<?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); }