61d9ec71 |
1 | <?php |
2 | |
3 | /** |
4 | * globals.php |
5 | * |
6 | * Copyright (c) 1999-2002 The SquirrelMail Project Team |
7 | * Licensed under the GNU GPL. For full terms see the file COPYING. |
8 | * |
9 | * This includes code to update < 4.1.0 globals to the newer format |
10 | * It also has two session register functions that work across various |
11 | * php versions. |
12 | * |
13 | * $Id$ |
14 | */ |
15 | |
16 | |
17 | /* convert old-style superglobals to current method |
18 | * this is executed if you are running PHP 4.0.x. |
19 | * it is run via a require_once directive in validate.php |
20 | * and redirect.php. Patch submitted by Ray Black. |
21 | */ |
22 | |
23 | if ( (float)substr(PHP_VERSION,0,3) < 4.1 ) { |
24 | global $_COOKIE, $_ENV, $_FILES, $_GET, $_POST, $_SERVER, $_SESSION; |
25 | global $HTTP_COOKIE_VARS, $HTTP_ENV_VARS, $HTTP_POST_FILES, $HTTP_GET_VARS, |
26 | $HTTP_POST_VARS, $HTTP_SERVER_VARS, $HTTP_SESSION_VARS; |
27 | $_COOKIE =& $HTTP_COOKIE_VARS; |
28 | $_ENV =& $HTTP_ENV_VARS; |
29 | $_FILES =& $HTTP_POST_FILES; |
30 | $_GET =& $HTTP_GET_VARS; |
31 | $_POST =& $HTTP_POST_VARS; |
32 | $_SERVER =& $HTTP_SERVER_VARS; |
33 | $_SESSION =& $HTTP_SESSION_VARS; |
34 | } |
35 | |
36 | function sqsession_register ($var, $name) { |
37 | $rg = ini_get('register_globals'); |
38 | if ( (float)substr(PHP_VERSION,0,3) < 4.1 && empty($rg)) { |
39 | global $HTTP_SESSION_VARS; |
40 | $HTTP_SESSION_VARS["$name"] = $var; |
41 | } |
42 | else { |
43 | session_register("$name"); |
44 | } |
45 | } |
46 | function sqsession_unregister ($name) { |
47 | $rg = ini_get('register_globals'); |
48 | if ( (float)substr(PHP_VERSION,0,3) < 4.1 && empty($rg)) { |
49 | global $HTTP_SESSION_VARS; |
50 | unset($HTTP_SESSION_VARS["$name"]); |
51 | } |
52 | else { |
53 | session_unregister("$name"); |
54 | } |
55 | } |
56 | |
57 | /** |
58 | * Search for the var $name in $_SESSION, $_POST, $_GET |
59 | * (in that order) and register it as a global var. |
60 | */ |
61 | function sqextractGlobalVar ($name) { |
62 | global $_SESSION, $_GET, $_POST, $$name; |
63 | |
64 | if( isset($_SESSION[$name]) ) { |
65 | $$name = $_SESSION[$name]; |
66 | } |
67 | if( isset($_POST[$name]) ) { |
68 | $$name = $_POST[$name]; |
69 | } |
70 | else if ( isset($_GET[$name]) ) { |
71 | $$name = $_GET[$name]; |
72 | } |
73 | } |
74 | ?> |