note 70373 added to function.is-subclass-of

For PHP4: /** Returns whether specified class is subclass of the other class. */ function is_subclass($sClass, $sExpectedParentClass){ do if( $sExpectedParentClass === $sClass ) return true; while( false != ($sClass = get_parent_class($sClass)) ); return false; } // Test: class A {} class B extends A {} class C extends B {} echo (int) is_subclass('C', 'A'); ---- Server IP: 147.32.160.17 Probable Submitter: 147.229.206.64 ---- Manual Page -- http://www.php.net/manual/en/function.is-subclass-of.php Edit -- https://master.php.net/note/edit/70373 Del: integrated -- https://master.php.net/note/delete/70373/integrated Del: useless -- https://master.php.net/note/delete/70373/useless Del: bad code -- https://master.php.net/note/delete/70373/bad+code Del: spam -- https://master.php.net/note/delete/70373/spam Del: non-english -- https://master.php.net/note/delete/70373/non-english Del: in docs -- https://master.php.net/note/delete/70373/in+docs Del: other reasons-- https://master.php.net/note/delete/70373 Reject -- https://master.php.net/note/reject/70373 Search -- https://master.php.net/manage/user-notes.php