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<?php |
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/** |
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* Server-side rendering of the `core/latest-posts` block. |
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* |
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* @package WordPress |
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*/ |
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|
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/** |
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* The excerpt length set by the Latest Posts core block |
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* set at render time and used by the block itself. |
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* |
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* @var int |
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*/ |
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global $block_core_latest_posts_excerpt_length; |
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$block_core_latest_posts_excerpt_length = 0; |
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|
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/** |
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* Callback for the excerpt_length filter used by |
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* the Latest Posts block at render time. |
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* |
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* @since 5.4.0 |
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* |
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* @global int $block_core_latest_posts_excerpt_length Excerpt length set by the Latest Posts core block. |
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* |
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* @return int Returns the global $block_core_latest_posts_excerpt_length variable |
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* to allow the excerpt_length filter respect the Latest Block setting. |
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*/ |
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function gutenberg_block_core_latest_posts_get_excerpt_length() { |
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global $block_core_latest_posts_excerpt_length; |
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return $block_core_latest_posts_excerpt_length; |
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} |
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|
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/** |
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* Renders the `core/latest-posts` block on server. |
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* |
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* @since 5.0.0 |
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* |
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* @global WP_Post $post Global post object. |
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* @global int $block_core_latest_posts_excerpt_length Excerpt length set by the Latest Posts core block. |
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* |
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* @param array $attributes The block attributes. |
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* |
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* @return string Returns the post content with latest posts added. |
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*/ |
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function gutenberg_render_block_core_latest_posts( $attributes ) { |
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global $post, $block_core_latest_posts_excerpt_length; |
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static $rendering_stack = array(); |
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|
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$args = array( |
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'posts_per_page' => $attributes['postsToShow'], |
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'post_status' => 'publish', |
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'order' => $attributes['order'], |
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'orderby' => $attributes['orderBy'], |
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'ignore_sticky_posts' => true, |
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'no_found_rows' => true, |
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); |
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|
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$block_core_latest_posts_excerpt_length = $attributes['excerptLength']; |
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add_filter( 'excerpt_length', 'gutenberg_block_core_latest_posts_get_excerpt_length', 20 ); |
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|
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$categories = $attributes['categories'] ?? null; |
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if ( ! empty( $categories ) && is_array( $categories ) ) { |
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$args['category__in'] = array_column( $categories, 'id' ); |
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} |
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if ( isset( $attributes['selectedAuthor'] ) ) { |
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$args['author'] = $attributes['selectedAuthor']; |
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} |
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|
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$query = new WP_Query( $args ); |
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|
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if ( isset( $attributes['displayFeaturedImage'] ) && $attributes['displayFeaturedImage'] ) { |
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update_post_thumbnail_cache( $query ); |
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} |
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|
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$list_items_markup = ''; |
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// Snapshot the current global post so it can be restored after the loop. |
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// We use have_posts()/the_post() rather than foreach so that setup_postdata() |
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// is called for each post, establishing the correct global context for |
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// do_blocks() and other filters that run during full-content rendering. |
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$previous_post = $post ?? null; |
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|
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while ( $query->have_posts() ) { |
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$query->the_post(); |
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$post_link = esc_url( get_permalink() ); |
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$title = get_the_title(); |
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|
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if ( ! $title ) { |
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$title = __( '(no title)' ); |
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} |
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|
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$list_items_markup .= '<li>'; |
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|
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if ( $attributes['displayFeaturedImage'] && has_post_thumbnail() ) { |
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$image_style = ''; |
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if ( isset( $attributes['featuredImageSizeWidth'] ) ) { |
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$image_style .= sprintf( 'max-width:%spx;', $attributes['featuredImageSizeWidth'] ); |
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} |
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if ( isset( $attributes['featuredImageSizeHeight'] ) ) { |
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$image_style .= sprintf( 'max-height:%spx;', $attributes['featuredImageSizeHeight'] ); |
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} |
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|
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$image_classes = 'wp-block-latest-posts__featured-image'; |
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if ( isset( $attributes['featuredImageAlign'] ) ) { |
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$image_classes .= ' align' . $attributes['featuredImageAlign']; |
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} |
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|
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$featured_image = get_the_post_thumbnail( |
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null, |
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$attributes['featuredImageSizeSlug'], |
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array( |
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'style' => esc_attr( $image_style ), |
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) |
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); |
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if ( $attributes['addLinkToFeaturedImage'] ) { |
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$featured_image = sprintf( |
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'<a href="%1$s" aria-label="%2$s">%3$s</a>', |
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esc_url( $post_link ), |
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esc_attr( $title ), |
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$featured_image |
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); |
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} |
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$list_items_markup .= sprintf( |
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'<div class="%1$s">%2$s</div>', |
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esc_attr( $image_classes ), |
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$featured_image |
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); |
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} |
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|
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$list_items_markup .= sprintf( |
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'<a class="wp-block-latest-posts__post-title" href="%1$s">%2$s</a>', |
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esc_url( $post_link ), |
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$title |
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); |
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|
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if ( isset( $attributes['displayAuthor'] ) && $attributes['displayAuthor'] ) { |
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$author_display_name = get_the_author_meta( 'display_name' ); |
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|
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/* translators: byline. %s: author. */ |
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$byline = sprintf( __( 'by %s' ), $author_display_name ); |
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|
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if ( ! empty( $author_display_name ) ) { |
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$list_items_markup .= sprintf( |
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'<div class="wp-block-latest-posts__post-author">%1$s</div>', |
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$byline |
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); |
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} |
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} |
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|
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if ( isset( $attributes['displayPostDate'] ) && $attributes['displayPostDate'] ) { |
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$list_items_markup .= sprintf( |
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'<time datetime="%1$s" class="wp-block-latest-posts__post-date">%2$s</time>', |
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esc_attr( get_the_date( 'c' ) ), |
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get_the_date( '' ) |
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); |
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} |
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|
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if ( isset( $attributes['displayPostContent'] ) && $attributes['displayPostContent'] |
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&& isset( $attributes['displayPostContentRadio'] ) && 'excerpt' === $attributes['displayPostContentRadio'] ) { |
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|
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$trimmed_excerpt = get_the_excerpt(); |
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|
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/* |
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* Adds a "Read more" link with screen reader text. |
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* […] is the default excerpt ending from wp_trim_excerpt() in Core. |
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*/ |
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if ( str_ends_with( $trimmed_excerpt, ' […]' ) ) { |
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/** This filter is documented in wp-includes/formatting.php */ |
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$excerpt_length = (int) apply_filters( 'excerpt_length', $block_core_latest_posts_excerpt_length ); |
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if ( $excerpt_length <= $block_core_latest_posts_excerpt_length ) { |
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$trimmed_excerpt = substr( $trimmed_excerpt, 0, -11 ); |
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$trimmed_excerpt .= sprintf( |
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/* translators: 1: A URL to a post, 2: Hidden accessibility text: Post title */ |
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__( '… <a class="wp-block-latest-posts__read-more" href="%1$s" rel="noopener">Read more<span class="screen-reader-text">: %2$s</span></a>' ), |
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esc_url( $post_link ), |
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esc_html( $title ) |
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); |
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} |
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} |
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|
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if ( post_password_required() ) { |
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$trimmed_excerpt = __( 'This content is password protected.' ); |
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} |
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|
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$list_items_markup .= sprintf( |
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'<div class="wp-block-latest-posts__post-excerpt">%1$s</div>', |
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$trimmed_excerpt |
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); |
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} |
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|
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if ( isset( $attributes['displayPostContent'] ) && $attributes['displayPostContent'] |
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&& isset( $attributes['displayPostContentRadio'] ) && 'full_post' === $attributes['displayPostContentRadio'] ) { |
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|
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if ( post_password_required() ) { |
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$post_content = __( 'This content is password protected.' ); |
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} else { |
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$post_id = get_the_ID(); |
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$post_content = get_post_field( 'post_content', $post_id, 'raw' ); |
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// Check if we're already rendering this post to prevent infinite recursion. |
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if ( in_array( $post_id, $rendering_stack, true ) ) { |
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$post_content = ''; |
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} else { |
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$rendering_stack[] = $post_id; |
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|
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try { |
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// Run through the actions that are typically taken on the_content. |
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$post_content = _wp_apply_block_content_filters( $post_content, 'latest-posts' ); |
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} finally { |
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array_pop( $rendering_stack ); |
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} |
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} |
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} |
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|
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$post_content = str_replace( ']]>', ']]>', $post_content ); |
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$list_items_markup .= sprintf( |
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'<div class="wp-block-latest-posts__post-full-content">%1$s</div>', |
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$post_content |
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); |
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} |
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|
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$list_items_markup .= "</li>\n"; |
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} |
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|
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// Restore the post context that was active before this secondary query. |
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// wp_reset_postdata() is intentionally not used here: when this block is |
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// rendered inside another post's content (e.g. via do_blocks()), it would |
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// restore to the main query post rather than the outer rendering post. |
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$post = $previous_post; |
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if ( $previous_post instanceof WP_Post ) { |
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setup_postdata( $previous_post ); |
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} |
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|
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remove_filter( 'excerpt_length', 'gutenberg_block_core_latest_posts_get_excerpt_length', 20 ); |
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|
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$layout = $attributes['layout'] ?? array(); |
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$legacy_layout_type = ( |
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isset( $attributes['postLayout'] ) && |
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'grid' === $attributes['postLayout'] |
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) ? 'grid' : 'default'; |
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$layout_type = $layout['type'] ?? $legacy_layout_type; |
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$column_count = $layout['columnCount'] ?? ( $attributes['columns'] ?? null ); |
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|
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$classes = array( 'wp-block-latest-posts__list' ); |
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if ( 'grid' === $layout_type ) { |
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$classes[] = 'is-grid'; |
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} |
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if ( 'grid' === $layout_type && ! empty( $column_count ) ) { |
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$classes[] = sanitize_title( 'columns-' . $column_count ); |
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} |
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if ( 'grid' === $layout_type && ! empty( $column_count ) && ! empty( $layout['minimumColumnWidth'] ) ) { |
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$classes[] = 'has-native-responsive-grid'; |
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} |
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if ( isset( $attributes['displayPostDate'] ) && $attributes['displayPostDate'] ) { |
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$classes[] = 'has-dates'; |
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} |
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if ( isset( $attributes['displayAuthor'] ) && $attributes['displayAuthor'] ) { |
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$classes[] = 'has-author'; |
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} |
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if ( isset( $attributes['style']['elements']['link']['color']['text'] ) ) { |
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$classes[] = 'has-link-color'; |
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} |
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|
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$wrapper_attributes = get_block_wrapper_attributes( array( 'class' => implode( ' ', $classes ) ) ); |
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|
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return sprintf( |
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'<ul %1$s>%2$s</ul>', |
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$wrapper_attributes, |
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$list_items_markup |
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); |
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} |
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|
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/** |
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* Registers the `core/latest-posts` block on server. |
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* |
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* @since 5.0.0 |
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*/ |
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function gutenberg_register_block_core_latest_posts() { |
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register_block_type_from_metadata( |
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__DIR__ . '/latest-posts', |
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array( |
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'render_callback' => 'gutenberg_render_block_core_latest_posts', |
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) |
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); |
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} |
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add_action( 'init', 'gutenberg_register_block_core_latest_posts', 20 ); |
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|
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/** |
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* Handles outdated versions of the `core/latest-posts` block by converting |
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* attribute `categories` from a numeric string to an array with key `id`. |
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* |
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* This is done to accommodate the changes introduced in #20781 that sought to |
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* add support for multiple categories to the block. However, given that this |
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* block is dynamic, the usual provisions for block migration are insufficient, |
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* as they only act when a block is loaded in the editor. |
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* |
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* TODO: Remove when and if the bottom client-side deprecation for this block |
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* is removed. |
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* |
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* @since 5.5.0 |
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* |
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* @param array $block A single parsed block object. |
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* |
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* @return array The migrated block object. |
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*/ |
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function gutenberg_block_core_latest_posts_migrate_categories( $block ) { |
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if ( |
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'core/latest-posts' === $block['blockName'] && |
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! empty( $block['attrs']['categories'] ) && |
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is_string( $block['attrs']['categories'] ) |
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) { |
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$block['attrs']['categories'] = array( |
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array( 'id' => absint( $block['attrs']['categories'] ) ), |
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); |
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} |
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|
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return $block; |
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} |
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add_filter( 'render_block_data', 'gutenberg_block_core_latest_posts_migrate_categories' ); |
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|
