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<?php $dt1 = new DateTime('@1.1'); $dt2 = new DateTime('@-1.1'); var_dump($dt1, $dt1->getTimestamp()); var_dump($dt2, $dt2->getTimestamp());
Output for 8.1.32, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.14
object(DateTime)#1 (3) { ["date"]=> string(26) "1970-01-01 00:00:01.100000" ["timezone_type"]=> int(1) ["timezone"]=> string(6) "+00:00" } int(1) object(DateTime)#2 (3) { ["date"]=> string(26) "1969-12-31 23:59:58.900000" ["timezone_type"]=> int(1) ["timezone"]=> string(6) "+00:00" } int(-2)
preferences:
56.4 ms | 407 KiB | 5 Q