<?php session_start(); class getal { public function willekeurig() { if (!isset($_SESSION["teRadenGetal"])) { $_SESSION["teRadenGetal"] = rand(1, 100); } echo $_SESSION["teRadenGetal"]; return $_SESSION["teRadenGetal"]; } } ?> <!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title></title> </head> <body> <?php $tab = new Getal(); $resultaat = $tab->willekeurig(); ?> </body> </html>