<?php /** * MySQL Resource * Resource Implementation based on the Custom API to use * MySQL as the storage resource for Smarty's templates and configs. * Note that this MySQL implementation fetches the source and timestamps in * a single database query, instead of two separate like resource.mysql.php does. * Table definition: * <pre>CREATE TABLE IF NOT EXISTS `templates` ( * `name` varchar(100) NOT NULL, * `modified` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, * `source` text, * PRIMARY KEY (`name`) * ) ENGINE=InnoDB DEFAULT CHARSET=utf8;</pre> * Demo data: * <pre>INSERT INTO `templates` (`name`, `modified`, `source`) VALUES ('test.tpl', "2010-12-25 22:00:00", '{$x="hello world"}{$x}');</pre> * * @package Resource-examples * @author Rodney Rehm */ class Smarty_Resource_Mysqls extends Smarty_Resource_Custom { // PDO instance protected $db; // prepared fetch() statement protected $fetch; public function __construct() { try { $this->db = new PDO("mysql:dbname=test;host=127.0.0.1", "smarty"); } catch (PDOException $e) { throw new SmartyException('Mysql Resource failed: ' . $e->getMessage()); } $this->fetch = $this->db->prepare('SELECT modified, source FROM templates WHERE name = :name'); } /** * Fetch a template and its modification time from database * * @param string $name template name * @param string $source template source * @param integer $mtime template modification timestamp (epoch) * * @return void */ protected function fetch($name, &$source, &$mtime) { $this->fetch->execute(array('name' => $name)); $row = $this->fetch->fetch(); $this->fetch->closeCursor(); if ($row) { $source = $row['source']; $mtime = strtotime($row['modified']); } else { $source = null; $mtime = null; } } }