= 1.9.0)Swoole\WebSocket\Server::exist — Check if the file descriptor exists.說明public Swoole\WebSocket\Ser">

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Swoole\WebSocket\Server
Check if the file descriptor exists.

Swoole\WebSocket\Server::exist

(PECL swoole >= 1.9.0)

Swoole\WebSocket\Server::exist — Check if the file descriptor exists.

說明

public Swoole\WebSocket\Server::exist(int $fd): bool

參數(shù)

fd

返回值