Online PHP editor | refs for 6cSo8

<?php $tz = new DateTimeZone('America/Los_Angeles'); $now = new DateTime('03 Nov 2014'); $twoDaysAgo1 = $now->sub(new DateInterval('P2D')); $twoDaysAgo2 = $now->sub(new DateInterval('PT172800S')); $twoDaysAgo3 = new DateTime('@' . ($now->getTimestamp() - 172800)); var_dump($twoDaysAgo1->getTimestamp()); var_dump($twoDaysAgo2->getTimestamp()); var_dump($twoDaysAgo3->getTimestamp());