<?php /** * Server-side rendering of the `core/rss` block. * * @package WordPress */ /** * Renders the `core/rss` block on server. * * @param array $attributes The block attributes. * * @return string Returns the block content with received rss items. */ function render_block_core_rss( $attributes ) { if ( in_array( untrailingslashit( $attributes['feedURL'] ), array( site_url(), home_url() ), true ) ) { return '<div class="components-placeholder"><div class="notice notice-error">' . __( 'Adding an RSS feed to this site’s homepage is not supported, as it could lead to a loop that slows down your site. Try using another block, like the <strong>Latest Posts</strong> block, to list posts from the site.' ) . '</div></div>'; } $rss = fetch_feed( $attributes['feedURL'] ); if ( is_wp_error( $rss ) ) { return '<div class="components-placeholder"><div class="notice notice-error"><strong>' . __( 'RSS Error:' ) . '</strong> ' . esc_html( $rss->get_error_message() ) . '</div></div>'; } if ( ! $rss->get_item_quantity() ) { return '<div class="components-placeholder"><div class="notice notice-error">' . __( 'An error has occurred, which probably means the feed is down. Try again later.' ) . '</div></div>'; } $rss_items = $rss->get_items( 0, $attributes['itemsToShow'] ); $list_items = ''; foreach ( $rss_items as $item ) { $title = esc_html( trim( strip_tags( $item->get_title() ) ) ); if ( empty( $title ) ) { $title = __( '(no title)' ); } $link = $item->get_link(); $link = esc_url( $link ); if ( $link ) { $title = "<a href='{$link}'>{$title}</a>"; } $title = "<div class='wp-block-rss__item-title'>{$title}</div>"; $date = ''; if ( $attributes['displayDate'] ) { $date = $item->get_date( 'U' ); if ( $date ) { $date = sprintf( '<time datetime="%1$s" class="wp-block-rss__item-publish-date">%2$s</time> ', esc_attr( date_i18n( 'c', $date ) ), esc_attr( date_i18n( get_option( 'date_format' ), $date ) ) ); } } $author = ''; if ( $attributes['displayAuthor'] ) { $author = $item->get_author(); if ( is_object( $author ) ) { $author = $author->get_name(); $author = '<span class="wp-block-rss__item-author">' . sprintf( /* translators: %s: the author. */ __( 'by %s' ), esc_html( strip_tags( $author ) ) ) . '</span>'; } } $excerpt = ''; if ( $attributes['displayExcerpt'] ) { $excerpt = html_entity_decode( $item->get_description(), ENT_QUOTES, get_option( 'blog_charset' ) ); $excerpt = esc_attr( wp_trim_words( $excerpt, $attributes['excerptLength'], ' […]' ) ); // Change existing [...] to […]. if ( '[...]' === substr( $excerpt, -5 ) ) { $excerpt = substr( $excerpt, 0, -5 ) . '[…]'; } $excerpt = '<div class="wp-block-rss__item-excerpt">' . esc_html( $excerpt ) . '</div>'; } $list_items .= "<li class='wp-block-rss__item'>{$title}{$date}{$author}{$excerpt}</li>"; } $classnames = array(); if ( isset( $attributes['blockLayout'] ) && 'grid' === $attributes['blockLayout'] ) { $classnames[] = 'is-grid'; } if ( isset( $attributes['columns'] ) && 'grid' === $attributes['blockLayout'] ) { $classnames[] = 'columns-' . $attributes['columns']; } if ( $attributes['displayDate'] ) { $classnames[] = 'has-dates'; } if ( $attributes['displayAuthor'] ) { $classnames[] = 'has-authors'; } if ( $attributes['displayExcerpt'] ) { $classnames[] = 'has-excerpts'; } $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' );
Name | Type | Size | Permission | Actions |
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archives | Folder | 0755 |
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audio | Folder | 0755 |
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avatar | Folder | 0755 |
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block | Folder | 0755 |
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button | Folder | 0755 |
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buttons | Folder | 0755 |
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calendar | Folder | 0755 |
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categories | Folder | 0755 |
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code | Folder | 0755 |
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column | Folder | 0755 |
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columns | Folder | 0755 |
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comment-author-name | Folder | 0755 |
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comment-content | Folder | 0755 |
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comment-date | Folder | 0755 |
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comment-edit-link | Folder | 0755 |
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comment-reply-link | Folder | 0755 |
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comment-template | Folder | 0755 |
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comments | Folder | 0755 |
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comments-pagination | Folder | 0755 |
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comments-pagination-next | Folder | 0755 |
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comments-pagination-numbers | Folder | 0755 |
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comments-pagination-previous | Folder | 0755 |
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comments-title | Folder | 0755 |
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cover | Folder | 0755 |
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details | Folder | 0755 |
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embed | Folder | 0755 |
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file | Folder | 0755 |
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footnotes | Folder | 0755 |
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freeform | Folder | 0755 |
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gallery | Folder | 0755 |
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group | Folder | 0755 |
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heading | Folder | 0755 |
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home-link | Folder | 0755 |
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html | Folder | 0755 |
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image | Folder | 0755 |
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latest-comments | Folder | 0755 |
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latest-posts | Folder | 0755 |
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legacy-widget | Folder | 0755 |
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list | Folder | 0755 |
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list-item | Folder | 0755 |
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loginout | Folder | 0755 |
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media-text | Folder | 0755 |
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missing | Folder | 0755 |
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more | Folder | 0755 |
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navigation | Folder | 0755 |
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navigation-link | Folder | 0755 |
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navigation-submenu | Folder | 0755 |
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nextpage | Folder | 0755 |
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page-list | Folder | 0755 |
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page-list-item | Folder | 0755 |
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paragraph | Folder | 0755 |
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pattern | Folder | 0755 |
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post-author | Folder | 0755 |
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post-author-biography | Folder | 0755 |
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post-author-name | Folder | 0755 |
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post-comments-form | Folder | 0755 |
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post-content | Folder | 0755 |
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post-date | Folder | 0755 |
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post-excerpt | Folder | 0755 |
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post-featured-image | Folder | 0755 |
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post-navigation-link | Folder | 0755 |
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post-template | Folder | 0755 |
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post-terms | Folder | 0755 |
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post-title | Folder | 0755 |
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preformatted | Folder | 0755 |
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pullquote | Folder | 0755 |
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query | Folder | 0755 |
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query-no-results | Folder | 0755 |
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query-pagination | Folder | 0755 |
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query-pagination-next | Folder | 0755 |
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query-pagination-numbers | Folder | 0755 |
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query-pagination-previous | Folder | 0755 |
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query-title | Folder | 0755 |
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quote | Folder | 0755 |
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read-more | Folder | 0755 |
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rss | Folder | 0755 |
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search | Folder | 0755 |
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separator | Folder | 0755 |
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shortcode | Folder | 0755 |
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site-logo | Folder | 0755 |
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site-tagline | Folder | 0755 |
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site-title | Folder | 0755 |
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social-link | Folder | 0755 |
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social-links | Folder | 0755 |
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spacer | Folder | 0755 |
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table | Folder | 0755 |
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tag-cloud | Folder | 0755 |
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template-part | Folder | 0755 |
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term-description | Folder | 0755 |
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text-columns | Folder | 0755 |
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verse | Folder | 0755 |
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video | Folder | 0755 |
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widget-group | Folder | 0755 |
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archives.php | File | 2.89 KB | 0644 |
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avatar.php | File | 5.55 KB | 0644 |
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block.php | File | 1.57 KB | 0644 |
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blocks-json.php | File | 156.18 KB | 0644 |
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calendar.php | File | 6.03 KB | 0644 |
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categories.php | File | 2.78 KB | 0644 |
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comment-author-name.php | File | 2.05 KB | 0644 |
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comment-content.php | File | 2.36 KB | 0644 |
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comment-date.php | File | 1.56 KB | 0644 |
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comment-edit-link.php | File | 1.64 KB | 0644 |
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comment-reply-link.php | File | 1.99 KB | 0644 |
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comment-template.php | File | 4.35 KB | 0644 |
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comments-pagination-next.php | File | 1.81 KB | 0644 |
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comments-pagination-numbers.php | File | 1.56 KB | 0644 |
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comments-pagination-previous.php | File | 1.61 KB | 0644 |
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comments-pagination.php | File | 1.13 KB | 0644 |
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comments-title.php | File | 2.67 KB | 0644 |
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comments.php | File | 6.47 KB | 0644 |
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cover.php | File | 2.45 KB | 0644 |
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file.php | File | 3.38 KB | 0644 |
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footnotes.php | File | 8.69 KB | 0644 |
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gallery.php | File | 4.85 KB | 0644 |
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heading.php | File | 1.23 KB | 0644 |
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home-link.php | File | 4.72 KB | 0644 |
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image.php | File | 1.29 KB | 0644 |
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index.php | File | 4.45 KB | 0644 |
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latest-comments.php | File | 4.88 KB | 0644 |
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latest-posts.php | File | 7.87 KB | 0644 |
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legacy-widget.php | File | 3.81 KB | 0644 |
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loginout.php | File | 1.35 KB | 0644 |
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navigation-link.php | File | 11.65 KB | 0644 |
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navigation-submenu.php | File | 9.18 KB | 0644 |
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navigation.php | File | 37.5 KB | 0644 |
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page-list-item.php | File | 342 B | 0644 |
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page-list.php | File | 13.14 KB | 0644 |
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pattern.php | File | 1.01 KB | 0644 |
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post-author-biography.php | File | 1.41 KB | 0644 |
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post-author-name.php | File | 1.71 KB | 0644 |
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post-author.php | File | 2.51 KB | 0644 |
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post-comments-form.php | File | 2.68 KB | 0644 |
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post-content.php | File | 2.28 KB | 0644 |
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post-date.php | File | 2.29 KB | 0644 |
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post-excerpt.php | File | 3.33 KB | 0644 |
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post-featured-image.php | File | 7.63 KB | 0644 |
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post-navigation-link.php | File | 4.37 KB | 0644 |
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post-template.php | File | 4.86 KB | 0644 |
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post-terms.php | File | 3.27 KB | 0644 |
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post-title.php | File | 2.02 KB | 0644 |
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query-no-results.php | File | 1.76 KB | 0644 |
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query-pagination-next.php | File | 2.9 KB | 0644 |
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query-pagination-numbers.php | File | 3.73 KB | 0644 |
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query-pagination-previous.php | File | 2.36 KB | 0644 |
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query-pagination.php | File | 1.11 KB | 0644 |
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query-title.php | File | 2.01 KB | 0644 |
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query.php | File | 304 B | 0644 |
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read-more.php | File | 1.75 KB | 0644 |
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require-dynamic-blocks.php | File | 3.85 KB | 0644 |
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require-static-blocks.php | File | 536 B | 0644 |
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rss.php | File | 3.83 KB | 0644 |
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search.php | File | 21.61 KB | 0644 |
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shortcode.php | File | 697 B | 0644 |
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site-logo.php | File | 5.79 KB | 0644 |
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site-tagline.php | File | 994 B | 0644 |
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site-title.php | File | 1.73 KB | 0644 |
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social-link.php | File | 59.13 KB | 0644 |
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tag-cloud.php | File | 1.37 KB | 0644 |
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template-part.php | File | 9.71 KB | 0644 |
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term-description.php | File | 1.27 KB | 0644 |
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widget-group.php | File | 2.12 KB | 0644 |
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