function create_email($name, $domain){ $i = "1"; $email = $name . "@" . $domain; $excist = mysql_fetch_array(sql_mail("SELECT COUNT(`id`) as howmany FROM `users` WHERE `email`='".$email."'")); if($excist['howmany'] > 0){ $name = $name . $i; return create_email($name, $domain); } else{ return $email; } }