/php/pear/PHP/Compat/Function/array_diff_assoc.php

 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_diff_assoc.php,v 1.12 2005/12/07 21:08:57 aidan Exp $
19
20
21/**
22 * Replace array_diff_assoc()
23 *
24 * @category    PHP
25 * @package     PHP_Compat
26 * @link        http://php.net/function.array_diff_assoc
27 * @author      Aidan Lister <aidan@php.net>
28 * @version     $Revision: 1.12 $
29 * @since       PHP 4.3.0
30 * @require     PHP 4.0.0 (user_error)
31 */
32if (!function_exists('array_diff_assoc')) {
33    function array_diff_assoc()
34    {
35        // Check we have enough arguments
36        $args = func_get_args();
37        $count = count($args);
38        if (count($args) < 2) {
39            user_error('Wrong parameter count for array_diff_assoc()', E_USER_WARNING);
40            return;
41        }
42
43        // Check arrays
44        for ($i = 0; $i < $count; $i++) {
45            if (!is_array($args[$i])) {
46                user_error('array_diff_assoc() Argument #' .
47                    ($i + 1) . ' is not an array', E_USER_WARNING);
48                return;
49            }
50        }
51
52        // Get the comparison array
53        $array_comp = array_shift($args);
54        --$count;
55
56        // Traverse values of the first array
57        foreach ($array_comp as $key => $value) {
58            // Loop through the other arrays
59            for ($i = 0; $i < $count; $i++) {
60                // Loop through this arrays key/value pairs and compare
61                foreach ($args[$i] as $comp_key => $comp_value) {
62                    if ((string)$key === (string)$comp_key &&
63                        (string)$value === (string)$comp_value)
64                    {
65
66                        unset($array_comp[$key]);
67                    }
68                }
69            }
70        }
71
72        return $array_comp;
73    }
74}
75
76?>