public function get_by_id($id)
{
$this->db->connect();
$sql = "SELECT * FROM teachers WHERE id=?";
$stmt = $this->db->initialize($sql);
$stmt->bind_param("i", $id);
$stmt->execute();
$stmt->bind_result($id, $first_name, $last_name, $email, $contact_no, $faculty);
$teacher = new Teachers();
while ($row = $stmt->fetch()) {
$teacher->set_id($id);
$teacher->set_first_name($first_name);
$teacher->set_last_name($last_name);
$teacher->set_email($email);
$teacher->set_contact_no($contact_no);
$teacher->set_faculty($faculty);
}
return $teacher;
}