Hi, i want in a k2 category to enable the visibility of extra fields but for one register user id, not for all.
In public_html/templates/template_name/html/com_k2/templates/default/item.php line 191 edit the if code but the extra fields can view for everyone.
Add the code && $user->id = '543' but dont work, and all visitors can views the extra fields.
Any idea??

Thanks for your time.

<?php if($params->get('itemExtraFields') && count($this->item->extra_fields) && $user->id = '543'): ?>

Did you assign $user to Joomla!'s user object? docs.joomla.org/Accessing_the_current_user_object

Yes i assign $user to Joomla!'s user object

<?php $user = JFactory::getUser(); ?>
<?php if($params->get('itemExtraFields') && count($this->item->extra_fields) && $user->id = '543'): ?>

With this method again dont work

<?php $user = JFactory::getUser(); if($params->get('itemExtraFields') && count($this->item->extra_fields) && $user->id = '543'): ?>

$user->id code work because echo variable and see the login user id. The problem is in this code $user->id = '543'. Any idea?

Work with this

<?php $user = JFactory::getUser(); if($params->get('itemExtraFields') && count($this->item->extra_fields) && $user->id == '543'): ?>

If i want group this code get group id?? $user->gid == '8' ??

Thanks for your time

As per the instructions in Joomla!'s documentation:

Use $user->groups to retrieve an array with all the IDs that refer to the groups (from #__usergroups table) of a user.

Then you can use PHP's in_array() function - php.net/manual/en/function.in-array.php - to look for the id in the array. eg: if (in_array( ID , $user->groups))