<?php require 'views.php'; $page = ''; if (isset($_GET['page'])) { $page = $_GET['page']; } $view = new View(); if ($page == '' || $page == 'home') { $view->getHome(); } elseif ($page == 'chart') { $view->getChart(); } elseif ($page == 'sellmeier') { $view->getSellmeierData(); }