Make multi-folder message identifiers work with folders containing commas

1 files changed, 7 insertions, 3 deletions

diff --git a/program/include/rcmail.php b/program/include/rcmail.php
index 2ccad03c6..5da181438 100644
--- a/program/include/rcmail.php
+++ b/program/include/rcmail.php
@@ -2025,8 +2025,9 @@ class rcmail extends rcube
         $_uid  = $uids ?: rcube_utils::get_input_value('_uid', RCUBE_INPUT_GPC);
         $_mbox = $mbox ?: (string)rcube_utils::get_input_value('_mbox', RCUBE_INPUT_GPC);
 
-        if (is_array($uid)) {
-            return $uid;
+        // already a hash array
+        if (is_array($_uid) && !isset($_uid[0])) {
+            return $_uid;
         }
 
         $result = array();
@@ -2040,8 +2041,11 @@ class rcmail extends rcube
             }
         }
         else {
+            if (is_string($_uid))
+                $_uid = explode(',', $_uid);
+
             // create a per-folder UIDs array
-            foreach (explode(',', $_uid) as $uid) {
+            foreach ((array)$_uid as $uid) {
                 list($uid, $mbox) = explode('-', $uid, 2);
                 if (empty($mbox))
                     $mbox = $_mbox;