function isUniqueUser($id) { $pglf = new PolicyGroupListFactory(); $ph = array('id' => $id); $query = 'select a.id from ' . $this->getTable() . ' as a, ' . $pglf->getTable() . ' as b where a.policy_group_id = b.id AND a.user_id = ? AND b.deleted=0'; $user_id = $this->db->GetOne($query, $ph); Debug::Arr($user_id, 'Unique User ID: ' . $user_id, __FILE__, __LINE__, __METHOD__, 10); if ($user_id === FALSE) { return TRUE; } return FALSE; }