smarty, send to file date

I have in a PHP file this arr开发者_开发问答ay:

array(1, 2, 3);

How can I send this array to a Smarty .tpl?

$smartyobject->assign("varname", array(1, 2, 3));

after this, you can access it as {$varname} (or whatever you set your delimiters to)