PHP

display date time twig

// date
{{ post.published_at|date("m/d/Y") }}

// date time
{{ post.published_at|date('Y-m-d H:i:s') }}

twig format datetime

{# 23:39 #}
{{ '2019-08-07 23:39:12'|format_datetime('none', 'short', locale='fr') }}

{# 07/08/2019 #}
{{ '2019-08-07 23:39:12'|format_datetime('short', 'none', locale='fr') }}

{# mercredi 7 août 2019 23:39:12 UTC #}
{{ '2019-08-07 23:39:12'|format_datetime('full', 'full', locale='fr') }}

twig date

{{ post.published_at|date("F jS a	 g:ia") }}

twig is datetime

//
// Just create simple custom function to determine the class name
// and check is equal  to DateTime
//

namespace AppBundleTwig;

use Twig_Extension;
use Twig_SimpleFunction;

class HelperExtension extends Twig_Extension
{
    public function getFunctions()
    {
        return array(
            new Twig_SimpleFunction('class', array($this, 'getClassName')),
        );
    }

    public function getClassName($object)
    {
        if (!is_object($object)) {
            return null;
        }
        return get_class($object);
    }
}