By default, Joomla will insure that a username and email is not already in use. I need to extend that to insure that the user provides a first name and last name (and is unique).

What is the best way to do this...I've explored using onUserBeforeSave in a user plugin, but this strikes me to be too late in the process.

  • Are you sure you want to have unique names? This should be a very specific case, otherwise I can't think why first/last name must be unique and how this could be useful.
    – FFrewin
    Nov 10, 2014 at 19:32
  • It is a very specific case....its a small collection of Television producers, and uniqueness is part of the game...even without that, the first AND last requirement remains. Failing a user plugin test "works", but need to figure out how to set the error text that follows: "Save failed with the following error".
    – GDP
    Nov 10, 2014 at 19:35
  • Also you may edit your #__users table structure in phpMyAdmin and change the "Index Type" of idx_name to UNIQUE.
    – Farahmand
    Nov 10, 2014 at 21:18
  • Have to avoid hacks, and this rule only applies to a particular usergroup anyways, but thx
    – GDP
    Nov 10, 2014 at 21:21
  • Yes, it's a DB hack but I think it applies to all users.
    – Farahmand
    Nov 10, 2014 at 21:23

1 Answer 1


Well, this solution doesn't sit well with me, but it does work using the user plugin:

public function onUserBeforeSave($oldUser, $isnew, $newUser) {
    if($test == 'fails') {
        $error = ' First and Last Name must be specified';
        throw new Exception($error);
  • Just a note - if you throw an Exception return will never be reached. Nov 11, 2014 at 13:58
  • A true...remnant development code - thx
    – GDP
    Nov 11, 2014 at 14:14

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