EVE Server Status cached query

<?php
$url = 'https://api.eveonline.com/server/ServerStatus.xml.aspx';
$dest_file = 'userCount.xml';
$timeout = 120;
if (!file_exists($dest_file) || filemtime($dest_file) < (time()-$timeout)) {
	echo "queried<br>";
	$data = file_get_contents($url);
	$tmpf = tempnam('.','YWS');
	$fp = fopen($tmpf,"w");
	fwrite($fp, $data);
	fclose($fp);
	rename($tmpf, $dest_file);
	$xml = new SimpleXMLElement($data);
}
else {
	echo "cached<br>";
	$xml = simplexml_load_file($dest_file);
}
$players = $xml->result->onlinePlayers;
$status = $xml->result->serverOpen;
if ($status == 'True') {
	echo "<span id='statuscall'>Server ist: <span style='color:#0f0'>Up</span>, ";
	echo $players;
	echo " Accounts</span>";
}
else {
	echo "<span id='statuscall'>Server ist: <span style='color:#f00'>Down</span>";
}
?>