function __construct($id)
{
$db = new DatabaseConnection("localhost", "adminuser", "asd12345", "school");
$sql = "SELECT * FROM teachers WHERE id = ?";
$string = array($id);
$res = $db->select($sql, $string, true, 'i');
$n = $res[0]['name'];
$c = $res[0]['code'];
$b = $res[0]['birth'];
$r = $res[0]['residency'];
$p = $res[0]['password'];
$e = $res[0]['email'];
$pn = $res[0]['p_num'];
parent::__construct($id, $c, $n, $b, $p, $e, $pn, $r);
}
public function __construct()
{
parent::__construct();
}
