Integrar RSS de WordPress con PHP y SimpleXML

Tecnologías: HTML5, CSS, PHP7 y SimpleXML
RSS de https://blog.artegrafico.net/feed

$feed_url = "https://blog.artegrafico.net/feed";
$content = file_get_contents($feed_url);
$xml = new SimpleXmlElement($content);

$items = count($xml->channel->item);
if ( $items >0 ) { ?>
    <ul> <?php
    foreach( $xml->channel->item as $item ) {
        $pubDate = date("d.m.Y H:i", strtotime((string) $item->pubDate)); ?>
        <li>
        <a href="<?php echo $item->link; ?>" target="_blank" title="<?php echo $item->title; ?>"><?php echo $item->title; ?></a><br />
        <time class="entry-date" datetime="<?php echo $pubDate; ?>"><?php echo $pubDate; ?></time>
        </li><?php
    } ?></ul><?php
} 

BLOG