register_block_type_from_metadata example

return sprintf(
        '<div %1$s>%2$s</div>',
        $wrapper_attributes,
        $comment_author
    );
}

/** * Registers the `core/comment-author-name` block on the server. */
function register_block_core_comment_author_name() {
    register_block_type_from_metadata(
        __DIR__ . '/comment-author-name',
        array(
            'render_callback' => 'render_block_core_comment_author_name',
        )
    );
}
add_action( 'init', 'register_block_core_comment_author_name' );

    wp_enqueue_script( 'comment-reply' );
    enqueue_legacy_post_comments_block_styles( $block->name );

    return sprintf( '<div %1$s>%2$s</div>', $wrapper_attributes, $output );
}

/** * Registers the `core/comments` block on the server. */
function register_block_core_comments() {
    register_block_type_from_metadata(
        __DIR__ . '/comments',
        array(
            'render_callback'   => 'render_block_core_comments',
            'skip_inner_blocks' => true,
        )
    );
}
add_action( 'init', 'register_block_core_comments' );

/** * Use the button block classes for the form-submit button. * * @param array $fields The default comment form arguments. * * @return array Returns the modified fields. */

$html .= $inner_block->render();
    }
    $html .= '</div>';

    return $html;
}

/** * Registers the 'core/widget-group' block. */
function register_block_core_widget_group() {
    register_block_type_from_metadata(
        __DIR__ . '/widget-group',
        array(
            'render_callback' => 'render_block_core_widget_group',
        )
    );
}

add_action( 'init', 'register_block_core_widget_group' );

/** * Make a note of the sidebar being rendered before WordPress starts rendering * it. This lets us get to the current sidebar in * render_block_core_widget_group(). * * @param int|string $index Index, name, or ID of the dynamic sidebar. */

$nav_element_directives
    );
}

/** * Register the navigation block. * * @uses render_block_core_navigation() * @throws WP_Error An WP_Error exception parsing the block definition. */
function register_block_core_navigation() {
    register_block_type_from_metadata(
        __DIR__ . '/navigation',
        array(
            'render_callback' => 'render_block_core_navigation',
        )
    );
}

add_action( 'init', 'register_block_core_navigation' );

/** * Filter that changes the parsed attribute values of navigation blocks contain typographic presets to contain the values directly. * * @param array $parsed_block The block being rendered. * * @return array The block being rendered without typographic presets. */

<?php /** * Server-side rendering of the `core/query` block. * * @package WordPress */

/** * Registers the `core/query` block on the server. */
function register_block_core_query() {
    register_block_type_from_metadata(
        __DIR__ . '/query'
    );
}
add_action( 'init', 'register_block_core_query' );

return sprintf(
        '<p %1$s>%2$s</p>',
        $wrapper_attributes,
        $site_tagline
    );
}

/** * Registers the `core/site-tagline` block on the server. */
function register_block_core_site_tagline() {
    register_block_type_from_metadata(
        __DIR__ . '/site-tagline',
        array(
            'render_callback' => 'render_block_core_site_tagline',
        )
    );
}
add_action( 'init', 'register_block_core_site_tagline' );

$wrapper_attributes,
            $label
        );
    }
    return $content;
}

/** * Registers the `core/query-pagination-previous` block on the server. */
function register_block_core_query_pagination_previous() {
    register_block_type_from_metadata(
        __DIR__ . '/query-pagination-previous',
        array(
            'render_callback' => 'render_block_core_query_pagination_previous',
        )
    );
}
add_action( 'init', 'register_block_core_query_pagination_previous' );

'<div %1$s><time datetime="%2$s">%3$s</time></div>',
        $wrapper_attributes,
        $unformatted_date,
        $formatted_date
    );
}

/** * Registers the `core/post-date` block on the server. */
function register_block_core_post_date() {
    register_block_type_from_metadata(
        __DIR__ . '/post-date',
        array(
            'render_callback' => 'render_block_core_post_date',
        )
    );
}
add_action( 'init', 'register_block_core_post_date' );

 else {
        $content .= " $more_text</p>";
    }
    remove_filter( 'excerpt_more', $filter_excerpt_more );
    return sprintf( '<div %1$s>%2$s</div>', $wrapper_attributes, $content );
}

/** * Registers the `core/post-excerpt` block on the server. */
function register_block_core_post_excerpt() {
    register_block_type_from_metadata(
        __DIR__ . '/post-excerpt',
        array(
            'render_callback' => 'render_block_core_post_excerpt',
        )
    );
}
add_action( 'init', 'register_block_core_post_excerpt' );

/** * If themes or plugins filter the excerpt_length, we need to * override the filter in the editor, otherwise * the excerpt length block setting has no effect. * Returns 100 because 100 is the max length in the setting. */

    if ( ! empty( $styles['css'] ) ) {
        $attributes['style'] = $styles['css'];
    }
    return $attributes;
}

/** * Registers the `core/avatar` block on the server. */
function register_block_core_avatar() {
    register_block_type_from_metadata(
        __DIR__ . '/avatar',
        array(
            'render_callback' => 'render_block_core_avatar',
        )
    );
}
add_action( 'init', 'register_block_core_avatar' );

<?php /** * Server-side rendering of the `core/page-list-item` block. * * @package WordPress */

/** * Registers the `core/page-list-item` block on server. */
function register_block_core_page_list_item() {
    register_block_type_from_metadata( __DIR__ . '/page-list-item' );
}
add_action( 'init', 'register_block_core_page_list_item' );

    ob_start();
    the_widget( $widget_key, $instance, $args );
    return ob_get_clean();
}

/** * Registers the 'core/legacy-widget' block. */
function register_block_core_legacy_widget() {
    register_block_type_from_metadata(
        __DIR__ . '/legacy-widget',
        array(
            'render_callback' => 'render_block_core_legacy_widget',
        )
    );
}

add_action( 'init', 'register_block_core_legacy_widget' );

/** * Intercepts any request with legacy-widget-preview in the query param and, if * set, renders a page containing a preview of the requested Legacy Widget * block. */

 : sprintf(
        '<div %1$s>%2$s</div>',
        $wrapper_attributes,
        __( 'No comments to show.' )
    );
}

/** * Registers the `core/latest-comments` block. */
function register_block_core_latest_comments() {
    register_block_type_from_metadata(
        __DIR__ . '/latest-comments',
        array(
            'render_callback' => 'render_block_core_latest_comments',
        )
    );
}

add_action( 'init', 'register_block_core_latest_comments' );

    if ( ! empty( $styles['css'] ) ) {
        $attributes['style'] = $styles['css'];
    }
    return $attributes;
}

/** * Registers the `core/post-featured-image` block on the server. */
function register_block_core_post_featured_image() {
    register_block_type_from_metadata(
        __DIR__ . '/post-featured-image',
        array(
            'render_callback' => 'render_block_core_post_featured_image',
        )
    );
}
add_action( 'init', 'register_block_core_post_featured_image' );

    $wrapper_attributes = get_block_wrapper_attributes( array( 'class' => implode( ' ', $classnames ) ) );

    return sprintf( '<ul %s>%s</ul>', $wrapper_attributes, $list_items );
}

/** * Registers the `core/rss` block on server. */
function register_block_core_rss() {
    register_block_type_from_metadata(
        __DIR__ . '/rss',
        array(
            'render_callback' => 'render_block_core_rss',
        )
    );
}
add_action( 'init', 'register_block_core_rss' );