` returned by `comment_form()` // which is identified by its default classname `comment-respond` to inject // our wrapper attributes. This way, it is guaranteed that all styling applied // to the block is carried along when the comment form is moved to the location // of the 'Reply' link that the user clicked by Core's `comment-reply.js` script. $form = str_replace( 'class="comment-respond"', $wrapper_attributes, $form ); // Enqueue the comment-reply script. wp_enqueue_script( 'comment-reply' ); return $form; } /** * Registers the `core/post-comments-form` block on the server. * * @since 6.0.0 */ function register_block_core_post_comments_form() { register_block_type_from_metadata( __DIR__ . '/post-comments-form', array( 'render_callback' => 'render_block_core_post_comments_form', ) ); } add_action( 'init', 'register_block_core_post_comments_form' ); /** * Use the button block classes for the form-submit button. * * @since 6.0.0 * * @param array $fields The default comment form arguments. * * @return array Returns the modified fields. */ function post_comments_form_block_form_defaults( $fields ) { if ( wp_is_block_theme() ) { $fields['submit_button'] = ''; $fields['submit_field'] = '

%1$s %2$s

'; } return $fields; }