public function insertEveningOrder()
{
require 'models/Stocks_model.php';
$readingPetrol = $_POST['petrol'];
$readingSPetrol = $_POST['spetrol'];
$readingDiesel = $_POST['diesel'];
$readingSDiesel = $_POST['sdiesel'];
$qntyPetrol = $_POST['qntyPetrol'];
$qntySPetrol = $_POST['qntySPetrol'];
$qntyDiesel = $_POST['qntyDiesel'];
$qntySDiesel = $_POST['qntySDiesel'];
$model = new Stocks_model();
$model->insertEveningStock($readingPetrol, $qntyPetrol, $readingSPetrol, $qntySPetrol, $readingDiesel, $qntyDiesel, $readingSDiesel, $qntySDiesel);
$model->updateTank($qntyPetrol, $qntySPetrol, $qntyDiesel, $qntySDiesel);
echo "DONE";
}