OrientDB/OrientDBSocket.php
public function read($length = null)
    {
        $data = fread($this->socket, $length === null ? $this->bufferLen : $length);
        if ($this->debug) {
            OrientDBHelpers::hexDump($data);
        }
        return $data;
    }
public function read($length = null)
    {
        $data = fread($this->socket, $length === null ? $this->bufferLen : $length);
        if ($this->debug) {
            OrientDBHelpers::hexDump($data);
        }
        return $data;
    }
Read bytes from socket
@param int $length Bytes to read
@return string