public function insertlubricantExp() { $prd = $_POST['prd']; $price = $_POST['price']; $qty = $_POST['qty']; $supplier = $_POST['supplier']; $bqnty = $_POST['bqnty']; $total = $_POST['total']; require 'models/Revenue_model.php'; $model = new Revenue_model(); if ($model->insertlubricantExp($prd, $price, $qty, $supplier, $bqnty, $total)) { echo "Success"; } }