original_string: protected function getRecallerId()
      {
          if ($this->validRecaller($recaller = $this->getRecaller())) {
              $segments = explode('|', $recaller);
  
              return head($segments);
          }
      }
code: protected function getRecallerId()
      {
          if ($this->validRecaller($recaller = $this->getRecaller())) {
              $segments = explode('|', $recaller);
  
              return head($segments);
          }
      }
code_tokens: protected function getRecallerId ( ) { if ( $ this -> validRecaller ( $ recaller = $ this -> getRecaller ( ) ) ) { $ segments = explode ( '|' , $ recaller ) ; return head ( $ segments ) ; } }
docstring: Get the user ID from the recaller cookie.
  
  @return string
docstring_tokens: Get the user ID from the recaller cookie .