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: Stephan Schmidt <schst@php.net> |
16 // | Aidan Lister <aidan@php.net> |
17 // +----------------------------------------------------------------------+
18 //
19 // $Id: array_udiff.php,v 1.10 2005/01/26 04:55:13 aidan Exp $
20  
21  
22 /**
23 * Replace array_udiff()
24 *
25 * @category PHP
26 * @package PHP_Compat
27 * @link http://php.net/function.array_udiff
28 * @author Stephan Schmidt <schst@php.net>
29 * @author Aidan Lister <aidan@php.net>
30 * @version $Revision: 1.10 $
31 * @since PHP 5
32 * @require PHP 4.0.6 (is_callable)
33 */
34 if (!function_exists('array_udiff')) {
35 function array_udiff()
36 {
37 $args = func_get_args();
38  
39 if (count($args) < 3) {
40 user_error('Wrong parameter count for array_udiff()', E_USER_WARNING);
41 return;
42 }
43  
44 // Get compare function
45 $compare_func = array_pop($args);
46 if (!is_callable($compare_func)) {
47 if (is_array($compare_func)) {
48 $compare_func = $compare_func[0] . '::' . $compare_func[1];
49 }
50 user_error('array_udiff() Not a valid callback ' .
51 $compare_func, E_USER_WARNING);
52 return;
53 }
54  
55 // Check arrays
56 $cnt = count($args);
57 for ($i = 0; $i < $cnt; $i++) {
58 if (!is_array($args[$i])) {
59 user_error('array_udiff() Argument #' .
60 ($i + 1). ' is not an array', E_USER_WARNING);
61 return;
62 }
63 }
64  
65 $diff = array ();
66 // Traverse values of the first array
67 foreach ($args[0] as $key => $value) {
68 // Check all arrays
69 for ($i = 1; $i < $cnt; $i++) {
70 foreach ($args[$i] as $cmp_value) {
71 $result = call_user_func($compare_func, $value, $cmp_value);
72 if ($result === 0) {
73 continue 3;
74 }
75 }
76 }
77 $diff[$key] = $value;
78 }
79 return $diff;
80 }
81 }
82  
130 kaklik 83 ?>