Rev Author Line No. Line
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: Aidan Lister <aidan@php.net> |
16 // +----------------------------------------------------------------------+
17 //
18 // $Id: array_intersect_key.php,v 1.4 2005/01/26 04:55:13 aidan Exp $
19  
20  
21 /**
22 * Replace array_intersect_key()
23 *
24 * @category PHP
25 * @package PHP_Compat
26 * @link http://php.net/function.array_intersect_key
27 * @author Tom Buskens <ortega@php.net>
28 * @version $Revision: 1.4 $
29 * @since PHP 5.0.2
30 * @require PHP 4.0.0 (user_error)
31 */
32 if (!function_exists('array_intersect_key')) {
33 function array_intersect_key()
34 {
35 $args = func_get_args();
36 if (count($args) < 2) {
37 user_error('Wrong parameter count for array_intersect_key()', E_USER_WARNING);
38 return;
39 }
40  
41 // Check arrays
42 $array_count = count($args);
43 for ($i = 0; $i !== $array_count; $i++) {
44 if (!is_array($args[$i])) {
45 user_error('array_intersect_key() Argument #' .
46 ($i + 1) . ' is not an array', E_USER_WARNING);
47 return;
48 }
49 }
50  
51 // Compare entries
52 $result = array();
53 foreach ($args[0] as $key1 => $value1) {
54 for ($i = 1; $i !== $array_count; $i++) {
55 foreach ($args[$i] as $key2 => $value2) {
56 if ((string) $key1 === (string) $key2) {
57 $result[$key1] = $value1;
58 }
59 }
60 }
61 }
62  
63 return $result;
64 }
65 }
66  
130 kaklik 67 ?>