stream_supports_lock
(PHP 5 >= 5.3.0, PHP 7)
stream_supports_lock — Tells whether the stream supports locking
Description
stream_supports_lock ( resource $stream ) : bool
Tells whether the stream supports locking through flock().
Parameters
-
stream
-
The stream to check.
Return Values
Returns true
on success or false
on failure.
See Also
- flock() - Portable advisory file locking
© 1997–2020 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.stream-supports-lock.php