pageTitle = 'Converter'; require_once('Models/Converter.php'); if(isset($_POST['submit'])) { $converter = new Converter($_POST['number'],$_POST['fromUnit'],$_POST['toUnit']); $value = $converter->convert(); if (!$value) { $view->value = "Invalid Number"; } else { $view->result = $_POST['number'] . ' ' . $_POST['fromUnit'] . ' is ' . $value . ' ' . $_POST['toUnit'] . '.'; } } require_once('Views/converter.phtml');