private function hasRequiredParams()
    {
        return array_key_exists(self::PARAM_REMOTE_ADDR, $this->container) && array_key_exists(self::PARAM_USER_AGENT, $this->container);
    }
private function hasRequiredParams()
    {
        return array_key_exists(self::PARAM_REMOTE_ADDR, $this->container) && array_key_exists(self::PARAM_USER_AGENT, $this->container);
    }
private function hasRequiredParams ( ) { return array_key_exists ( self :: PARAM_REMOTE_ADDR , $ this -> container ) && array_key_exists ( self :: PARAM_USER_AGENT , $ this -> container ) ; }
Checks whether container data has required keys

@return boolean
Checks whether container data has required keys