--TEST-- flock() tests --FILE-- <?php $file = dirname(__FILE__)."/flock.dat"; var_dump(flock()); var_dump(flock("", "", $var)); $fp = fopen($file, "w"); fclose($fp); var_dump(flock($fp, LOCK_SH|LOCK_NB)); $fp = fopen($file, "w"); var_dump(flock($fp, LOCK_SH|LOCK_NB)); var_dump(flock($fp, LOCK_UN)); var_dump(flock($fp, LOCK_EX)); var_dump(flock($fp, LOCK_UN)); $would = array(1,2,3); var_dump(flock($fp, LOCK_SH|LOCK_NB, $would)); var_dump($would); var_dump(flock($fp, LOCK_UN, $would)); var_dump($would); var_dump(flock($fp, LOCK_EX, $would)); var_dump($would); var_dump(flock($fp, LOCK_UN, $would)); var_dump($would); var_dump(flock($fp, -1)); var_dump(flock($fp, 0)); @unlink($file); echo "Done\n"; ?> --EXPECTF-- Warning: flock() expects at least 2 parameters, 0 given in %s on line %d NULL Warning: flock() expects parameter 1 to be resource, string given in %s on line %d NULL Warning: flock(): %d is not a valid stream resource in %s on line %d bool(false) bool(true) bool(true) bool(true) bool(true) bool(true) int(0) bool(true) int(0) bool(true) int(0) bool(true) int(0) bool(true) Warning: flock(): Illegal operation argument in %s on line %d bool(false) Done