6 * Resource Implementation based on the Custom API to use
7 * MySQL as the storage resource for Smarty's templates and configs.
10 * <pre>CREATE TABLE IF NOT EXISTS `templates` (
11 * `name` varchar(100) NOT NULL,
12 * `modified` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
14 * PRIMARY KEY (`name`)
15 * ) ENGINE=InnoDB DEFAULT CHARSET=utf8;</pre>
18 * <pre>INSERT INTO `templates` (`name`, `modified`, `source`) VALUES ('test.tpl', "2010-12-25 22:00:00", '{$x="hello world"}{$x}');</pre>
20 * @package Resource-examples
23 class Smarty_Resource_Mysql extends Smarty_Resource_Custom {
26 // prepared fetch() statement
28 // prepared fetchTimestamp() statement
31 public function __construct() {
33 $this->db = new PDO("mysql:dbname=test;host=127.0.0.1", "smarty", "smarty");
34 } catch (PDOException $e) {
35 throw new SmartyException('Mysql Resource failed: ' . $e->getMessage());
37 $this->fetch = $this->db->prepare('SELECT modified, source FROM templates WHERE name = :name');
38 $this->mtime = $this->db->prepare('SELECT modified FROM templates WHERE name = :name');
42 * Fetch a template and its modification time from database
44 * @param string $name template name
45 * @param string $source template source
46 * @param integer $mtime template modification timestamp (epoch)
49 protected function fetch($name, &$source, &$mtime)
51 $this->fetch->execute(array('name' => $name));
52 $row = $this->fetch->fetch();
53 $this->fetch->closeCursor();
55 $source = $row['source'];
56 $mtime = strtotime($row['modified']);
64 * Fetch a template's modification time from database
66 * @note implementing this method is optional. Only implement it if modification times can be accessed faster than loading the comple template source.
67 * @param string $name template name
68 * @return integer timestamp (epoch) the template was modified
70 protected function fetchTimestamp($name) {
71 $this->mtime->execute(array('name' => $name));
72 $mtime = $this->mtime->fetchColumn();
73 $this->mtime->closeCursor();
74 return strtotime($mtime);