public function get_all()
{
$teacher_list = array();
$this->db->connect();
$sql = "SELECT * FROM teachers";
$result = $this->db->fetch_query($sql);
while ($row = $result->fetch_assoc()) {
$teacher = new Teacher();
$teacher->set_id($row['id']);
$teacher->set_first_name($row['first_name']);
$teacher->set_last_name($row['last_name']);
$teacher->set_email($row['email']);
$teacher->set_contact_no($row['contact_no']);
$teacher->set_faculty($row['faculty']);
array_push($teacher_list, $teacher);
}
return $teacher_list;
}
