src/Epkm/MessagePackRpc/Back.php
public function connect($host, $port) {

        if (!$this->reuseConnection) {
            ErrorHandler::start();
            $sock = fsockopen($host, $port);
            ErrorHandler::stop();

            return $sock;
        }

        $sock = $this->clientSocket;

        if ($sock && !feof($sock)) {
            return $sock;
        }

        if (!$sock) {
            ErrorHandler::start();
            $sock = fsockopen($host, $port);
            ErrorHandler::stop();
        } else if (feof($sock)) {
            ErrorHandler::start();
            $sock = fsockopen($host, $port);
            ErrorHandler::stop();
        }

        $this->clientSocket = $sock;

        return $sock;
    }
public function connect($host, $port) {

        if (!$this->reuseConnection) {
            ErrorHandler::start();
            $sock = fsockopen($host, $port);
            ErrorHandler::stop();

            return $sock;
        }

        $sock = $this->clientSocket;

        if ($sock && !feof($sock)) {
            return $sock;
        }

        if (!$sock) {
            ErrorHandler::start();
            $sock = fsockopen($host, $port);
            ErrorHandler::stop();
        } else if (feof($sock)) {
            ErrorHandler::start();
            $sock = fsockopen($host, $port);
            ErrorHandler::stop();
        }

        $this->clientSocket = $sock;

        return $sock;
    }
@param $host
@param $port

@return null|resource