Online PHP editor | refs for CB1D2

@ 2018-11-19T14:10:53Z

<?php
    $a = new DateInterval('PT1S');
    $b = DateTime::createFromFormat('Y-m-d H:i:s.v', '2000-1-1 10:10:10.250');
    $a->f = 0.5;
    $b->sub($a);
    print_r($b->format('Y-m-d H:i:s.v'));