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<?php |
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<?php |
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// +----------------------------------------------------------------------+ |
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// +----------------------------------------------------------------------+ |
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// | PHP Version 4 | |
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// | PHP Version 4 | |
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// +----------------------------------------------------------------------+ |
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// +----------------------------------------------------------------------+ |
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// | Copyright (c) 1997-2004 The PHP Group | |
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// | Copyright (c) 1997-2004 The PHP Group | |
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// +----------------------------------------------------------------------+ |
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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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// | 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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// | 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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// | available at through the world-wide-web at | |
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// | http://www.php.net/license/3_0.txt. | |
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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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// | 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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// | 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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// | license@php.net so we can mail you a copy immediately. | |
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// +----------------------------------------------------------------------+ |
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// +----------------------------------------------------------------------+ |
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// | Authors: Aidan Lister <aidan@php.net> | |
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// | Authors: Aidan Lister <aidan@php.net> | |
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// +----------------------------------------------------------------------+ |
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// +----------------------------------------------------------------------+ |
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// |
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// |
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// $Id: array_intersect_key.php,v 1.4 2005/01/26 04:55:13 aidan Exp $ |
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// $Id: array_intersect_key.php,v 1.4 2005/01/26 04:55:13 aidan Exp $ |
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/** |
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/** |
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* Replace array_intersect_key() |
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* Replace array_intersect_key() |
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* |
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* |
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* @category PHP |
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* @category PHP |
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* @package PHP_Compat |
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* @package PHP_Compat |
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* @link http://php.net/function.array_intersect_key |
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* @link http://php.net/function.array_intersect_key |
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* @author Tom Buskens <ortega@php.net> |
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* @author Tom Buskens <ortega@php.net> |
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* @version $Revision: 1.4 $ |
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* @version $Revision: 1.4 $ |
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* @since PHP 5.0.2 |
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* @since PHP 5.0.2 |
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* @require PHP 4.0.0 (user_error) |
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* @require PHP 4.0.0 (user_error) |
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*/ |
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*/ |
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if (!function_exists('array_intersect_key')) { |
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if (!function_exists('array_intersect_key')) { |
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function array_intersect_key() |
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function array_intersect_key() |
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{ |
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{ |
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$args = func_get_args(); |
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$args = func_get_args(); |
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if (count($args) < 2) { |
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if (count($args) < 2) { |
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user_error('Wrong parameter count for array_intersect_key()', E_USER_WARNING); |
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user_error('Wrong parameter count for array_intersect_key()', E_USER_WARNING); |
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return; |
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return; |
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} |
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} |
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|
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// Check arrays |
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// Check arrays |
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$array_count = count($args); |
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$array_count = count($args); |
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for ($i = 0; $i !== $array_count; $i++) { |
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for ($i = 0; $i !== $array_count; $i++) { |
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if (!is_array($args[$i])) { |
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if (!is_array($args[$i])) { |
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user_error('array_intersect_key() Argument #' . |
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user_error('array_intersect_key() Argument #' . |
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($i + 1) . ' is not an array', E_USER_WARNING); |
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($i + 1) . ' is not an array', E_USER_WARNING); |
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return; |
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return; |
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} |
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} |
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} |
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} |
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// Compare entries |
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// Compare entries |
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$result = array(); |
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$result = array(); |
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foreach ($args[0] as $key1 => $value1) { |
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foreach ($args[0] as $key1 => $value1) { |
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for ($i = 1; $i !== $array_count; $i++) { |
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for ($i = 1; $i !== $array_count; $i++) { |
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foreach ($args[$i] as $key2 => $value2) { |
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foreach ($args[$i] as $key2 => $value2) { |
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if ((string) $key1 === (string) $key2) { |
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if ((string) $key1 === (string) $key2) { |
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$result[$key1] = $value1; |
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$result[$key1] = $value1; |
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} |
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} |
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} |
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} |
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} |
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} |
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} |
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} |
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return $result; |
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return $result; |
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} |
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} |
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} |
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} |
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?> |
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?> |