<?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);

    }

}