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Back Back Up Normal Editor
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<?php
/**
 * Server-side rendering of the `core/rss` block.
 *
 * @package WordPress
 */
/**
 * Renders the `core/rss` block on server.
 *
 * @since 5.2.0
 *
 * @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>";
 
 
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