stream_socket_shutdownstream_supports_lock
(PHP 5 >= 5.3.0)
stream_supports_lock — Tells whether the stream supports locking.
说明
bool stream_supports_lock
( resource
$stream
)Tells whether the stream supports locking through flock().
参数
-
stream -
The stream to check.
返回值
成功时返回 TRUE， 或者在失败时返回 FALSE。
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