<?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_uassoc.php,v 1.1 2005/07/23 05:56:02 Tony Exp $ /** * Replace array_intersect_assoc() * * @category PHP * @package PHP_Compat * @link http://php.net/function.array_intersect_uassoc * @author Aidan Lister <aidan@php.net> * @version $Revision: 1.1 $ * @since PHP 5 * @require PHP 4.0.6 (is_callable) */ if (!function_exists('array_intersect_uassoc')) { function array_intersect_uassoc() { // Sanity check $args = func_get_args(); if (count($args) < 3) { user_error('Wrong parameter count for array_intersect_ukey()', E_USER_WARNING); return; } // Get compare function $compare_func = array_pop($args); if (!is_callable($compare_func)) { if (is_array($compare_func)) { $compare_func = $compare_func[0] . '::' . $compare_func[1]; } user_error('array_intersect_uassoc() Not a valid callback ' . $compare_func, E_USER_WARNING); return; } // Check arrays $array_count = count($args); for ($i = 0; $i !== $array_count; $i++) { if (!is_array($args[$i])) { user_error('array_intersect_uassoc() Argument #' . ($i + 1) . ' is not an array', E_USER_WARNING); return; } } // Compare entries $result = array(); foreach ($args[0] as $k => $v) { for ($i = 0; $i < $array_count; $i++) { $match = false; foreach ($args[$i] as $kk => $vv) { $compare = call_user_func_array($compare_func, array($k, $kk)); if ($compare === 0 && $v == $vv) { $match = true; continue 2; } } if ($match === false) { continue 2; } } if ($match === true) { $result[$k] = $v; } } return $result; } } ?>