I'm working on a tricky User plugin that needs to do certain things only if being called from a 3rd party component. I could check the option in the url, but I need to consider that the user may be added by way of a 3rd party using MVC and and the model directly, not necessarily with a link FOR that 3rd party component.

Is there a way to determine this?

Update: Ancient problem, but was still haunting me, so if of any interest to anyone, I created a Logging class that can track where updates of this nature are done, and save the data and parameters involved for later review. Its freely available at JSE Github.

2 Answers 2


You can check the Itemid in the url. If there is no Itemid, you should create at least a hidden menu item for the 3rd party registration page. The Itemid of the menu can be obtained manually (admin area -> menu):

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or by some codes inside your plugin:

$app = JFactory::getApplication();
$item_id = $app->input->get('Itemid');

$menu = $app->getMenu();
$items = $menu->getItems('component', 'com_3rd_party');

foreach ($items as $item)
    if ($item->id == $item_id)
        echo 'This is 3rd party!';
  • This assumes that an AJAX call uses an itemid - sorry, no dice.
    – GDP
    Commented Nov 11, 2014 at 14:15

I suppose you could try using the onUserAfterSave (Documentation Ref) plugin event that will get triggered when a user record is update or when a new user is added. With this plugin event comes the $isnew boolean argument. true is when a new record is added.

Hope this helps

  • That's actually the event i'm working with - i want to differentiate between additions from the admin backend, a 3rd party social component, and our component.
    – GDP
    Commented Nov 11, 2014 at 0:56

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