l104/H11/11.8.php
<!DOCTYPE html>
<?php
if(isset($_POST['kleur'])){
$kleur= $_POST['kleur'];
setcookie('kleur',$kleur, time() + 52*7*24*60*60);
}
else{
if (isset($_COOKIE['kleur'])){
$kleur = $_POST['kleur'];
setcookie('kleur',$kleur, time() + 52*7*24*60*60);
}
else{
setcookie('kleur',"green", time() + 52*7*24*60*60);
}
}
?>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
body{
background-color: <?php echo $kleur; ?>;
}
</style>
</head>
<body>
<form method='post' action =''>
<div><input type='radio' name='kleur' value="green" <?php if(isset($kleur) && $kleur =="green"){echo "checked";}; ?>> Groen</div>
<div><input type='radio' name='kleur' value="red" <?php if(isset($kleur) && $kleur =="red"){echo "checked";}; ?>> Rood</div>
<div><input type='radio' name='kleur' value="blue"<?php if(isset($kleur) && $kleur =="blue"){echo "checked";}; ?>> Blauw</div>
<div><input type='submit' valuea='Posten'></div>
</form>
</body>
</html>
Resultaat
Made by Thijs Aarnoudse