Ticket #11808: is_super_admin-get_userid.diff

wp-includes/capabilities.php

@@ -1085 +1085 @@
  * @return bool True if the user is a site admin.
  */
 function is_super_admin( $user_id = false ) {
-        global $current_user;
+        if ( ! $user_id ) {
+                $current_user = wp_get_current_user();
+                $user_id = ! empty($current_user) ? $current_user->id : 0;
+        }
 
-        if ( !$current_user && !$user_id )
+        if ( ! $user_id )
                 return false;
 
-        if ( !$user_id )
-                $user_id = $current_user->id;
-
-        if ( !$user_id )
-                return false;
-
         $user = new WP_User($user_id);
 
         if ( is_multisite() ) {