- use explode() instead of deprecated in php5.3 split()

program/include/rcube_contacts.php

@@ -154,7 +154,7 @@ class rcube_contacts extends rcube_addressbook
     {
       if ($col == 'ID' || $col == $this->primary_key)
       {
-        $ids = !is_array($value) ? split(',', $value) : $value;
+        $ids = !is_array($value) ? explode(',', $value) : $value;
         $add_where[] = $this->primary_key.' IN ('.join(',', $ids).')';
       }
       else if ($strict)

program/include/rcube_imap.php

@@ -303,7 +303,7 @@ class rcube_imap
     if (is_array($str) && $msgs == null)
       list($str, $msgs, $charset, $sort_field) = $str;
     if ($msgs != null && !is_array($msgs))
-      $msgs = split(',', $msgs);
+      $msgs = explode(',', $msgs);
       
     $this->search_string = $str;
     $this->search_set = $msgs;