Php/docs/function.stream-supports-lock
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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.