function laydatahanghoa($idct)
{
$ct = new CongTy();
$ct->set_idcongty($idct);
return $ct->listhanghoa();
}
<?php
ini_set("display_errors", 0);
require_once '../../../libraries/oop.php';
require_once '../../../libraries/loaihang.php';
require_once '../../../libraries/congty.php';
require_once '../../../libraries/hanghoa.php';
$idcongty = $_GET['idcongty'];
$congty = new CongTy();
$congty->set_idcongty($idcongty);
$data_hang = $congty->listhanghoa();
echo "<option value='-1'>----Chọn----</option>";
foreach ($data_hang as $item_hang) {
?>
<option value='<?php
echo $item_hang['idHang'];
?>
'><?php
echo $item_hang['TenHang'];
?>
</option> <?php
}
?>
