private function getActiveClassIds($member_id) { $student = new Core_Model_Member_Student(); $student->setMember_id($member_id); $class_ids = $student->fetchActiveClassIds(); //if (is_array($class_ids)) { return $class_ids; /* } else { if ($class_ids == false) { throw new Exception( 'Student with member_id : ' . $member_id . ' has not been registered in any Acdemic Class ', Zend_Log::WARN); } }*/ }