flock lock ex php,php – flock有可能用LOCK_EX返回false吗？
标签：phpBy default, this function will block until the requested lock isacquired在下面我发现了以下示例代码：$fp = fopen("/tmp/lock.txt", "r+");if (flock($fp, LOCK_EX)) { // acquire an exclusive lockftruncate($fp, 0)...
