public static function copyright($atts = array()) { $defaults = array(); $defaults['owner'] = Footer_Credits_Options::get_term('owner'); $defaults['copyright_start_year'] = Footer_Credits_Options::get_term('copyright_start_year'); $defaults['footer_class'] = self::CODE; $params = shortcode_atts($defaults, $atts); //apply plugin defaults return sprintf('<span class="%1$s">%2$s</span>', $params['footer_class'], self::copyright_owner($params)); }