Tale Jade custom renderer with Twig-like getters/setters

CustomRenderer.php

<?php


class ViewBag
{

    private $subject;

    public function __construct($subject)
    {

        $this->subject = $subject;
    }

    public function __get($key)
    {


        $result = null;

        //Array access
        if (is_array($this->subject)) {

            $result = $this->subject[$key];
        } else if (is_object($this->subject)) { //Method and property access

            if (property_exists($this->subject, $key)) {

                $result = $this->subject->{$key};
            } else {

                foreach (['get', 'is'] as $prefix) {

                    $method = $prefix.ucfirst($key);

                    if (method_exists($this->subject, $method)) {

                        $result = $this->subject->{$method}();
                        break;
                    }
                }
            }
        }

        if (is_array($result) || is_object($result))
            return new static($result);

        return $result;
    }
}

class CustomRenderer extends Tale\Jade\Renderer
{
    
    public function render($path, array $args = null)
    {

        return parent::render($path, $args ? new ViewBag($args) : null);
    }
}