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<?php |
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// +----------------------------------------------------------------------+ |
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// | PHP Version 4 | |
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// +----------------------------------------------------------------------+ |
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// | Copyright (c) 1997-2004 The PHP Group | |
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// +----------------------------------------------------------------------+ |
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// | This source file is subject to version 3.0 of the PHP license, | |
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// | that is bundled with this package in the file LICENSE, and is | |
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// | available at through the world-wide-web at | |
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// | http://www.php.net/license/3_0.txt. | |
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// | If you did not receive a copy of the PHP license and are unable to | |
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// | obtain it through the world-wide-web, please send a note to | |
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// | license@php.net so we can mail you a copy immediately. | |
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// +----------------------------------------------------------------------+ |
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// | Authors: Aidan Lister <aidan@php.net> | |
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// +----------------------------------------------------------------------+ |
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// |
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// $Id: array_intersect_assoc.php,v 1.4 2005/01/26 04:55:13 aidan Exp $ |
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/** |
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* Replace array_intersect_assoc() |
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* |
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* @category PHP |
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* @package PHP_Compat |
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* @link http://php.net/function.array_intersect_assoc |
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* @author Aidan Lister <aidan@php.net> |
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* @version $Revision: 1.4 $ |
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* @since PHP 4.3.0 |
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* @require PHP 4.0.0 (user_error) |
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*/ |
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if (!function_exists('array_intersect_assoc')) { |
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function array_intersect_assoc() |
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{ |
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// Sanity check |
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$args = func_get_args(); |
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if (count($args) < 2) { |
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user_error('wrong parameter count for array_intersect_assoc()', E_USER_WARNING); |
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return; |
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} |
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// Check arrays |
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$array_count = count($args); |
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for ($i = 0; $i !== $array_count; $i++) { |
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if (!is_array($args[$i])) { |
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user_error('array_intersect_assoc() Argument #' . |
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($i + 1) . ' is not an array', E_USER_WARNING); |
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return; |
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} |
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} |
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// Compare entries |
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$intersect = array(); |
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foreach ($args[0] as $key => $value) { |
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$intersect[$key] = $value; |
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for ($i = 1; $i < $array_count; $i++) { |
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if (!isset($args[$i][$key]) || $args[$i][$key] != $value) { |
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unset($intersect[$key]); |
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break; |
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} |
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} |
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} |
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return $intersect; |
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} |
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} |
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?> |