GoLang Swoole\WebSocket\Server::exist

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PHP Swoole\WebSocket\Server::exist

PHP original manual for Swoole\WebSocket\Server::exist [ show | php.net ]

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

Swoole\WebSocket\Server::exist — Check if the the file description is existed.

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