example:

<?php

  echo("-->".$PATH_TRANSLATED."<--");

  $test = 1;
  echo $test;

  phpinfo();
  
?>

displays:

--><--1
PHP Version 4.0B2

--------------------------------------------------------------------------------
System: Windows NT 4.0 build 1381
Build Date: Aug 13 1999 
php.ini path: php.ini
ZEND_DEBUG=0
ZTS is defined
--------------------------------------------------------------------------------
This program makes use of the Zend scripting language engine:

Zend Engine v0.90, Copyright (c) 1998, 1999 Andi Gutmans, Zeev Suraski

....

and continues

...

Error:

the variable $PATH_TRANSLATED does not output back to browser (nor any other).
Meanwhile the php_info() display's that it exists and is set to:

$PATH_TRANSLATED - C:\InetPub\wwwroot\index.php