* Name:     eval
 * Purpose:  evaluate a template variable as a template
 * @link http://smarty.php.net/manual/en/language.function.eval.php {eval}
 *       (Smarty online manual)
 * @author Monte Ohrt 
 * @param array
 * @param Smarty
 */
function smarty_function_eval($params, &$smarty)
{
    if (!isset($params['var'])) {
        $smarty->trigger_error("eval: missing 'var' parameter");
        return;
    }
    if($params['var'] == '') {
        return;
    }
    $smarty->_compile_source('evaluated template', $params['var'], $_var_compiled);
    ob_start();
    $smarty->_eval('?>' . $_var_compiled);
    $_contents = ob_get_contents();
    ob_end_clean();
    if (!empty($params['assign'])) {
        $smarty->assign($params['assign'], $_contents);
    } else {
        return $_contents;
    }
}
/* vim: set expandtab: */
?>