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This is the last step of backports from the Gutenberg plugin for WordPress 6.0 Beta 1 release. It includes all updates WordPress packages published to npm based on the Gutenberg plugin v13.0 RC3 release. This patch also includes all the necessary changes applied to core blocks. New blocks included: - Avatar - Comment Author Name - Comment Content - Comment Date - Comment Edit Link - Comment Rely Link - Comment Template - Comments Pagination - Comments Pagination Next - Comments Pagination Previous - Comments Query Loop - Home Link - Post Author Biography - Query No Results - Read More See more details in https://github.com/WordPress/wordpress-develop/pull/2564. Props zieladam, ramonopoly, ocean90. Fixes #55505. Built from https://develop.svn.wordpress.org/trunk@53157 git-svn-id: http://core.svn.wordpress.org/trunk@52746 1a063a9b-81f0-0310-95a4-ce76da25c4cd
120 lines
3.8 KiB
PHP
120 lines
3.8 KiB
PHP
<?php
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/**
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* Server-side rendering of the `core/rss` block.
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*
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* @package WordPress
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*/
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/**
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* Renders the `core/rss` block on server.
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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 block content with received rss items.
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*/
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function render_block_core_rss( $attributes ) {
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if ( in_array( untrailingslashit( $attributes['feedURL'] ), array( site_url(), home_url() ), true ) ) {
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return '<div class="components-placeholder"><div class="notice notice-error">' . __( 'Adding an RSS feed to this site’s homepage is not supported, as it could lead to a loop that slows down your site. Try using another block, like the <strong>Latest Posts</strong> block, to list posts from the site.' ) . '</div></div>';
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}
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$rss = fetch_feed( $attributes['feedURL'] );
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if ( is_wp_error( $rss ) ) {
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return '<div class="components-placeholder"><div class="notice notice-error"><strong>' . __( 'RSS Error:' ) . '</strong> ' . $rss->get_error_message() . '</div></div>';
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}
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if ( ! $rss->get_item_quantity() ) {
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return '<div class="components-placeholder"><div class="notice notice-error">' . __( 'An error has occurred, which probably means the feed is down. Try again later.' ) . '</div></div>';
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}
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$rss_items = $rss->get_items( 0, $attributes['itemsToShow'] );
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$list_items = '';
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foreach ( $rss_items as $item ) {
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$title = esc_html( trim( strip_tags( $item->get_title() ) ) );
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if ( empty( $title ) ) {
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$title = __( '(no title)' );
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}
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$link = $item->get_link();
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$link = esc_url( $link );
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if ( $link ) {
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$title = "<a href='{$link}'>{$title}</a>";
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}
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$title = "<div class='wp-block-rss__item-title'>{$title}</div>";
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$date = '';
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if ( $attributes['displayDate'] ) {
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$date = $item->get_date( 'U' );
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if ( $date ) {
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$date = sprintf(
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'<time datetime="%1$s" class="wp-block-rss__item-publish-date">%2$s</time> ',
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date_i18n( get_option( 'c' ), $date ),
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date_i18n( get_option( 'date_format' ), $date )
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);
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}
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}
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$author = '';
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if ( $attributes['displayAuthor'] ) {
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$author = $item->get_author();
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if ( is_object( $author ) ) {
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$author = $author->get_name();
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$author = '<span class="wp-block-rss__item-author">' . sprintf(
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/* translators: %s: the author. */
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__( 'by %s' ),
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esc_html( strip_tags( $author ) )
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) . '</span>';
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}
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}
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$excerpt = '';
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if ( $attributes['displayExcerpt'] ) {
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$excerpt = html_entity_decode( $item->get_description(), ENT_QUOTES, get_option( 'blog_charset' ) );
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$excerpt = esc_attr( wp_trim_words( $excerpt, $attributes['excerptLength'], ' […]' ) );
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// Change existing [...] to […].
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if ( '[...]' === substr( $excerpt, -5 ) ) {
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$excerpt = substr( $excerpt, 0, -5 ) . '[…]';
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}
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$excerpt = '<div class="wp-block-rss__item-excerpt">' . esc_html( $excerpt ) . '</div>';
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}
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$list_items .= "<li class='wp-block-rss__item'>{$title}{$date}{$author}{$excerpt}</li>";
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}
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$classnames = array();
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if ( isset( $attributes['blockLayout'] ) && 'grid' === $attributes['blockLayout'] ) {
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$classnames[] = 'is-grid';
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}
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if ( isset( $attributes['columns'] ) && 'grid' === $attributes['blockLayout'] ) {
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$classnames[] = 'columns-' . $attributes['columns'];
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}
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if ( $attributes['displayDate'] ) {
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$classnames[] = 'has-dates';
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}
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if ( $attributes['displayAuthor'] ) {
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$classnames[] = 'has-authors';
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}
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if ( $attributes['displayExcerpt'] ) {
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$classnames[] = 'has-excerpts';
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}
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$wrapper_attributes = get_block_wrapper_attributes( array( 'class' => implode( ' ', $classnames ) ) );
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return sprintf( '<ul %s>%s</ul>', $wrapper_attributes, $list_items );
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}
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/**
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* Registers the `core/rss` block on server.
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*/
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function register_block_core_rss() {
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register_block_type_from_metadata(
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__DIR__ . '/rss',
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array(
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'render_callback' => 'render_block_core_rss',
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)
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);
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}
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add_action( 'init', 'register_block_core_rss' );
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