update smarty library - seems to bring some performance improvement

library/Smarty/demo/plugins/cacheresource.pdo_gzip.php

@@ -0,0 +1,43 @@
+<?php
+
+/**
+ * PDO Cache Handler with GZIP support
+ * Example usage :
+ *      $cnx    =   new PDO("mysql:host=localhost;dbname=mydb", "username", "password");
+ *      $smarty->setCachingType('pdo_gzip');
+ *      $smarty->loadPlugin('Smarty_CacheResource_Pdo_Gzip');
+ *      $smarty->registerCacheResource('pdo_gzip', new Smarty_CacheResource_Pdo_Gzip($cnx, 'smarty_cache'));
+ *
+ * @require Smarty_CacheResource_Pdo class
+ * @author  Beno!t POLASZEK - 2014
+ */
+require_once 'cacheresource.pdo.php';
+
+class Smarty_CacheResource_Pdo_Gzip extends Smarty_CacheResource_Pdo
+{
+
+    /* 
+     * Encodes the content before saving to database 
+     * 
+     * @param string $content 
+     * @return string $content 
+     * @access protected 
+     */
+    protected function inputContent($content)
+    {
+        return gzdeflate($content);
+    }
+
+    /* 
+     * Decodes the content before saving to database 
+     * 
+     * @param string $content 
+     * @return string $content 
+     * @access protected 
+     */
+    protected function outputContent($content)
+    {
+        return gzinflate($content);
+    }
+} 
+