protected function checkFacebookExternalHit()
    {
        if (stristr($this->_agent, 'FacebookExternalHit')) {
            $this->setRobot(true);
            $this->setFacebook(true);
            return true;
        }
        return false;
    }
protected function checkFacebookExternalHit()
    {
        if (stristr($this->_agent, 'FacebookExternalHit')) {
            $this->setRobot(true);
            $this->setFacebook(true);
            return true;
        }
        return false;
    }
protected function checkFacebookExternalHit ( ) { if ( stristr ( $ this -> _agent , 'FacebookExternalHit' ) ) { $ this -> setRobot ( true ) ; $ this -> setFacebook ( true ) ; return true ; } return false ; }
Detect if URL is loaded from FacebookExternalHit
@return boolean True if it detects FacebookExternalHit otherwise false
Detect if URL is loaded from FacebookExternalHit