--TEST-- Test wrong number of arguments for microtime() --FILE-- 'v', array(0)), new stdClass, 1); foreach ($bad_args as $bad_arg) { echo "\n--> bad arg: "; var_dump($bad_arg); var_dump(microtime($bad_arg)); } ?> ===DONE=== --EXPECTF-- -- Too many arguments -- Warning: microtime() expects at most 1 parameter, 2 given in %s on line 11 NULL -- Bad Arg types -- --> bad arg: NULL string(%d) "%s %s" --> bad arg: float(1.5) float(%s) --> bad arg: string(5) "hello" float(%s) --> bad arg: array(2) { ["k"]=> string(1) "v" [0]=> array(1) { [0]=> int(0) } } Warning: microtime() expects parameter 1 to be boolean, array given in %s on line 25 NULL --> bad arg: object(stdClass)#%d (0) { } Warning: microtime() expects parameter 1 to be boolean, object given in %s on line 25 NULL --> bad arg: int(1) float(%s) ===DONE===