/usr/share/php/PHP/Compat/Environment/register_globals_on.php is in php-compat 1.6.0a3-2build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/**
* Emulate enviroment register_globals=on
*
* @category PHP
* @package PHP_Compat
* @license LGPL - http://www.gnu.org/licenses/lgpl.html
* @copyright 2004-2007 Aidan Lister <aidan@php.net>, Arpad Ray <arpad@php.net>
* @link http://php.net/register_globals
* @author Aidan Lister <aidan@php.net>
* @author Arpad Ray <arpad@php.net>
* @version $Revision: 274851 $
*/
// wrap everything in a function to keep global scope clean
function php_compat_register_globals_on()
{
//register_globals is already on? Do nothing
if (ini_get('register_globals')) { return; }
$superglobals = array();
$phpLt410 = PHP_VERSION < 4.1;
// determine on which arrays to operate and in what order
if ($phpLt410 || ini_get('register_long_arrays')) {
global $HTTP_SERVER_VARS, $HTTP_ENV_VARS, $HTTP_COOKIE_VARS,
$HTTP_SESSION_VARS, $HTTP_POST_VARS, $HTTP_POST_FILES, $HTTP_GET_VARS;
$superglobals['S'][] = 'HTTP_SERVER_VARS';
$superglobals['E'][] = 'HTTP_ENV_VARS';
$superglobals['C'][] = 'HTTP_COOKIE_VARS';
$superglobals['C'][] = 'HTTP_SESSION_VARS';
$superglobals['G'][] = 'HTTP_GET_VARS';
$superglobals['P'][] = 'HTTP_POST_VARS';
$superglobals['P'][] = 'HTTP_POST_FILES';
}
if (!$phpLt410) {
$superglobals['S'][] = '_SERVER';
$superglobals['E'][] = '_ENV';
$superglobals['C'][] = '_COOKIE';
$superglobals['C'][] = '_SESSION';
$superglobals['G'][] = '_GET';
$superglobals['P'][] = '_POST';
$superglobals['P'][] = '_FILES';
}
$order = ini_get('variables_order');
$order_length = strlen($order);
$inputs = array();
for ($i = 0; $i < $order_length; $i++) {
$key = strtoupper($order[$i]);
if (!isset($superglobals[$key])) {
continue;
}
foreach ($superglobals[$key] as $var) {
if (isset($GLOBALS[$var])) {
$inputs[] = $GLOBALS[$var];
}
}
}
// build lookup array of predefined vars
$allGlobals = array(
'GLOBALS' => 1, 'HTTP_RAW_POST_DATA' => 1,
'php_errormsg' => 1, 'http_response_header' => 1
);
foreach ($superglobals as $index => $vars) {
foreach ($vars as $var) {
$allGlobals[$var] = 1;
}
}
// extract the specified arrays, reverse order since we're not overwriting
for ($i = count($inputs); $i--;) {
foreach ($inputs[$i] as $var => $value) {
// ensure users can't set predefined vars or existing globals
if (!isset($allGlobals[$var]) && !isset($GLOBALS[$var])) {
$GLOBALS[$var] = $value;
}
}
}
}
php_compat_register_globals_on();
// Register the change
//ini_set('register_globals', 'on'); // Cannot be set at runtime (bug 15532)
$GLOBALS['__PHP_Compat_ini']['register_globals'] = true;
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