Online PHP editor | output for uaeg6

<?php $intervals = array( '0' => 0, '86400' => 86400, '0 second' => 0, '1 second' => 1, '1 minute' => 60, '1 hour' => 60 * 60, '1 day' => 60 * 60 * 24, '1 month' => 31 * 60 * 60 * 24 '1 year' => 60 * 60 * 24 * 365, '10 years' => 60 * 60 * 24 * 365 * 10, '1 day + 12hours' => 60 * 60 * 24 + 12 * 60 * 60, ); foreach ($intervals as $interval => $expected) { if (is_numeric($interval)) { $found = (int) $interval; } else { $zeroDate = new \DateTime(); // can't use @0, it will add 3600 seconds to final output on php 5.3.9 - 5.4.7 $zeroDate->setTimestamp(0); $zeroDate->add(\DateInterval::createFromDateString($interval)); $found = $zeroDate->getTimestamp(); } echo sprintf("found %s expected %s\n", $found, $expected); }