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-rw-r--r--program/include/rcube_imap.php5
1 files changed, 3 insertions, 2 deletions
diff --git a/program/include/rcube_imap.php b/program/include/rcube_imap.php
index 7becb4fce..468d98c40 100644
--- a/program/include/rcube_imap.php
+++ b/program/include/rcube_imap.php
@@ -693,7 +693,8 @@ class rcube_imap
$result = array(
'count' => count($this->icache['threads']['tree']),
'msgcount' => count($this->icache['threads']['depth']),
- 'maxuid' => max(array_keys($this->icache['threads']['depth'])),
+ 'maxuid' => !empty($this->icache['threads']['depth']) ?
+ max(array_keys($this->icache['threads']['depth'])) : 0,
);
}
else if (is_array($result = $this->_fetch_threads($mailbox))) {
@@ -702,7 +703,7 @@ class rcube_imap
$result = array(
'count' => count($result[0]),
'msgcount' => count($result[1]),
- 'maxuid' => max(array_keys($result[1])),
+ 'maxuid' => !empty($result[1]) ? max(array_keys($result[1])) : 0,
);
}