Remplissage automatique d'un document

<a href="mapage.php?var1='2'&amp;var2='3'">...</a>

<form action="mapage.php" method="get">
<input type="hidden" name="var1" value='2' />
<input type="hidden" name="var2" value='3' />
<input type="submit" value="OK" />
</form>

<?php
$var1 = $_get['var1'];
$var2 = $_get['var2'];
?>

<form action="mapage.php" method="post">
<input type="hidden" name="var1" value='2' />
<input type="hidden" name="var2" value='3' />
<input type="submit" value="OK" />
</form>

<?php
$var1 = $_post['var1'];
$var2 = $_post['var2'];
?>

<?php

session_start();

$_session['nom'] = 'John';

?>

<?php
session_start();
$nom = $_session['nom'];
?>