From 1e5d5725bf3b54ab876056f8c16108f7947734f2 Mon Sep 17 00:00:00 2001
From: alec <alec@208e9e7b-5314-0410-a742-e7e81cd9613c>
Date: Mon, 22 Jun 2009 18:32:51 +0000
Subject: - performance improvements of messages caching

git-svn-id: https://svn.roundcube.net/trunk@2673 208e9e7b-5314-0410-a742-e7e81cd9613c
---
 roundcubemail/program/include/rcube_mdb2.php | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'roundcubemail/program/include/rcube_mdb2.php')

diff --git a/roundcubemail/program/include/rcube_mdb2.php b/roundcubemail/program/include/rcube_mdb2.php
index b1e5fff80..266550127 100644
--- a/roundcubemail/program/include/rcube_mdb2.php
+++ b/roundcubemail/program/include/rcube_mdb2.php
@@ -469,6 +469,26 @@ class rcube_mdb2
     }
 
 
+  /**
+   * Return list of elements for use with SQL's IN clause
+   *
+   * @param  string Input array
+   * @return string Elements list string
+   * @access public
+   */
+  function array2list($arr, $type=null)
+    {
+    if (!is_array($arr))
+      return $this->quote($arr, $type);
+    
+    $res = array();
+    foreach ($arr as $item)
+      $res[] = $this->quote($item, $type);
+
+    return implode(',', $res);
+    }
+
+
   /**
    * Return SQL statement to convert a field value into a unix timestamp
    *
-- 
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