function doDelete()
{
@($id = $_POST['selector']);
$key = count($id);
//multi delete using checkbox as a selector
for ($i = 0; $i < $key; $i++) {
$bureau = new bureau();
$bureau->delete($id[$i]);
$details = new bureau_details();
$details->delete($id[$i]);
$sy = new Schoolyr();
$sy->delete($id[$i]);
$req = new Requirements();
$req->delete($id[$i]);
}
message("bureau has successfully deleted!", "info");
redirect('index.php');
}