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<Swoole\WebSocket\ServerSwoole\WebSocket\Server::on>
^Swoole\WebSocket\ServerLast updated: Mon, 26 Oct 2026

Swoole\WebSocket\Server::exist

(PECL swoole >= 1.9.0)

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

Description

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

Parameters

fd

Return Values


<Swoole\WebSocket\ServerSwoole\WebSocket\Server::on>
^Swoole\WebSocket\ServerLast updated: Mon, 26 Oct 2026