diff --git a/R3.01/tp/tp2/ex1/ex1.php b/R3.01/tp/tp2/ex1/ex1.php
index 351ce8a..c28dd0f 100644
--- a/R3.01/tp/tp2/ex1/ex1.php
+++ b/R3.01/tp/tp2/ex1/ex1.php
@@ -1,26 +1,27 @@
 <?php
-include 'include/controller.php';
+include_once 'include/controller.php';
 ?>
 <!DOCTYPE html>
-<html lang="en">
-	<head>
+
+<html lang="fr">
+    <head>
 <link
   rel="stylesheet"
   href="https://cdn.jsdelivr.net/npm/@picocss/pico@2/css/pico.classless.min.css"
 />
 <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.2/css/all.min.css" integrity="sha512-SnH5WK+bZxgPHs44uWIX+LLJAJ9/2PkPKZ5QiAj6Ta86w+fsb2TkcmfRyVX3pBnMFcV7oQPJkl9QevSCWr3W6A==" crossorigin="anonymous" referrerpolicy="no-referrer" />
-		<link rel="stylesheet" href="./css/style.css">
-		<meta charset="UTF-8" />
-		<title></title>
-	</head>
-	<body>
-		<main>
-				<ul>
-					<?php
-						echo "<li>$prenom $nom</li>";
-						echo "<li><i class='fa-brands $icon fa-2x'></i></li>";
-					?>
-				</ul>
-		</main>
-	</body>
+        <link rel="stylesheet" href="./css/style.css">
+        <meta charset="UTF-8" />
+        <title>Exercice 1</title>
+    </head>
+    <body>
+        <main>
+            <ul>
+                <?php
+                    echo '<li>' . htmlspecialchars($prenom . ' ' . $nom, ENT_QUOTES, 'UTF-8') . '</li>';
+                    echo '<li>' . htmlspecialchars($systeme, ENT_QUOTES, 'UTF-8') . " <i class='fa-brands $icon fa-2x'></i></li>";
+                ?>
+            </ul>
+        </main>
+    </body>
 </html>
diff --git a/R3.01/tp/tp2/ex1/include/controller.php b/R3.01/tp/tp2/ex1/include/controller.php
index d8e50ed..07d5eab 100644
--- a/R3.01/tp/tp2/ex1/include/controller.php
+++ b/R3.01/tp/tp2/ex1/include/controller.php
@@ -1,2 +1,27 @@
 <?php
-// TODO
+
+$nom = '';
+$prenom = '';
+$systeme = '';
+$icon = 'fa-circle-question';
+
+$systemes = [
+	1 => ['nom' => 'Linux', 'icon' => 'fa-linux'],
+	2 => ['nom' => 'Windows', 'icon' => 'fa-windows'],
+	3 => ['nom' => 'macOS', 'icon' => 'fa-apple'],
+	4 => ['nom' => 'Android', 'icon' => 'fa-android'],
+];
+
+if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+	$nomSaisi = trim((string) filter_input(INPUT_POST, 'nom', FILTER_UNSAFE_RAW));
+	$prenomSaisi = trim((string) filter_input(INPUT_POST, 'prenom', FILTER_UNSAFE_RAW));
+	$os = filter_input(INPUT_POST, 'os', FILTER_VALIDATE_INT);
+
+	$nom = ucfirst(strtolower($nomSaisi));
+	$prenom = ucfirst(strtolower($prenomSaisi));
+
+	if (isset($systemes[$os])) {
+		$systeme = $systemes[$os]['nom'];
+		$icon = $systemes[$os]['icon'];
+	}
+}
