File Content: latest-posts.php <?php /** * Server-side rendering of the `core/latest-posts` block. * * @package WordPress */ /** * The excerpt length set by the Latest Posts core block * set at render time and used by the block itself. * * @var int */ global $block_core_latest_posts_excerpt_length; $block_core_latest_posts_excerpt_length = 0; /** * Callback for the excerpt_length filter used by * the Latest Posts block at render time. * * @since 5.4.0 * * @return int Returns the global $block_core_latest_posts_excerpt_length variable * to allow the excerpt_length filter respect the Latest Block setting. */ function block_core_latest_posts_get_excerpt_length() { global $block_core_latest_posts_excerpt_length; return $block_core_latest_posts_excerpt_length; } /** * Renders the `core/latest-posts` block on server. * * @since 5.0.0 * * @param array $attributes The block attributes. * * @return string Returns the post content with latest posts added. */ function render_block_core_latest_posts( $attributes ) { global $post, $block_core_latest_posts_excerpt_length; $args = array( 'posts_per_page' => $attributes['postsToShow'], 'post_status' => 'publish', 'order' => $attributes['order'], 'orderby' => $attributes['orderBy'], 'ignore_sticky_posts' => true, 'no_found_rows' => true, ); $block_core_latest_posts_excerpt_length = $attributes['excerptLength']; add_filter( 'excerpt_length', 'block_core_latest_posts_get_excerpt_length', 20 ); if ( ! empty( $attributes['categories'] ) ) { $args['category__in'] = array_column( $attributes['categories'], 'id' ); } if ( isset( $attributes['selectedAuthor'] ) ) { $args['author'] = $attributes['selectedAuthor']; } $query = new WP_Query(); $recent_posts = $query->query( $args ); if ( isset( $attributes['displayFeaturedImage'] ) && $attributes['displayFeaturedImage'] ) { update_post_thumbnail_cache( $query ); } $list_items_markup = ''; foreach ( $recent_posts as $post ) { $post_link = esc_url( get_permalink( $post ) ); $title = get_the_title( $post ); if ( ! $title ) { $title = __( '(no title)' ); } $list_items_markup .= '<li>'; if ( $attributes['displayFeaturedImage'] && has_post_thumbnail( $post ) ) { $image_style = ''; if ( isset( $attributes['featuredImageSizeWidth'] ) ) { $image_style .= sprintf( 'max-width:%spx;', $attributes['featuredImageSizeWidth'] ); } if ( isset( $attributes['featuredImageSizeHeight'] ) ) { $image_style .= sprintf( 'max-height:%spx;', $attributes['featuredImageSizeHeight'] ); } $image_classes = 'wp-block-latest-posts__featured-image'; if ( isset( $attributes['featuredImageAlign'] ) ) { $image_classes .= ' align' . $attributes['featuredImageAlign']; } $featured_image = get_the_post_thumbnail( $post, $attributes['featuredImageSizeSlug'], array( 'style' => esc_attr( $image_style ), ) ); if ( $attributes['addLinkToFeaturedImage'] ) { $featured_image = sprintf( '<a href="%1$s" aria-label="%2$s">%3$s</a>', esc_url( $post_link ), esc_attr( $title ), $featured_image ); } $list_items_markup .= sprintf( '<div class="%1$s">%2$s</div>', esc_attr( $image_classes ), $featured_image ); } $list_items_markup .= sprintf( '<a class="wp-block-latest-posts__post-title" href="%1$s">%2$s</a>', esc_url( $post_link ), $title ); if ( isset( $attributes['displayAuthor'] ) && $attributes['displayAuthor'] ) { $author_display_name = get_the_author_meta( 'display_name', $post->post_author ); /* translators: byline. %s: author. */ $byline = sprintf( __( 'by %s' ), $author_display_name ); if ( ! empty( $author_display_name ) ) { $list_items_markup .= sprintf( '<div class="wp-block-latest-posts__post-author">%1$s</div>', $byline ); } } if ( isset( $attributes['displayPostDate'] ) && $attributes['displayPostDate'] ) { $list_items_markup .= sprintf( '<time datetime="%1$s" class="wp-block-latest-posts__post-date">%2$s</time>', esc_attr( get_the_date( 'c', $post ) ), get_the_date( '', $post ) ); } if ( isset( $attributes['displayPostContent'] ) && $attributes['displayPostContent'] && isset( $attributes['displayPostContentRadio'] ) && 'excerpt' === $attributes['displayPostContentRadio'] ) { $trimmed_excerpt = get_the_excerpt( $post ); /* * Adds a "Read more" link with screen reader text. * [&hellip;] is the default excerpt ending from wp_trim_excerpt() in Core. */ if ( str_ends_with( $trimmed_excerpt, ' [&hellip;]' ) ) { /** This filter is documented in wp-includes/formatting.php */ $excerpt_length = (int) apply_filters( 'excerpt_length', $block_core_latest_posts_excerpt_length ); if ( $excerpt_length <= $block_core_latest_posts_excerpt_length ) { $trimmed_excerpt = substr( $trimmed_excerpt, 0, -11 ); $trimmed_excerpt .= sprintf( /* translators: 1: A URL to a post, 2: Hidden accessibility text: Post title */ __( '… <a class="wp-block-latest-posts__read-more" href="%1$s" rel="noopener noreferrer">Read more<span class="screen-reader-text">: %2$s</span></a>' ), esc_url( $post_link ), esc_html( $title ) ); } } if ( post_password_required( $post ) ) { $trimmed_excerpt = __( 'This content is password protected.' ); } $list_items_markup .= sprintf( '<div class="wp-block-latest-posts__post-excerpt">%1$s</div>', $trimmed_excerpt ); } if ( isset( $attributes['displayPostContent'] ) && $attributes['displayPostContent'] && isset( $attributes['displayPostContentRadio'] ) && 'full_post' === $attributes['displayPostContentRadio'] ) { $post_content = html_entity_decode( $post->post_content, ENT_QUOTES, get_option( 'blog_charset' ) ); if ( post_password_required( $post ) ) { $post_content = __( 'This content is password protected.' ); } $list_items_markup .= sprintf( '<div class="wp-block-latest-posts__post-full-content">%1$s</div>', wp_kses_post( $post_content ) ); } $list_items_markup .= "</li>\n"; } remove_filter( 'excerpt_length', 'block_core_latest_posts_get_excerpt_length', 20 ); $classes = array( 'wp-block-latest-posts__list' ); if ( isset( $attributes['postLayout'] ) && 'grid' === $attributes['postLayout'] ) { $classes[] = 'is-grid'; } if ( isset( $attributes['columns'] ) && 'grid' === $attributes['postLayout'] ) { $classes[] = 'columns-' . $attributes['columns']; } if ( isset( $attributes['displayPostDate'] ) && $attributes['displayPostDate'] ) { $classes[] = 'has-dates'; } if ( isset( $attributes['displayAuthor'] ) && $attributes['displayAuthor'] ) { $classes[] = 'has-author'; } if ( isset( $attributes['style']['elements']['link']['color']['text'] ) ) { $classes[] = 'has-link-color'; } $wrapper_attributes = get_block_wrapper_attributes( array( 'class' => implode( ' ', $classes ) ) ); return sprintf( '<ul %1$s>%2$s</ul>', $wrapper_attributes, $list_items_markup ); } /** * Registers the `core/latest-posts` block on server. * * @since 5.0.0 */ function register_block_core_latest_posts() { register_block_type_from_metadata( __DIR__ . '/latest-posts', array( 'render_callback' => 'render_block_core_latest_posts', ) ); } add_action( 'init', 'register_block_core_latest_posts' ); /** * Handles outdated versions of the `core/latest-posts` block by converting * attribute `categories` from a numeric string to an array with key `id`. * * This is done to accommodate the changes introduced in #20781 that sought to * add support for multiple categories to the block. However, given that this * block is dynamic, the usual provisions for block migration are insufficient, * as they only act when a block is loaded in the editor. * * TODO: Remove when and if the bottom client-side deprecation for this block * is removed. * * @since 5.5.0 * * @param array $block A single parsed block object. * * @return array The migrated block object. */ function block_core_latest_posts_migrate_categories( $block ) { if ( 'core/latest-posts' === $block['blockName'] && ! empty( $block['attrs']['categories'] ) && is_string( $block['attrs']['categories'] ) ) { $block['attrs']['categories'] = array( array( 'id' => absint( $block['attrs']['categories'] ) ), ); } return $block; } add_filter( 'render_block_data', 'block_core_latest_posts_migrate_categories' ); Submit