if (!isset($_POST['quantity']) || $_POST['quantity'] == '')
$_POST['quantity'] = qty_format(max($wo_details["units_reqd"] - $wo_details["units_issued"], 0), $wo_details["stock_id"], $dec);
if (!isset($_POST['quantity']) || $_POST['quantity'] == '')
$_POST['quantity'] = qty_format(max($wo_details["units_reqd"] - $wo_details["units_issued"], 0), $wo_details["stock_id"], $dec);