I'm trying to run a quick check to see if any of my user's data has changed before saving them. However, I'm running into a situation where I can only access the new data.

I can't tell if this is a bug, or simply a misunderstanding of how it works...

craft()->on('users.beforeSaveUser', function(Event $event) {

    // Only do this for existing users

        // Get ID of user about to be saved
        $userId = $event->params['user']->id;

        // Look up existing user data
        $existing = craft()->users->getUserById($userId);

        // Why does this contain the NEW data?



There may be a reasonable explanation as to why the pre-existing user data is not available. If that is the case, then how can I access the pre-existing data for this user?


Not totally sure, but I believe this may be because the UsersService actually caches UserModels fetched by getUserById() locally in a private class variable.

Instead of using getUserById(), try pulling the user with an ElementCriteriaModel:

$existing = craft()->elements->getCriteria(ElementType::User, array(
    'id' => $userId,
| improve this answer | |
  • 3
    Yeah, there's some memoization of the new data going on before that event is fired is the problem. – Brad Bell Jun 21 '16 at 20:35

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