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I'm trying to do some capability checks on comment authors using the user_can() function, but for some reason it isn't working at all.

I have a custom capability setup with the Role Manager plugin called "read_citizen".

My check looks like this:

if(user_can($commentAuthor->user_id, 'read_citizen') {
   //do stuff here
}

I have confirmed that the $commentAuthor object is set correctly.

Ideas?

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12
  • 1
    "Not working" is not saying much. What does not work? What did you expect? What did actually happen? Is there an error in the error log?
    – hakre
    Commented Jul 12, 2011 at 15:03
  • It is supposed to return TRUE if the user has the capability. In this case, nothing is returned.
    – Pippin
    Commented Jul 12, 2011 at 15:12
  • 1
    What if you use a non-custom cap? Does the conditional return true? Also: by "nothing is returned", do you mean that the conditional returns null, or that it returns false?
    – Chip Bennett
    Commented Jul 12, 2011 at 15:36
  • 1
    try using current_user_can('read_citizen') instead
    – Bainternet
    Commented Jul 12, 2011 at 15:42
  • In PHP the value nothing does not exist. What does the function exactly return? FALSE or NULL or even something else?
    – hakre
    Commented Jul 12, 2011 at 16:36

1 Answer 1

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Ok, found the answer. It was just an oversight on my part.

I was using the wrong variable name for the USER ID. In the $wpdb comment object, the user ID is stored as user_id, but in the USER object, the ID is stored just as ID.

So, by using if ( user_can($commentAuthor->ID, 'read_citizen') ), it all works.

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