- var_dump: documentation ( source)
<?php
$date = new DateTimeImmutable('2019-11-01T12:12:40.8859136+00:00');
var_dump($date);
$date = DateTimeImmutable::createFromFormat(DateTimeInterface::RFC3339_EXTENDED, '2019-11-01T12:12:40.885913+00:00');
var_dump($date);