YEAH!! I did it

Thank you very much, Dismounted
Correct code:
PHP Code:
// assign user to usergroup 3 if email needs verification
if ($vbulletin->options['verifyemail'])
{
$newusergroupid = 3;
}
else if ($vbulletin->options['moderatenewmembers'] OR $vbulletin->GPC['coppauser'])
{
$newusergroupid = 4;
}
else if ($vbulletin->GPC['userfield']['field5'] == 2)
{
$newusergroupid = 9;
}
else
{
$newusergroupid = 2;
}