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1. josswinn
   Member
   Posted 3 months ago #

   Since 2.8.2, I'm getting this error if activated per blog or using the new site-wide activation option:

   PHP Fatal error: Call to a member function add_cap() on a non-object in /var/www/vhosts/blogs/wp-content/plugins/unfiltered-mu/unfiltered-mu.php on line 36, referer: http://blogs.example.com/wp-admin/update.php?action=install-plugin&plugin=unfiltered-mu&_wpnonce=cf898a7b82

   When installed in /mu-plugins/, it works fine.

2. monpelaud
   Member
   Posted 3 months ago #

   This issue is knowed at:
   
   To fixe it 2 solutions in "/include/wpmu-functions.ph" at line 1930:

   1- Replace:
   

   function promote_if_site_admin(&$user) {
       if ( !is_site_admin( $user->user_login ) )
           return false;

   by

   function promote_if_site_admin(&$user) {
           return false; /* add this line */
       if ( !is_site_admin( $user->user_login ) )
           return false;

   OR

   2- In this function replace:
   

   if ( is_array( $user->{$cap_key} ) ) {
   	    $user->{$cap_key} = array_merge( array( 'administrator' => '1' ), $user->{$cap_key} );
       } else {
   	    $user->{$cap_key} = array( 'administrator' => '1' );
       }

   by
   

   if ( is_array( $user->{$cap_key} ) ) {
   	    $user->{$cap_key} = array_merge( array( 'Administrator' => '1' ), $user->{$cap_key} );
       } else {
   	    $user->{$cap_key} = array( 'Administrator' => '1' );
       }

   In other words, a capital A in administrator.

   I don't know what is the best solution and why this issue known in wpmu 2.7 is not fixed in wpmu 2.8.2.

3. josswinn
   Member
   Posted 3 months ago #

   Thanks. I used your first suggestion and it seems to be fixed. I'll file a bug in trac if there isn't one already.

4. monpelaud
   Member
   Posted 3 months ago #

   I've edit "Site Admin/Options" and only "Update Options".
   All works fine with no modification in "wpmu-functions.php" until I "Log Out". If I log out and log in again the issue is always active.
   If I disable wpmuldap plugin all works fine.
   Do you use wpmuldap plugin ?

5. josswinn
   Member
   Posted 3 months ago #

   I do use the ldap plugin on one site but I've had this problem on two other installs which don't use ldap.

6. monpelaud
   Member
   Posted 3 months ago #

   With phpMyAdmin can you verify the value of "wp_1_capability" in the table "wp-usermeta" for "user_id = 1".
   Is it really set to "a:1:{s:13:"administrator";b:1;}" ?

7. donncha
   Member
   Posted 3 months ago #

   That Administrator fix is a bogus fix as the Administrator role doesn't exist.

8. jasonzeng
   Member
   Posted 3 months ago #

   you can change the Line36 of unfiltered-mu.php:

   change
   

   $wp_roles->role_objects['editor']->add_cap( 'unfiltered_html' );

   to
   

   $wp_roles->add_cap('editor', 'unfiltered_html' );

9. Farms
   Member
   Posted 1 month ago #

   FYI, you can download a fixed up version here: http://wpmu.org/unfiltered-mu-fixed-up-for-wpmu-2-8-4a/

10. donncha
    Member
    Posted 1 month ago #

    The promote_if_siteadmin() function has been fixed in the latest versions of WordPress MU. There's no need to modify the plugin.

    I don't recommend using the "fixed" version linked above, see here for further details.

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