original_string: public function current()
      {
          if (array_key_exists($this->position, $this->results)) {
              return $this->results[$this->position];
          }
      }
code: public function current()
      {
          if (array_key_exists($this->position, $this->results)) {
              return $this->results[$this->position];
          }
      }
code_tokens: public function current ( ) { if ( array_key_exists ( $ this -> position , $ this -> results ) ) { return $ this -> results [ $ this -> position ] ; } }
docstring: Get the current element.
  
  @return mixed
docstring_tokens: Get the current element .