db->get_where('subject', array('teacher_id' => $this->session->userdata('login_user_id')))->result_array(); foreach($subjects as $row): ?>

	db->get_where('class', array('class_id' => $row['class_id']))->row()->name;?>	db->where('class_id', $row['class_id']); echo $this->db->count_all_results('enroll'); ?>