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-rw-r--r--program/include/rcube_imap.inc12
1 files changed, 9 insertions, 3 deletions
diff --git a/program/include/rcube_imap.inc b/program/include/rcube_imap.inc
index 4c707e3bb..a6e8d78a2 100644
--- a/program/include/rcube_imap.inc
+++ b/program/include/rcube_imap.inc
@@ -311,9 +311,11 @@ class rcube_imap
{
$a_header_index = iil_C_FetchHeaders($this->conn, $mailbox, "1:$max");
$a_msg_headers = array();
- foreach ($a_header_index as $i => $headers)
- if (!$headers->deleted)
- $a_msg_headers[$headers->uid] = $headers;
+
+ if (!empty($a_header_index))
+ foreach ($a_header_index as $i => $headers)
+ if (!$headers->deleted)
+ $a_msg_headers[$headers->uid] = $headers;
// print "/**** fetch headers ****/\n";
}
@@ -325,6 +327,7 @@ class rcube_imap
// sort headers by a specific col
$a_headers = iil_SortHeaders($a_msg_headers, $sort_field, $sort_order);
+
// free memory
unset($a_msg_headers);
@@ -332,6 +335,9 @@ class rcube_imap
if (!$headers_cached)
$this->update_cache($mailbox.'.msg', $a_headers);
+ if (empty($a_headers))
+ return array();
+
// return complete list of messages
if (strtolower($page)=='all')
return $a_headers;