original_string: protected static function retrieve_record_set($params) {
          $cache = cache::make('core', 'grade_categories');
          return $cache->get(self::generate_record_set_key($params));
      }
code: protected static function retrieve_record_set($params) {
          $cache = cache::make('core', 'grade_categories');
          return $cache->get(self::generate_record_set_key($params));
      }
code_tokens: protected static function retrieve_record_set ( $ params ) { $ cache = cache :: make ( 'core' , 'grade_categories' ) ; return $ cache -> get ( self :: generate_record_set_key ( $ params ) ) ; }
docstring: Tries to retrieve a record set from the cache.
  
  @param array $params The query params
  @return grade_object[]|bool An array of grade_objects or false if not found.
docstring_tokens: Tries to retrieve a record set from the cache .