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-rw-r--r--program/include/rcube_result_thread.php10
1 files changed, 6 insertions, 4 deletions
diff --git a/program/include/rcube_result_thread.php b/program/include/rcube_result_thread.php
index f8b0872f8..b939f678a 100644
--- a/program/include/rcube_result_thread.php
+++ b/program/include/rcube_result_thread.php
@@ -478,16 +478,18 @@ class rcube_result_thread
$items = explode(self::SEPARATOR_ITEM, $elem);
$root = (int) array_shift($items);
- $result[$elem] = $elem;
- foreach ($items as $item) {
- list($lv, $id) = explode(self::SEPARATOR_LEVEL, $item);
+ if ($root) {
+ $result[$root] = $root;
+ foreach ($items as $item) {
+ list($lv, $id) = explode(self::SEPARATOR_LEVEL, $item);
$result[$id] = $root;
+ }
}
}
// get only unique roots
$result = array_filter($result); // make sure there are no nulls
- $result = array_unique($result, SORT_NUMERIC);
+ $result = array_unique($result);
// Re-sort raw data
$result = array_fill_keys($result, null);