/**
* Play back the full stack of template variables to assign them into the template
*/
protected function play_var_stack()
{
if (!$this->added_template_vars) {
$this->add_template_vars();
}
$this->template_engine->clear();
$stack = call_user_func_array('array_merge', $this->var_stack);
foreach ($stack as $key => $value) {
$this->template_engine->assign($key, $value);
}
}
