欧美AV无码一区二区,麻豆+无码+国产在线+观看,欧美狂躁少妇XXXX高潮无码,美女扒开屁股让男人桶免费观看,极品粉嫩国产18尤物在线播放

<label id="wbe57"></label>

stream_supports_lock

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

stream_supports_lock — Tells whether the stream supports locking

stream_supports_lock(resource $stream): bool

Tells whether the stream supports locking through flock().

成功時(shí)返回 true，或者在失敗時(shí)返回 false。