Pull in latest images from Flickr in PHP

PHPFlickrFeed

<?php
    // Load in Flickr XML feed
    $xml = simplexml_load_file('https://api.flickr.com/services/feeds/photos_public.gne?id=108874017@N08');

    // Check the feed
    if (strlen($xml) == 0) {
        // If the XML feed is empty (feed down) just display a link to Flickr
        echo '<p>I quite like taking pictures. Check out <a href="https://www.flickr.com/photos/108874017@N08/" title="ItsRab on Flickr">my Flickr</a> for all my latest photos from all over the place. It’s just a hobby mind you.</p>';
    } else {
        // Feed returned something, let’s show it!
        echo '<p>I quite like taking pictures. Here’s a few of the latest ones, but there’s even more on <a href="https://www.flickr.com/photos/108874017@N08/" title="ItsRab on Flickr">my Flickr</a> if you fancy a nosey!</p>';
        echo '<ul class="flickr-list">';
        $i = 1;
        // Loop through the feed grabbing what we need
        foreach ($xml->entry as $row) {
            $img_title = $row->title;
            $img_url = $row->link[0]['href'];
            $img_src = $row->link[1]['href'];
            $img_src_z = str_replace("_b","_z",$img_src);
            // Display the images from Flickr linking through to photo
            echo '<li class=\'flickr-list__item\'>';
                echo '<a href=\'' . $img_url . '\'>';
                    echo '<img class=\'flickr-list__img--' . $i . '\' src="' . $img_src_z . '">';
                echo '</a>';
            echo '</li>';
            // Only want latest 5 images, then break loop
            $i++;
            if($i > '5')
                break;
        }
        echo '</ul><!-- .flickr-list -->';
    }
?>