original_string: public function get($key = null)
      {
          if (Arr::key($key, $this->_data)) {
              return $this->_data[$key];
          }
  
          return $this->_data;
      }
code: public function get($key = null)
      {
          if (Arr::key($key, $this->_data)) {
              return $this->_data[$key];
          }
  
          return $this->_data;
      }
code_tokens: public function get ( $ key = null ) { if ( Arr :: key ( $ key , $ this -> _data ) ) { return $ this -> _data [ $ key ] ; } return $ this -> _data ; }
docstring: Get replacement val or all list.
  
  @param   null|string|int $key
  @return  array
docstring_tokens: Get replacement val or all list .