src/Socket/SocketErrorHandler.php
public function setSocket($socket)
    {
        if (!is_resource($socket)) {
            throw new ConnectionException('Socket don\'t is resource');
        } elseif (get_resource_type($socket) !== 'Socket') {
            throw new ConnectionException('Unknown resource type: ' . get_resource_type($socket));
        }
        $this->socket = $socket;
    }
public function setSocket($socket)
    {
        if (!is_resource($socket)) {
            throw new ConnectionException('Socket don\'t is resource');
        } elseif (get_resource_type($socket) !== 'Socket') {
            throw new ConnectionException('Unknown resource type: ' . get_resource_type($socket));
        }
        $this->socket = $socket;
    }
@param $socket

@throws ConnectionException