$position = strpos($result,"</Postage><SvcDescription>Global Priority Mail - Variable Weight (Single)</SvcDescription>");
$globalpriority = substr($result,$position-4,5);
$globalpriority = str_replace("<", "",$globalpriority);
$globalpriority = str_replace(">", "",$globalpriority);

$position = strpos($result,"</Postage><SvcDescription>Airmail Parcel Post</SvcDescription>");
$airmail = substr($result,$position-4,5);
$airmail = str_replace("<", "",$airmail);
$airmail = str_replace(">", "",$airmail);