Fix a PHP warning (#8743)

2 files changed, 2 insertions, 2 deletions

diff --git a/program/lib/Roundcube/rcube_imap.php b/program/lib/Roundcube/rcube_imap.php
index 325e91da4..bd69663f3 100644
--- a/program/lib/Roundcube/rcube_imap.php
+++ b/program/lib/Roundcube/rcube_imap.php
@@ -2064,7 +2064,7 @@ class rcube_imap extends rcube_storage
                     $struct->ctype_secondary = strtolower($part[$i]);
 
                     // read content type parameters
-                    if (is_array($part[$i+1])) {
+                    if (isset($part[$i+1]) && is_array($part[$i+1])) {
                         $struct->ctype_parameters = [];
                         for ($j=0; $j<count($part[$i+1]); $j+=2) {
                             $param = strtolower($part[$i+1][$j]);
diff --git a/program/lib/Roundcube/rcube_result_index.php b/program/lib/Roundcube/rcube_result_index.php
index 0180d62db..ba487280a 100644
--- a/program/lib/Roundcube/rcube_result_index.php
+++ b/program/lib/Roundcube/rcube_result_index.php
@@ -419,7 +419,7 @@ class rcube_result_index
      */
     public function get_parameters($param = null)
     {
-        $params = $this->params;
+        $params            = $this->params;
         $params['MAILBOX'] = $this->mailbox;
         $params['ORDER']   = $this->order;