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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: is_a.php,v 1.16 2005/01/26 04:55:13 aidan Exp $ |
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// $Id: is_a.php,v 1.16 2005/01/26 04:55:13 aidan Exp $ |
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/** |
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/** |
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* Replace function is_a() |
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* Replace function is_a() |
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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.is_a |
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* @link http://php.net/function.is_a |
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* @author Aidan Lister <aidan@php.net> |
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* @author Aidan Lister <aidan@php.net> |
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* @version $Revision: 1.16 $ |
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* @version $Revision: 1.16 $ |
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* @since PHP 4.2.0 |
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* @since PHP 4.2.0 |
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* @require PHP 4.0.0 (user_error) (is_subclass_of) |
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* @require PHP 4.0.0 (user_error) (is_subclass_of) |
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*/ |
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*/ |
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if (!function_exists('is_a')) { |
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if (!function_exists('is_a')) { |
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function is_a($object, $class) |
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function is_a($object, $class) |
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{ |
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{ |
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if (!is_object($object)) { |
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if (!is_object($object)) { |
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return false; |
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return false; |
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} |
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} |
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if (get_class($object) == strtolower($class)) { |
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if (get_class($object) == strtolower($class)) { |
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return true; |
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return true; |
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} else { |
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} else { |
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return is_subclass_of($object, $class); |
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return is_subclass_of($object, $class); |
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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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