5 * Resource Implementation based on the Custom API to use
6 * MySQL as the storage resource for Smarty's templates and configs.
8 * <pre>CREATE TABLE IF NOT EXISTS `templates` (
9 * `name` varchar(100) NOT NULL,
10 * `modified` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
12 * PRIMARY KEY (`name`)
13 * ) ENGINE=InnoDB DEFAULT CHARSET=utf8;</pre>
15 * <pre>INSERT INTO `templates` (`name`, `modified`, `source`) VALUES ('test.tpl', "2010-12-25 22:00:00", '{$x="hello world"}{$x}');</pre>
17 * @package Resource-examples
20 class Smarty_Resource_Mysql extends Smarty_Resource_Custom
24 // prepared fetch() statement
26 // prepared fetchTimestamp() statement
29 public function __construct()
32 $this->db = new PDO("mysql:dbname=test;host=127.0.0.1", "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 $mtime template modification timestamp (epoch)
50 protected function fetch($name, &$source, &$mtime)
52 $this->fetch->execute(array('name' => $name));
53 $row = $this->fetch->fetch();
54 $this->fetch->closeCursor();
56 $source = $row['source'];
57 $mtime = strtotime($row['modified']);
65 * Fetch a template's modification time from database
67 * @note implementing this method is optional. Only implement it if modification times can be accessed faster than loading the comple template source.
69 * @param string $name template name
71 * @return integer timestamp (epoch) the template was modified
73 protected function fetchTimestamp($name)
75 $this->mtime->execute(array('name' => $name));
76 $mtime = $this->mtime->fetchColumn();
77 $this->mtime->closeCursor();
79 return strtotime($mtime);