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Bug #24253 $DOCUMENT_ROOT and $PHP_SELF not set (Apache 1.3)
Submitted: 2003-06-19 03:43 UTC Modified: 2003-06-20 12:00 UTC
From: tim at digicol dot de Assigned:
Status: Closed Package: Scripting Engine problem
PHP Version: 4.3.3RC1 OS: Red Hat 7.3 (Linux 2.4.18-3)
Private report: No CVE-ID: None
 [2003-06-19 03:43 UTC] tim at digicol dot de
Description:
------------
My PHP is compiled statically into Apache 1.3.27:
./configure --with-mysql --with-oracle --with-oci8 --enable-sigchild --with-db3 --with-ldap --with-zlib --with-gd --with-mcrypt=/usr/local/libmcrypt-2.5.7 --with-curl=/usr/local --with-apache=/usr/local/apache_1.3.27

In PHP 4.3.3RC1, the variables $DOCUMENT_ROOT and $PHP_SELF seem to have disappeared completely, even if register_globals is on.

Accessing these variables through $_SERVER or $HTTP_SERVER_VARS works fine.

In PHP 4.3.2 (and - to my knowledge - in all previous 3.x and 4.x versions), $DOCUMENT_ROOT and $PHP_SELF are there as long as register_globals is on.

This breaks backwards compatibility quite awfully. Any chance that this change will be reverted? (If not, please at least make a big note in the NEWS/ChangeLog...)

I'm no C programmer and I don't understand what's going on there, but I saw that php4/main/php_variables.c had been changed...

Reproduce code:
---------------
register_globals: "<?=ini_get('register_globals')?>"
$PHP_SELF: "<?=$PHP_SELF?>"
$_SERVER[ PHP_SELF ]: "<?=$_SERVER[ 'PHP_SELF' ]?>"
$DOCUMENT_ROOT: "<?=$DOCUMENT_ROOT?>"
$_SERVER[ DOCUMENT_ROOT ]: "<?=$_SERVER[ 'DOCUMENT_ROOT' ]?>"


Expected result:
----------------
register_globals: "1"
$PHP_SELF: "/test.php"
$_SERVER[ PHP_SELF ]: "/test.php"
$DOCUMENT_ROOT: "/home/www"
$_SERVER[ DOCUMENT_ROOT ]: "/home/www"

Actual result:
--------------
register_globals: "1"
$PHP_SELF: ""
$_SERVER[ PHP_SELF ]: "/test.php"
$DOCUMENT_ROOT: ""
$_SERVER[ DOCUMENT_ROOT ]: "/home/www"

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 [2003-06-20 12:00 UTC] iliaa@php.net
This bug has been fixed in CVS.

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