Twig Chunk Extension

ChunkExtension.php

<?php

namespace Acme\DemoBundle\Twig;

use Twig_Extension;
use Twig_Filter_Method;

class ChunkExtension extends \Twig_Extension
{
    public function getFilters()
    {
        return array(
            'chunk'  => new Twig_Filter_Method($this, 'chunk'),
        );
    }

    /**
     * @param array $input
     * @param int $size
     *
     * @return mixed
     */
    function chunk($input, $size)
    {
        return array_chunk($input->toArray(), $size);
    }

    /**
     * Returns the name of the extension.
     *
     * @return string The extension name
     */
    public function getName()
    {
        return 'chunk';
    }
}

services.yml

services:
    acme.twig.chunk_extension:
        class: Acme\DemoBundle\Twig\ChunkExtension
        tags:
        -  { name: twig.extension }

Thank you :)

Just found out that as of Twig 1.12.3 this can be done using the batch filter.

http://twig.sensiolabs.org/doc/filters/batch.html