This method returns TRUE on custom wrappers by default if you don't implement the stream_lock() method inside the wrapper : http://php.net/manual/en/streamwrapper.stream-lock.php
stream_supports_lock
(PHP 5 >= 5.3.0, PHP 7)
stream_supports_lock — Tells whether the stream supports locking.
설명
bool stream_supports_lock
( resource
$stream
)Tells whether the stream supports locking through flock().
인수
-
stream -
The stream to check.
반환값
성공 시 TRUE를, 실패 시 FALSE를 반환합니다.
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User Contributed Notes 1 note
romain dot ardiet at gmail dot com ¶
9 years ago
