- if (empty($returnurls) || @preg_match($returnurls, $gpex_url)) {
- $returl = $gpex_url . gpex_make_params($gpex_challenge, $privkey, $datafields, $charset);
+ if (empty($returnurls) || @preg_match($returnurls, $ext_url)) {
+ $returl = $ext_url . gpex_make_params($gpex_challenge, $privkey, $datafields, $charset);