102 lines
2.8 KiB
PHP
102 lines
2.8 KiB
PHP
|
<?php
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 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
|
||
|
|
*
|
||
|
|
* @var \PDO
|
||
|
|
*/
|
||
|
|
protected $db;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* prepared fetch() statement
|
||
|
|
*
|
||
|
|
* @var \PDOStatement
|
||
|
|
*/
|
||
|
|
protected $fetch;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* prepared fetchTimestamp() statement
|
||
|
|
*
|
||
|
|
* @var \PDOStatement
|
||
|
|
*/
|
||
|
|
protected $mtime;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Smarty_Resource_Mysql constructor.
|
||
|
|
*
|
||
|
|
* @throws \SmartyException
|
||
|
|
*/
|
||
|
|
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');
|
||
|
|
$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);
|
||
|
|
}
|
||
|
|
}
|