squirrelmail/functions/global.php

74 lines
2 KiB
PHP

<?php
/**
* globals.php
*
* Copyright (c) 1999-2002 The SquirrelMail Project Team
* Licensed under the GNU GPL. For full terms see the file COPYING.
*
* This includes code to update < 4.1.0 globals to the newer format
* It also has two session register functions that work across various
* php versions.
*
* $Id$
*/
/* convert old-style superglobals to current method
* this is executed if you are running PHP 4.0.x.
* it is run via a require_once directive in validate.php
* and redirect.php. Patch submitted by Ray Black.
*/
if ( (float)substr(PHP_VERSION,0,3) < 4.1 ) {
global $_COOKIE, $_ENV, $_FILES, $_GET, $_POST, $_SERVER, $_SESSION;
global $HTTP_COOKIE_VARS, $HTTP_ENV_VARS, $HTTP_POST_FILES, $HTTP_GET_VARS,
$HTTP_POST_VARS, $HTTP_SERVER_VARS, $HTTP_SESSION_VARS;
$_COOKIE =& $HTTP_COOKIE_VARS;
$_ENV =& $HTTP_ENV_VARS;
$_FILES =& $HTTP_POST_FILES;
$_GET =& $HTTP_GET_VARS;
$_POST =& $HTTP_POST_VARS;
$_SERVER =& $HTTP_SERVER_VARS;
$_SESSION =& $HTTP_SESSION_VARS;
}
function sqsession_register ($var, $name) {
$rg = ini_get('register_globals');
if ( (float)substr(PHP_VERSION,0,3) < 4.1 && empty($rg)) {
global $HTTP_SESSION_VARS;
$HTTP_SESSION_VARS["$name"] = $var;
}
else {
session_register("$name");
}
}
function sqsession_unregister ($name) {
$rg = ini_get('register_globals');
if ( (float)substr(PHP_VERSION,0,3) < 4.1 && empty($rg)) {
global $HTTP_SESSION_VARS;
unset($HTTP_SESSION_VARS["$name"]);
}
else {
session_unregister("$name");
}
}
/**
* Search for the var $name in $_SESSION, $_POST, $_GET
* (in that order) and register it as a global var.
*/
function sqextractGlobalVar ($name) {
global $_SESSION, $_GET, $_POST, $$name;
if( isset($_SESSION[$name]) ) {
$$name = $_SESSION[$name];
}
if( isset($_POST[$name]) ) {
$$name = $_POST[$name];
}
else if ( isset($_GET[$name]) ) {
$$name = $_GET[$name];
}
}
?>