<?php $OS = "linux"; // TODO ?> <!doctype html> <html> <head> <meta charset="UTF-8"> <link rel="stylesheet" href="https://unpkg.com/@picocss/pico@1.*/css/pico.min.css"> <link rel="stylesheet" href="css/style.css"> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css"> </head> <body> <main class="container"> <section> <section> <form method="POST"> <fieldset> <legend>Changez votre OS</legend> <label> <input type="radio" name="OS" value="linux"> <i class="fa fa-linux fa-2x" aria-hidden="true"></i> </label> <label> <input type="radio" name="OS" value="windows"> <i class="fa fa-windows fa-2x" aria-hidden="true"></i> </label> <label> <input type="radio" name="OS" value="apple"> <i class="fa fa-apple fa-2x" aria-hidden="true"></i> </label> </fieldset> <button type="submit">Envoyer</button> </form> </section> <section> <p> <?php echo "<i class='fa fa-$OS fa-4x'></i>";?> </p> <p>Rafraîchir la page <a href=""><i class="fa fa-refresh" aria-hidden="true"></i></a></p> </section> </section> </main> </body> </html>