protected function _maybe_refresh_cache( $url ) {
		$cache = Cache::get( $url );

		if ( ! $cache || is_admin() ) {
			Cache::refresh( $url );
		}
	}
protected function _maybe_refresh_cache( $url ) {
		$cache = Cache::get( $url );

		if ( ! $cache || is_admin() ) {
			Cache::refresh( $url );
		}
	}
protected function _maybe_refresh_cache ( $ url ) { $ cache = Cache :: get ( $ url ) ; if ( ! $ cache || is_admin ( ) ) { Cache :: refresh ( $ url ) ; } }
Refresh cache if the cache is expired or is_admin

@param string $url
@return void
Refresh cache if the cache is expired or is_admin