Online PHP editor | refs for UGuFv

<?php ini_set('serialize_precision', 8); $expected = '1487285080.123456'; $date = DateTimeImmutable::createFromFormat('U.u', $expected); var_dump($expected, json_encode((float) $date->format('U.u'))); ini_set('serialize_precision', 16); $expected = '1487285080.123456'; $date = DateTimeImmutable::createFromFormat('U.u', $expected); var_dump($expected, json_encode((float) $date->format('U.u')));