original_string: private function equals(array $set1, array $set2): bool
      {
          return array_diff($set1, $set2) == array_diff($set2, $set1);
      }
code: private function equals(array $set1, array $set2): bool
      {
          return array_diff($set1, $set2) == array_diff($set2, $set1);
      }
code_tokens: private function equals ( array $ set1 , array $ set2 ) : bool { return array_diff ( $ set1 , $ set2 ) == array_diff ( $ set2 , $ set1 ) ; }
docstring: Returns true if string representation of items does not differ.
  
  @param mixed[] $set1
  @param mixed[] $set2
docstring_tokens: Returns true if string representation of items does not differ .