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            <pre class="with-hljs"><code class="lang-php">&lt;?php

function render_block_core_rss($attributes)
{
    $rss = fetch_feed($attributes[&#039;feedURL&#039;]);
    if (is_wp_error($rss)) {
        return &#039;&lt;div class=&quot;components-placeholder&quot;&gt;&lt;div class=&quot;notice notice-error&quot;&gt;&lt;strong&gt;&#039; . __(&#039;RSS Error:&#039;) . &#039;&lt;/strong&gt; &#039; . $rss-&gt;get_error_message() . &#039;&lt;/div&gt;&lt;/div&gt;&#039;;
    }
    if (!$rss-&gt;get_item_quantity()) {
        return &#039;&lt;div class=&quot;components-placeholder&quot;&gt;&lt;div class=&quot;notice notice-error&quot;&gt;&#039; . __(&#039;An error has occurred, which probably means the feed is down. Try again later.&#039;) . &#039;&lt;/div&gt;&lt;/div&gt;&#039;;
    }
    $rss_items = $rss-&gt;get_items(0, $attributes[&#039;itemsToShow&#039;]);
    $list_items = &#039;&#039;;
    foreach ($rss_items as $item) {
        $title = esc_html(trim(strip_tags($item-&gt;get_title())));
        if (empty($title)) {
            $title = __(&#039;(no title)&#039;);
        }
        $link = $item-&gt;get_link();
        $link = esc_url($link);
        if ($link) {
            $title = &quot;&lt;a href=&#039;{$link}&#039;&gt;{$title}&lt;/a&gt;&quot;;
        }
        $title = &quot;&lt;div class=&#039;wp-block-rss__item-title&#039;&gt;{$title}&lt;/div&gt;&quot;;
        $date = &#039;&#039;;
        if ($attributes[&#039;displayDate&#039;]) {
            $date = $item-&gt;get_date(&#039;U&#039;);
            if ($date) {
                $date = sprintf(&#039;&lt;time datetime=&quot;%1$s&quot; class=&quot;wp-block-rss__item-publish-date&quot;&gt;%2$s&lt;/time&gt; &#039;, date_i18n(get_option(&#039;c&#039;), $date), date_i18n(get_option(&#039;date_format&#039;), $date));
            }
        }
        $author = &#039;&#039;;
        if ($attributes[&#039;displayAuthor&#039;]) {
            $author = $item-&gt;get_author();
            if (is_object($author)) {
                $author = $author-&gt;get_name();
                $author = &#039;&lt;span class=&quot;wp-block-rss__item-author&quot;&gt;&#039; . sprintf(__(&#039;by %s&#039;), esc_html(strip_tags($author))) . &#039;&lt;/span&gt;&#039;;
            }
        }
        $excerpt = &#039;&#039;;
        if ($attributes[&#039;displayExcerpt&#039;]) {
            $excerpt = html_entity_decode($item-&gt;get_description(), ENT_QUOTES, get_option(&#039;blog_charset&#039;));
            $excerpt = esc_attr(wp_trim_words($excerpt, $attributes[&#039;excerptLength&#039;], &#039; [&amp;hellip;]&#039;));
            if (&#039;[...]&#039; === substr($excerpt, -5)) {
                $excerpt = substr($excerpt, 0, -5) . &#039;[&amp;hellip;]&#039;;
            }
            $excerpt = &#039;&lt;div class=&quot;wp-block-rss__item-excerpt&quot;&gt;&#039; . esc_html($excerpt) . &#039;&lt;/div&gt;&#039;;
        }
        $list_items .= &quot;&lt;li class=&#039;wp-block-rss__item&#039;&gt;{$title}{$date}{$author}{$excerpt}&lt;/li&gt;&quot;;
    }
    $classnames = array();
    if (isset($attributes[&#039;blockLayout&#039;]) &amp;&amp; &#039;grid&#039; === $attributes[&#039;blockLayout&#039;]) {
        $classnames[] = &#039;is-grid&#039;;
    }
    if (isset($attributes[&#039;columns&#039;]) &amp;&amp; &#039;grid&#039; === $attributes[&#039;blockLayout&#039;]) {
        $classnames[] = &#039;columns-&#039; . $attributes[&#039;columns&#039;];
    }
    $wrapper_attributes = get_block_wrapper_attributes(array(&#039;class&#039; =&gt; implode(&#039; &#039;, $classnames)));
    return sprintf(&#039;&lt;ul %s&gt;%s&lt;/ul&gt;&#039;, $wrapper_attributes, $list_items);
}
function register_block_core_rss()
{
    register_block_type_from_metadata(__DIR__ . &#039;/rss&#039;, array(&#039;render_callback&#039; =&gt; &#039;render_block_core_rss&#039;));
}
add_action(&#039;init&#039;, &#039;register_block_core_rss&#039;);</code></pre>        </div>
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