l104/H11/11.7.php
<!DOCTYPE html>
<?php
if(isset($_GET['backgroundkleurtje'])){
if ($_GET['backgroundkleurtje'] == 0){
$kleur = "green";
setcookie('backgroundkleurtje',0, time() + 52*7*24*60*60);
}
elseif ($_GET['backgroundkleurtje'] == 1){
$kleur = "red";
setcookie('backgroundkleurtje',1, time() + 52*7*24*60*60);
}
elseif ($_GET['backgroundkleurtje'] == 2){
$kleur = "blue";
setcookie('backgroundkleurtje',2, time() + 52*7*24*60*60);
}
}
else{
if ($_COOKIE['backgroundkleurtje'] == 0){
$kleur = "green";
setcookie('backgroundkleurtje',0, time() + 52*7*24*60*60);
}
elseif ($_COOKIE['backgroundkleurtje'] == 1){
$kleur = "red";
setcookie('backgroundkleurtje',1, time() + 52*7*24*60*60);
}
elseif ($_COOKIE['backgroundkleurtje'] == 2){
$kleur = "blue";
setcookie('backgroundkleurtje',2, time() + 52*7*24*60*60);
}
else{
setcookie('backgroundkleurtje',0, time() + 52*7*24*60*60);
$kleur = "green";
}
}
?>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<style>
body{
background-color: <?php echo $kleur; ?>;
}
</style>
<body>
<div><a href='11.7.php?backgroundkleurtje=0'>Groene achtergrond</a></div>
<div><a href= '11.7.php?backgroundkleurtje=1'>Rode achtergrond</a></div>
<div><a href= '11.7.php?backgroundkleurtje=2'>Blauwe achtergrond</a></div>
<div><a href= '11.7.php'>Herlaadt pagina</a>
</body>
</html>
Resultaat
Made by Thijs Aarnoudse