Online PHP editor | refs for C90rl

<?php echo date_default_timezone_get() . PHP_EOL; date_default_timezone_set('UTC'); $date1 = new DateTime("@1442862000"); var_dump($date1->getTimestamp()); //prints: 1442862000 echo $date1->format(DATE_RFC822 . " e T O"), "\n"; $date1->setTimezone(new DateTimeZone("Asia/Tehran")); var_dump($date1->getTimestamp()); //prints: 1442865600 echo $date1->format(DATE_RFC822 . " e T O"), "\n"; $next = 1442862000 + 60 * 60; $date1 = new DateTime("@$next"); var_dump($date1->getTimestamp()); //prints: 1442862000 echo $date1->format(DATE_RFC822 . " e T O"), "\n"; $date1->setTimezone(new DateTimeZone("Asia/Tehran")); var_dump($date1->getTimestamp()); //prints: 1442865600 echo $date1->format(DATE_RFC822 . " e T O"), "\n";