get_site_url() ) ); } static function is_embedding_in_iframe() { return ( self::has_iframe_get_param() && ( self::has_preview_get_param() || self::has_preview_theme_preview_param() ) ); } private static function has_iframe_get_param() { return isset( $_GET['iframe'] ) && $_GET['iframe'] === 'true'; } private static function has_preview_get_param() { return isset( $_GET['preview'] ) && $_GET['preview'] === 'true'; } private static function has_preview_theme_preview_param() { return isset( $_GET['theme_preview'] ) && $_GET['theme_preview'] === 'true'; } /** * Disable `autoplay` shortcode attribute in context of an iframe * Added via `shortcode_atts_video` & `shortcode_atts_audio` in `init` * * @param array $atts The output array of shortcode attributes. * * @return array The output array of shortcode attributes. */ static function disable_autoplay( $atts ) { return array_merge( $atts, array( 'autoplay' => false ) ); } /** * We don't want search engines to index iframe previews * Added via `wp_head` action in `init` */ static function noindex() { echo ''; } /** * Make sure all links and forms open in a new window by default * (unless overridden on client-side by JS) * Added via `wp_head` action in `init` */ static function base_target_blank() { echo ''; } }