<?php class Getal { public function getSom($getal1, $getal2) { $resultaat = $getal1 + $getal2; return $resultaat; } } ?> <!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>Getallenkiezer</title> </head> <body> <?php echo "Getal 1: " . $_GET["getal1"] . ". <br>"; echo "Getal 2: " . $_GET["getal2"] . ". <br>"; $getal = new Getal(); $resultaat = $getal->getSom($_GET["getal1"], $_GET["getal2"]); echo "De som van " . $_GET["getal1"] . "+" . $_GET["getal2"] . " = " . $resultaat; ?> </body> </html>