peter-gribanov / sphinx-php-client

        $len = 8 + strlen($req);

        $req = pack('nnNNN', self::SEARCHD_COMMAND_SEARCH, self::VER_COMMAND_SEARCH, $len, 0, $nreqs) . $req; // add header

        if (!$this->send($fp, $req, $len + 8) || !($response = $this->getResponse($fp, self::VER_COMMAND_SEARCH))) {

            $this->mbPop();

            return false;

        }

        // query sent ok; we can reset reqs now

        $this->reqs = array();

        $len = strlen($req);

        $req = pack('nnN', self::SEARCHD_COMMAND_EXCERPT, self::VER_COMMAND_EXCERPT, $len) . $req; // add header

        if (!$this->send($fp, $req, $len + 8) || !($response = $this->getResponse($fp, self::VER_COMMAND_EXCERPT))) {

            $this->mbPop();

            return false;

        }

        //////////////////

        // parse response

        $len = strlen($req);

        $req = pack('nnN', self::SEARCHD_COMMAND_KEYWORDS, self::VER_COMMAND_KEYWORDS, $len) . $req; // add header

        if (!$this->send($fp, $req, $len + 8) || !($response = $this->getResponse($fp, self::VER_COMMAND_KEYWORDS))) {

            $this->mbPop();

            return false;

        }

        //////////////////

        // parse response

        }

        $req = pack('nnNN', self::SEARCHD_COMMAND_STATUS, self::VER_COMMAND_STATUS, 4, $session ? 0 : 1); // len=4, body=1

        if (!$this->send($fp, $req, 12) || !($response = $this->getResponse($fp, self::VER_COMMAND_STATUS))) {

            $this->mbPop();

            return false;

        }

        $res = substr($response, 4); // just ignore length, error handling, etc

        $p = 0;

        }

        $req = pack('nnN', self::SEARCHD_COMMAND_FLUSH_ATTRS, self::VER_COMMAND_FLUSH_ATTRS, 0); // len=0

        if (!$this->send($fp, $req, 8) || !($response = $this->getResponse($fp, self::VER_COMMAND_FLUSH_ATTRS))) {

            $this->mbPop();

            return -1;

        }

        $tag = -1;

        if (strlen($response) == 4) {