protected function getRecallerId()
    {
        if ($this->validRecaller($recaller = $this->getRecaller())) {
            $segments = explode('|', $recaller);

            return head($segments);
        }
    }
protected function getRecallerId()
    {
        if ($this->validRecaller($recaller = $this->getRecaller())) {
            $segments = explode('|', $recaller);

            return head($segments);
        }
    }
protected function getRecallerId ( ) { if ( $ this -> validRecaller ( $ recaller = $ this -> getRecaller ( ) ) ) { $ segments = explode ( '|' , $ recaller ) ; return head ( $ segments ) ; } }
Get the user ID from the recaller cookie.

@return string
Get the user ID from the recaller cookie .