/** * This function is slightly different from the one below in the case of: * an image hosted on the same domain BUT on a different site than the * Wordpress install will be reported as external content. * * @param string $url a URL to evaluate against * @return boolean if $url points to an external location returns true */ public static function is_external_content($url) { $is_external = TimberURLHelper::is_absolute($url) && !TimberURLHelper::is_internal_content($url); return $is_external; }