Avoid use global variable - refs BT#9021

main/auth/sso/sso.Drupal.class.php

@@ -228,14 +228,11 @@ class ssoDrupal {
 
     /**
      * Generate the URL for profile editing
-     * @global array $_user
      * @return string If the URL is obtained return the drupal_user_id. Otherwise return false 
      */
     public function generateProfileEditingURL()
     {
-        global $_user;
-
-        $userId = $_user['user_id'];
+        $userId = api_get_user_id();
 
         $userExtraFieldValue = new ExtraFieldValue('user');
         $drupalUserIdData = $userExtraFieldValue->get_values_by_handler_and_field_variable($userId, 'drupal_user_id');