A simple twig extension that adds a to_array filter. It will convert an object to array so that you can iterate over it's properties

services.yml

# src/YourApp/Bundle/YourBundle/Resources/config/services.yml

services:
    core.twig.to_array_extension:
        class: Appcito\Bundle\CoreBundle\Twig\ToArrayExtension
        tags:
            - { name: twig.extension }

ToArrayExtension.php

<?php
// src/YourApp/Bundle/YourBundle/Twig/ToArrayExtension.php

namespace Appcito\Bundle\CoreBundle\Twig;

/**
* A simple twig extension that adds a to_array filter
* It will convert an object to array so that you can iterate over it's properties 
*/
class ToArrayExtension extends \Twig_Extension
{
    public function getFilters()
    {
        return array(
            new \Twig_SimpleFilter('to_array', array($this, 'to_array')),
        );
    }

    public function to_array($object)
    {
        return get_object_vars($object);
    }

    public function getName()
    {
        return 'to_array_extension';
    }
}