assign_to_var example

    public function to_smarty_php()
    {
        $code = '';
        foreach ($this->subtrees as $subtree) {
            if ($code !== "") {
                $code .= ".";
            }
            if ($subtree instanceof _smarty_tag) {
                $more_php = $subtree->assign_to_var();
            } else {
                $more_php = $subtree->to_smarty_php();
            }

            $code .= $more_php;

            if (!$subtree instanceof _smarty_dq_content) {
                $this->parser->compiler->has_variable_string = true;
            }
        }
        return $code;
    }