query($sql);
while($row = $result->fetch_assoc()) {
$cat_id = $row['id'];
$sql11 = "SELECT * FROM sub_category where cat_id=$cat_id ORDER BY name ASC";
$result111 = $conn->query($sql11);
echo ' ';
if ($result111->num_rows > 0) {
// output data of each row
while($row7 = $result111->fetch_assoc()) { ?>