Get 5 last feed articles (html-anchor style)

last5articles.php

<?
function getFeed($feed_url) {  
      
    $content = file_get_contents($feed_url);  
    $x = new SimpleXmlElement($content);
    $feed = array();
    $str = "";
    foreach($x->channel->item as $entry) {
        if (count($feed) < 5) {
          $f = "<li><a href='$entry->link' title='$entry->title'>$entry->title</a></li>";
        	array_push($feed, $f);
        	$str .= $f;
        } 
    }
    return (object) array('array' => $feed, 'string' => $str);
} 

echo getFeed('http://ilyacoder.ru/rss/')->string;