.0 KB checked in by Seasoft, 13 years ago (diff)

#744(PHP4 互換用途ソースを将来的に切り捨てやすい仕組みづくり)

Line 
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: Aidan Lister <aidan@php.net>                                |
16// +----------------------------------------------------------------------+
17//
18// $Id: array_search.php,v 1.6 2005/01/26 04:55:13 aidan Exp $
19
20
21/**
22 * Replace array_search()
23 *
24 * @category    PHP
25 * @package     PHP_Compat
26 * @link        http://php.net/function.array_search
27 * @author      Aidan Lister <aidan@php.net>
28 * @author      Thiemo Mättig (http://maettig.com/)
29 * @version     $Revision: 1.6 $
30 * @since       PHP 4.0.5
31 * @require     PHP 4.0.0 (user_error)
32 */
33if (!function_exists('array_search')) {
34    function array_search($needle, $haystack, $strict = false)
35    {
36        if (!is_array($haystack)) {
37            user_error('array_search() Wrong datatype for second argument', E_USER_WARNING);
38            return false;
39        }
40
41        foreach ($haystack as $key => $value) {
42            if ($strict ? $value === $needle : $value == $needle) {
43                return $key;
44            }
45        }
46
47        return false;
48    }
49}
50
51?>
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