original_string: public function current()
      {
          $callback = $this->_callback;
  
          return $callback(parent::current(), $this->key(), $this->_innerIterator);
      }
code: public function current()
      {
          $callback = $this->_callback;
  
          return $callback(parent::current(), $this->key(), $this->_innerIterator);
      }
code_tokens: public function current ( ) { $ callback = $ this -> _callback ; return $ callback ( parent :: current ( ) , $ this -> key ( ) , $ this -> _innerIterator ) ; }
docstring: Returns the value returned by the callback after passing the current value in
  the iteration
  
  @return mixed
docstring_tokens: Returns the value returned by the callback after passing the current value in the iteration