<html>
<head>
<title>visitedh</title>
</head>
<body>
<form method="post" action="<?php echo $_SERVER['PHP_SELF'];?>">
nom <input type="text" name="nom"><br>
<input type="submit" value="envoyer">
</form>
vous êtes <?php echo $_POST['nom'];
?>
</body>
</html>