+
+ // setOnBehalfUser sets on behalf user both the object and the session.
+ function setOnBehalfUser($user_id) {
+
+ // Unset things first.
+ $this->behalf_id = null;
+ $this->behalf_name = null;
+ unset($_SESSION['behalf_id']);
+ unset($_SESSION['behalf_name']);
+
+ // No need to set if user is us.
+ if ($user_id == $this->id) return;
+
+ // No need to set if user id is not valid.
+ if (!$this->isUserValid($user_id)) return;
+
+ // We are good to set on behalf user.
+ $onBehalfUserName = ttUserHelper::getUserName($user_id);
+ $_SESSION['behalf_id'] = $user_id;
+ $_SESSION['behalf_name'] = $onBehalfUserName;
+ $this->behalf_id = $user_id;
+ $this->behalf_name = $onBehalfUserName;
+ return;
+ }