Swoole\WebSocket\Server
PHP Manual

Swoole\WebSocket\Server::exist

(PHP 5 >= 5.2.0, PHP 7, PECL swoole >= 1.9.0)

Swoole\WebSocket\Server::existCheck if the the file description is existed.

说明

public boolean Swoole\WebSocket\Server::exist ( integer $fd )

参数

fd

返回值


Swoole\WebSocket\Server
PHP Manual