php session_start print Test in index php print pre print_r _SESSION p

<?php
    session_start();

    print "Test in index.php (#1)";
    print "<pre>";
    print_r($_SESSION);
    print "/<pre>";

    include "auth.php";

    print "Test in index.php (#2)";
    print "<pre>";
    print_r($_SESSION);
    print "/<pre>";


    include "test.php";