Display your recent delicious bookmarks with PHP

function get_delicious()
{
    $cache = dirname(__FILE__) . '/caches/delicious';
    if(filemtime($cache) < (time() - 300))
    {
        @mkdir(dirname(__FILE__) . '/caches', 0777);
        $url = 'https://api.del.icio.us/v1/posts/recent?count=10';
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 30);
        curl_setopt($ch, CURLOPT_TIMEOUT, 5);
        curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
        // add delicious.com username and password below
        curl_setopt($ch, CURLOPT_USERPWD, 'username:password');
        $data = curl_exec($ch);
        curl_close($ch);
        $cachefile = fopen($cache, 'wb');
        fwrite($cachefile, $data);
        fclose($cachefile);
    }
    else
    {
        $data = file_get_contents($cache);
    }
    $xml = simplexml_load_string($data);
    
    $html = '<ul>';
    foreach($xml as $item)
    {
        $html .= '<li><a href="' . $item['href'] . '">' . $item['description'] . '</a> ' . $item['extended'] . '</li>';
    }
    $html .= '<li><a href="http://delicious.com/briancray">More of Brian Cray\'s delicious bookmarks&hellip;</a></li>';
    $html .= '</ul>';
    echo $html;
}

// display them
get_delicious();