";
$feed = "http://xkcd.com/atom.xml";
$data = simplexml_load_file($feed);
$item = $data->entry[0];
$date = date("Y-m-d", strtotime($item->updated));
preg_match("#title=\"(.+)\"#iU", $item->summary, $t);
// To send HTML mail, the Content-type header must be set
$headers = 'MIME-Version: 1.0' . "\r\n";
$headers .= 'Content-type: text/html; charset=UTF-8' . "\r\n";
$headers .= 'From: '. $from . "\r\n";
$subject = "xkcd {$date}: {$item->title}";
$punchline = $t[1];
$msg = "\n"
. "Posted {$date}
\n"
. $item->summary."
\n"
. "{$punchline}
\n";
mail($mail, $subject, $msg, $headers);