shortcodes = $shortcodes; add_action( 'template_redirect', array( $this, 'add_shortcodes' ) ); } /** * For all of our defined unavailable shortcodes, if something else hasn't * already claimed them, add a handler to nullify their output. */ public function add_shortcodes() { foreach ( $this->shortcodes as $shortcode => $message ) { if ( ! shortcode_exists( $shortcode ) ) { add_shortcode( $shortcode, array( $this, 'stub_shortcode' ) ); } } } /** * Nullify the output of unavailable shortcodes. Includes a filter to make * it easier to notify admins that a shortcode that they used is unavailable. * * @param $atts * @param string $content * @param string $shortcode * @return mixed|void */ public function stub_shortcode( $atts, $content = '', $shortcode = '' ) { $str = ''; if ( current_user_can( 'edit_posts' ) && ! empty( $this->shortcodes[ $shortcode ] ) ) { $str = sprintf( '

%s

', $this->shortcodes[ $shortcode ] ); } /** * Filter the front-end output of unavailable shortcodes. * * @module shortcodes * * @since 4.5.0 * * @param string $str The html displayed in lieu of the shortcode. * @param array $atts The attributes (numeric or named) passed to the shortcode. * @param string $content The content (if any) between the opening and closing tags. * @param string $shortcode The shortcode tag used to invoke this. */ return apply_filters( 'jetpack_stub_shortcode', $str, $atts, $content, $shortcode ); } } new Jetpack_Shortcode_Unavailable( array( 'blip.tv' => __( 'The Blip.tv service has been shut down since August 20th, 2015.', 'jetpack' ), ) );