--TEST-- checkdate() tests --FILE-- <?php date_default_timezone_set('UTC'); var_dump(checkdate()); var_dump(checkdate(1,1,1)); var_dump(checkdate(2,29,2006)); var_dump(checkdate(31,6,2006)); var_dump(checkdate(1,1,32768)); var_dump(checkdate(1,1,32767)); var_dump(checkdate(-1,1,2006)); var_dump(checkdate(1,-1,2006)); var_dump(checkdate(1,1,-1)); echo "Done\n"; ?> --EXPECTF-- Warning: checkdate() expects exactly 3 parameters, 0 given in %s on line %d bool(false) bool(true) bool(false) bool(false) bool(false) bool(true) bool(false) bool(false) bool(false) Done