Check online users / set specific user offline

Comparing #3 with #4

Content

[...]
//force user to logout
public function logOutSession() {

$table = Yii::app()->session->sessionTableName;
$db = Yii::app()->session->getDbConnection();
$row = $db->createCommand()->delete($table, 'id_akm_user=:id', array(':id' => $this->id));

if ($row)
return true;

return false;
[...]