- Fix (workaround) delete operations with some versions of memcache (#1488592)

CHANGELOG

@@ -1,6 +1,7 @@
 CHANGELOG Roundcube Webmail
 ===========================
 
+- Fix (workaround) delete operations with some versions of memcache (#1488592)
 - Fix (disable) request validation for spell and spell_html actions
 - Add new DB abstraction layer based on PHP PDO, supporting SQLite3 (#1488332)
 - Removed PEAR::MDB2 package

program/include/rcube_cache.php

@@ -463,10 +463,13 @@ class rcube_cache
      */
     private function delete_record($key, $index=true)
     {
-        if ($this->type == 'memcache')
-            $this->db->delete($this->ckey($key));
-        else
+        if ($this->type == 'memcache') {
+            // #1488592: use 2nd argument
+            $this->db->delete($this->ckey($key), 0);
+        }
+        else {
             apc_delete($this->ckey($key));
+        }
 
         if ($index) {
             if (($idx = array_search($key, $this->index)) !== false) {

program/include/rcube_session.php

@@ -312,7 +312,8 @@ class rcube_session
   public function mc_destroy($key)
   {
     if ($key) {
-      $this->memcache->delete($key);
+      // #1488592: use 2nd argument
+      $this->memcache->delete($key, 0);
     }
 
     return true;