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As my question implies what i want, i used google to search through the web to get correct answer though simple about how to verify if current logged in user is super user or not in both joomla 2.5 and 3 versions. I found these codes -

$user = JFactory::getUser();
$isroot = $user->get('isRoot');

if $isroot is 1 then the user is super user. Does it appropriate and error free all the ways??

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That will work if isRoot has been set. But, it requires a call to JUser::authorise() having been completed first. This snippet would work at all times:

$user = JFactory::getUser();

$isroot = $user->authorise('core.admin');

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  • Does it also return 1 if current user is administrator not super user? So concern is have to verify only super user.
    – dev-m
    Apr 28, 2014 at 1:13
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    No, that code snippet will check what is mapped to the "Super User" permission in the global configuration. If you don't pass a second parameter to JUser::authorise(), then it checks the permissions at the global level.
    – Michael
    Apr 28, 2014 at 2:28

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