/usr/share/doc/smarty3/demo/plugins/resource.mysql.php is in smarty3 3.1.13-1.
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/**
* MySQL Resource
*
* Resource Implementation based on the Custom API to use
* MySQL as the storage resource for Smarty's templates and configs.
*
* 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_Mysql extends Smarty_Resource_Custom {
// PDO instance
protected $db;
// prepared fetch() statement
protected $fetch;
// prepared fetchTimestamp() statement
protected $mtime;
public function __construct() {
try {
$this->db = new PDO("mysql:dbname=test;host=127.0.0.1", "smarty", "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');
$this->mtime = $this->db->prepare('SELECT modified 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;
}
}
/**
* Fetch a template's modification time from database
*
* @note implementing this method is optional. Only implement it if modification times can be accessed faster than loading the comple template source.
* @param string $name template name
* @return integer timestamp (epoch) the template was modified
*/
protected function fetchTimestamp($name) {
$this->mtime->execute(array('name' => $name));
$mtime = $this->mtime->fetchColumn();
$this->mtime->closeCursor();
return strtotime($mtime);
}
}
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