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<?php
function xref_init(&$a) {
// Sets a referral URL using an xchan directly
// Link format: example.com/xref/[xchan]/[TargetURL]
// Target URL is optional.
// Cookie lasts 24 hours to survive a browser restart. Contains no personal
// information at all - just somebody else's xchan.
$referrer = argv(1);
$expire=time()+60*60*2;
$path = 'xref';
setcookie($path, $referrer, $expire, "/");
$url = '';
if (argc() > 2)
$url = argv(2);
goaway (z_root() . '/' . $url);
}
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