public function generateEmailLocalPart()
{
$local_parts_to_try = $this->get_all_possible_local_part();
$counter = 0;
$local_part_to_try = array_shift($local_parts_to_try);
while (!UserTable::check_if_local_part_exists($local_part_to_try)) {
if (count($local_parts_to_try) == 0) {
$counter++;
$local_parts_to_try = $this->get_all_possible_local_part($counter);
}
$local_part_to_try = array_shift($local_parts_to_try);
if ($counter == 3) {
die('Too many attempts to find a local part to try.');
}
}
$this->setEmailLocalPart($local_part_to_try);
return $local_part_to_try;
}