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-rw-r--r--program/include/rcube_imap_generic.php6
1 files changed, 5 insertions, 1 deletions
diff --git a/program/include/rcube_imap_generic.php b/program/include/rcube_imap_generic.php
index 52bf0e37a..9c525dcba 100644
--- a/program/include/rcube_imap_generic.php
+++ b/program/include/rcube_imap_generic.php
@@ -3530,6 +3530,10 @@ class rcube_imap_generic
*/
static function uncompressMessageSet($messages)
{
+ if (empty($messages)) {
+ return array();
+ }
+
$result = array();
$messages = explode(',', $messages);
@@ -3538,7 +3542,7 @@ class rcube_imap_generic
$max = max($items[0], $items[1]);
for ($x=$items[0]; $x<=$max; $x++) {
- $result[] = $x;
+ $result[] = (int)$x;
}
unset($messages[$idx]);
}