CODE:

setCacheDir("./cache/");
$smarty->setCompileDir("./templates_c/");
$smarty->setTemplateDir("./templates/");
$smarty->setConfigDir("./configs/");


// データベースに接続
try{
	$dbh = new PDO(DSN, DB_USER,DB_PASSWORD);
	$dbh->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
	$dbh->setAttribute(PDO::MYSQL_ATTR_USE_BUFFERED_QUERY, true);

}catch(PDOException $e){
	echo $e->getMessage();
	exit;
}

$result = $dbh->prepare("SELECT * FROM `update` ORDER BY id DESC");
$result->execute();
$result->setFetchMode(PDO::FETCH_LAZY);

$smarty->assign('result', $result);

$smarty->display('index.tpl');