E' possibile comunque simulare tale funzionamento....

file : test2069.php
codice:
<? 
$redirectTo = "http://localhost/tests/test2069b.php";
$arrVars    = array();
$arrVars['pippo']  = "ciao come va ??? bene spero !!!";
$arrVars['pluto']  = "io non sono il cane di topolino";
include("test2069a.php");
?>
file : test2069a.php
codice:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>
<head>
<title>Untitled</title>
<style type="text/css">
<!--
.hidden {position:absolute;top:-1000px;left:-1000px}
-->
</style>

</head>
<body>
<form id="myform" class="hidden" action="<? print $redirectTo ?>" method="post">
<? foreach($arrVars as $key => $value) { ?>
 <input type="hidden" name="<? print $key ?>" value="<? print $value ?>">
<? } ?>
</form>
<script language="JavaScript" type="text/javascript">
<!--
document.getElementById('myform').submit();
//-->
</script>

</body>
</html>
file : test2069b.php
codice:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>
<head>
<title>Untitled</title>
</head>
<body>
<? 
foreach ($HTTP_POST_VARS as $key => $value) {
print "$value
";
} ?>
</body>
</html>