original_string: function sort ($type = 'sort', $flags = SORT_REGULAR, callable $fn = null)
    {
      if (!isset (self::$SORT_TYPES[$type]))
        throw new InvalidArgumentException ("Bad sort type: $type");
      $n = self::$SORT_TYPES[$type];
      $this->all ();  // force materialization of data.
      switch ($n) {
        case 1:
          $type ($this->data);
          break;
        case 2:
          $type ($this->data, $flags);
          break;
        case 3:
          $type ($this->data, $fn);
          break;
      }
      return $this;
    }
code: function sort ($type = 'sort', $flags = SORT_REGULAR, callable $fn = null)
    {
      if (!isset (self::$SORT_TYPES[$type]))
        throw new InvalidArgumentException ("Bad sort type: $type");
      $n = self::$SORT_TYPES[$type];
      $this->all ();  // force materialization of data.
      switch ($n) {
        case 1:
          $type ($this->data);
          break;
        case 2:
          $type ($this->data, $flags);
          break;
        case 3:
          $type ($this->data, $fn);
          break;
      }
      return $this;
    }
code_tokens: function sort ( $ type = 'sort' , $ flags = SORT_REGULAR , callable $ fn = null ) { if ( ! isset ( self :: $ SORT_TYPES [ $ type ] ) ) throw new InvalidArgumentException ( "Bad sort type: $type" ) ; $ n = self :: $ SORT_TYPES [ $ type ] ; $ this -> all ( ) ; // force materialization of data. switch ( $ n ) { case 1 : $ type ( $ this -> data ) ; break ; case 2 : $ type ( $ this -> data , $ flags ) ; break ; case 3 : $ type ( $ this -> data , $ fn ) ; break ; } return $ this ; }
docstring: Sorts the data by its keys.
  
  Note: this method materializes the data.
  
  @param string   $type  The type of sort to perform.<br>
  One of:
  'asort' | 'arsort' | 'krsort' | 'ksort' | 'natcasesort' | 'natsort' | 'rsort' | 'shuffle' |
  'sort' | 'uasort' | 'uksort' | 'usort'
  @param int      $flags One or more of the SORT_XXX constants.
  @param callable $fn    Can only be specified for sort types beginning with letter `u` (ex: `usort`).
  @return $this
docstring_tokens: Sorts the data by its keys .