l106/H11/11.8.php

<?php if(isset($_POST['kleur'])){ setcookie('kleur',$_POST['kleur'], time() + 52*7*24*60*60); $kleur = $_POST['kleur']; } elseif(isset($_COOKIE['kleur'])){ $kleur = $_COOKIE['kleur']; } else{ setcookie('kleur',0, time() + 52*7*24*60*60); } ?> <html> <head> <style> body{ background-color: <?php echo $kleur; ?>; } </style> </head> <body> <form method ="post"action=""> <input type="radio" name="kleur" value="blue" <?php if(isset($kleur) && $kleur =="blue"){echo "checked";}; ?>>blue<br> <input type="radio" name="kleur" value="red"<?php if(isset($kleur) && $kleur =="red"){echo "checked";}; ?>>red<br> <input type="radio" name="kleur" value="white"<?php if(isset($kleur) && $kleur =="white"){echo "checked";}; ?>>white<br> <input type="submit" value ="versturen"> </form> </body>

Resultaat

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