Description:
------------
<?php
//php 5.2.1
//[php.ini]
//register_long_arrays = Off

session_start();

$_SESSION['test']['a'] = 'ok';
$_SESSION['test']['b'] = 'ok';
$_SESSION['test']['c'] = 'ok';
$_SESSION['test']['d'] = 'ok';
$_SESSION['test']['e'] = 'ok';

function test()
{
	print_r($GLOBALS['test']);
}

register_shutdown_function('test');
?>
<img src="" />

<?php
/*
output:

<img src="" />

Array
(
    [a] => ok
    [b] => ok
    [c] => ok
    [d] => ok
    [e] => ok
)
*/
?>

Reproduce code:
---------------
<?php
//php 5.2.1

session_start();

$_SESSION['test']['a'] = 'ok';
$_SESSION['test']['b'] = 'ok';
$_SESSION['test']['c'] = 'ok';
$_SESSION['test']['d'] = 'ok';
$_SESSION['test']['e'] = 'ok';

function test()
{
	print_r($GLOBALS['test']);
}

register_shutdown_function('test');
?>
<img src="" />

Expected result:
----------------
<img src="" />

Array
(
)

Actual result:
--------------
<img src="" />

Array
(
    [a] => ok
    [b] => ok
    [c] => ok
    [d] => ok
    [e] => ok
)