67 lines
2.5 KiB
PHP
67 lines
2.5 KiB
PHP
|
<?php
|
||
|
|
// +----------------------------------------------------------------------+
|
||
|
|
// | PHP Version 4 |
|
||
|
|
// +----------------------------------------------------------------------+
|
||
|
|
// | Copyright (c) 1997-2004 The PHP Group |
|
||
|
|
// +----------------------------------------------------------------------+
|
||
|
|
// | This source file is subject to version 3.0 of the PHP license, |
|
||
|
|
// | that is bundled with this package in the file LICENSE, and is |
|
||
|
|
// | available at through the world-wide-web at |
|
||
|
|
// | http://www.php.net/license/3_0.txt. |
|
||
|
|
// | If you did not receive a copy of the PHP license and are unable to |
|
||
|
|
// | obtain it through the world-wide-web, please send a note to |
|
||
|
|
// | license@php.net so we can mail you a copy immediately. |
|
||
|
|
// +----------------------------------------------------------------------+
|
||
|
|
// | Authors: Aidan Lister <aidan@php.net> |
|
||
|
|
// +----------------------------------------------------------------------+
|
||
|
|
//
|
||
|
|
// $Id: array_intersect_key.php,v 1.1 2005/07/23 05:56:02 Tony Exp $
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Replace array_intersect_key()
|
||
|
|
*
|
||
|
|
* @category PHP
|
||
|
|
* @package PHP_Compat
|
||
|
|
* @link http://php.net/function.array_intersect_key
|
||
|
|
* @author Tom Buskens <ortega@php.net>
|
||
|
|
* @version $Revision: 1.1 $
|
||
|
|
* @since PHP 5.0.2
|
||
|
|
* @require PHP 4.0.0 (user_error)
|
||
|
|
*/
|
||
|
|
if (!function_exists('array_intersect_key')) {
|
||
|
|
function array_intersect_key()
|
||
|
|
{
|
||
|
|
$args = func_get_args();
|
||
|
|
if (count($args) < 2) {
|
||
|
|
user_error('Wrong parameter count for array_intersect_key()', E_USER_WARNING);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Check arrays
|
||
|
|
$array_count = count($args);
|
||
|
|
for ($i = 0; $i !== $array_count; $i++) {
|
||
|
|
if (!is_array($args[$i])) {
|
||
|
|
user_error('array_intersect_key() Argument #' .
|
||
|
|
($i + 1) . ' is not an array', E_USER_WARNING);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Compare entries
|
||
|
|
$result = array();
|
||
|
|
foreach ($args[0] as $key1 => $value1) {
|
||
|
|
for ($i = 1; $i !== $array_count; $i++) {
|
||
|
|
foreach ($args[$i] as $key2 => $value2) {
|
||
|
|
if ((string) $key1 === (string) $key2) {
|
||
|
|
$result[$key1] = $value1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $result;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
?>
|