3v4l.org

run code in 300+ PHP versions simultaneously
<?php function lastWeekDay ($mnt) { $result = strtotime("last day of $mnt"); $day = date('D', $result); if ('Sun' === $day) { $result -= 86400 * 2; } if ('Sat' === $day) { $result -= 86400; } return $result; } echo date('m', '02');

preferences:
33.8 ms | 402 KiB | 5 Q