Fix E_STRICT notice

[squirrelmail.git] / functions / imap_mailbox.php

diff --git a/functions/imap_mailbox.php b/functions/imap_mailbox.php
index eeb5c7d407dd17f2b14e3a580399e56144f499b1..94b46aa82671fb21aede7747399a55645bcf2f60 100755 (executable)
--- a/functions/imap_mailbox.php
+++ b/functions/imap_mailbox.php
@@ -5,7 +5,7 @@
  *
  * This implements all functions that manipulate mailboxes
  *
- * @copyright © 1999-2009 The SquirrelMail Project Team
+ * @copyright 1999-2012 The SquirrelMail Project Team
  * @license http://opensource.org/licenses/gpl-license.php GNU Public License
  * @version $Id$
  * @package squirrelmail
@@ -216,8 +216,16 @@ function isBoxBelow( $subbox, $parentbox ) {
  * Defines special mailboxes: given a mailbox name, it checks if this is a
  * "special" one: INBOX, Trash, Sent or Draft.
  *
- * Since 1.2.5 function includes special_mailbox hook.<br>
+ * Since 1.2.5 function includes special_mailbox hook.
+ *
  * Since 1.4.3 hook supports more than one plugin.
+ *
+//FIXME: make $subfolders_of_inbox_are_special a configuration setting in conf.pl and config.php
+ * Since 1.4.22/1.5.2, the administrator can add
+ * $subfolders_of_inbox_are_special = TRUE;
+ * to config/config_local.php and all subfolders
+ * of the INBOX will be treated as special.
+ *
  * @param string $box mailbox name
  * @param boolean $include_subs (since 1.5.2) if true, subfolders of system 
  *  folders are special. if false, subfolders are not special mailboxes 
@@ -226,7 +234,9 @@ function isBoxBelow( $subbox, $parentbox ) {
  * @since 1.2.3
  */
 function isSpecialMailbox($box,$include_subs=true) {
-    $ret = ( (strtolower($box) == 'inbox') ||
+    global $subfolders_of_inbox_are_special;
+    $ret = ( ($subfolders_of_inbox_are_special && isInboxMailbox($box,$include_subs)) ||
+             (!$subfolders_of_inbox_are_special && strtolower($box) == 'inbox') ||
              isTrashMailbox($box,$include_subs) || 
              isSentMailbox($box,$include_subs) || 
              isDraftMailbox($box,$include_subs) );
@@ -237,6 +247,23 @@ function isSpecialMailbox($box,$include_subs=true) {
     return $ret;
 }
 
+/**
+ * Detects if mailbox is the Inbox folder or subfolder of the Inbox
+ *
+ * @param string $box The mailbox name to test
+ * @param boolean $include_subs If true, subfolders of system folders
+ *                              are special.  If false, subfolders are
+ *                              not special mailboxes.
+ *
+ * @return boolean Whether this is the Inbox or a child thereof.
+ *
+ * @since 1.4.22
+ */
+function isInboxMailbox($box, $include_subs=TRUE) {
+   return ((strtolower($box) == 'inbox')
+        || ($include_subs && isBoxBelow(strtolower($box), 'inbox')));
+}
+
 /**
  * Detects if mailbox is a Trash folder or subfolder of Trash
  * @param string $box mailbox name