/**
* Gets a user by id
*
* @param int $userId
* @return mixed
*/
public function getUserById($userId)
{
$query = $this->db->createQueryBuilder();
return $query->select('*')->from('users')->where($query->expr()->eq('id', $userId))->execute()->fetch();
}
/**
* Checks if session has a key set
*
* @param string $key
* @return bool
*/
public function has($key)
{
$query = $this->db->createQueryBuilder();
$value = $query->select('count(*)')->from('sessions')->where($query->expr()->eq('name', ':key'))->setParameter(':key', $key)->execute()->fetchColumn();
return (bool) $value;
}