3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo mktime(0, 0, 0, date("m") , date("d")+1, date("Y")); echo mktime(0, 0, 0, date("m")-1, date("d"), date("Y")); echo mktime(0, 0, 0, date("m"), date("d"), date("Y")+1);

preferences:
35.09 ms | 402 KiB | 5 Q