Allow a super admin to demote themselves on a site to a role that does not contain the promote_users cap. props fonglh, fixes #18164.

nacin · nacin · commit fe4f927a80e1 · 2011-10-20T14:12:25.000Z
git-svn-id: https://develop.svn.wordpress.org/trunk@19024 602fd350-edb4-49c9-b593-d223f7449a82
diff --git a/wp-admin/users.php b/wp-admin/users.php
@@ -67,8 +67,8 @@
 
 		if ( ! current_user_can('promote_user', $id) )
 			wp_die(__('You can&#8217;t edit that user.'));
-		// The new role of the current user must also have promote_users caps
-		if ( $id == $current_user->ID && !$wp_roles->role_objects[$_REQUEST['new_role']]->has_cap('promote_users') ) {
+		// The new role of the current user must also have the promote_users cap or be a super admin
+		if ( $id == $current_user->ID && ! is_super_admin() && ! $wp_roles->role_objects[ $_REQUEST['new_role'] ]->has_cap('promote_users') ) {
 			$update = 'err_admin_role';
 			continue;
 		}
