Edit file File name : nextdoor.php Content :<?php /** * Nextdoor Block. * * @since 12.8 * * @package automattic/jetpack */ namespace Automattic\Jetpack\Extensions\Nextdoor; use Automattic\Jetpack\Blocks; use Jetpack_Gutenberg; /** * Registers the block for use in Gutenberg * This is done via an action so that we can disable * registration if we need to. */ function register_block() { Blocks::jetpack_register_block( __DIR__, array( 'render_callback' => __NAMESPACE__ . '\load_assets' ) ); } add_action( 'init', __NAMESPACE__ . '\register_block' ); /** * Nextdoor block registration/dependency declaration. * * @param array $attr Array containing the Nextdoor block attributes. * @return string */ function load_assets( $attr ) { if ( ! isset( $attr['url'] ) ) { return; } $url = Jetpack_Gutenberg::validate_block_embed_url( $attr['url'], array( '/^http[s]?:\/\/((?:www\.)?nextdoor(?:.*)?\/(?:embed)\/\S*)/i' ), true ); if ( empty( $url ) ) { return; } $url = preg_replace( '#/embed/#', '/p/', $url ); /* * Enqueue necessary scripts and styles. */ Jetpack_Gutenberg::load_assets_as_required( __DIR__ ); $block_id = wp_unique_id( 'nextdoor-block-' ); $link_markup = '<a href="' . esc_url( $url ) . '" title="' . esc_html__( 'Nextdoor embed', 'jetpack' ) . '">' . esc_html( $url ) . '</a>'; $block_classes = Blocks::classes( Blocks::get_block_feature( __DIR__ ), $attr ); $html = '<figure id="' . esc_attr( $block_id ) . '" class="' . esc_attr( $block_classes ) . '">' . $link_markup . '</figure>'; return $html; } Save