original_string: public function sortedSetOf(): self
      {
          $obj = clone $this;
          usort($obj->_elements,
              function (Element $a, Element $b) {
                  $a_der = $a->toDER();
                  $b_der = $b->toDER();
                  return strcmp($a_der, $b_der);
              });
          return $obj;
      }
code: public function sortedSetOf(): self
      {
          $obj = clone $this;
          usort($obj->_elements,
              function (Element $a, Element $b) {
                  $a_der = $a->toDER();
                  $b_der = $b->toDER();
                  return strcmp($a_der, $b_der);
              });
          return $obj;
      }
code_tokens: public function sortedSetOf ( ) : self { $ obj = clone $ this ; usort ( $ obj -> _elements , function ( Element $ a , Element $ b ) { $ a_der = $ a -> toDER ( ) ; $ b_der = $ b -> toDER ( ) ; return strcmp ( $ a_der , $ b_der ) ; } ) ; return $ obj ; }
docstring: Sort by encoding ascending order.
  Used for DER encoding of SET OF type.
  
  @return self
docstring_tokens: Sort by encoding ascending order . Used for DER encoding of SET OF type .