3v4l.org

run code in 500+ PHP versions simultaneously
<?php $array = [ '2022-06-30', '2022-04-20', '2021-04-07', '2022-09-09', '2022-03-08', '2021-08-07', '2022-10-12' ]; $today = '2022-06-02'; // date('Y-m-d'); usort($array, fn($a, $b) => ($a > $today && $b > $today ? -1 : 1) * ($a <=> $b)); var_export($array);
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.21, 8.5.0 - 8.5.7
array ( 0 => '2021-04-07', 1 => '2021-08-07', 2 => '2022-03-08', 3 => '2022-04-20', 4 => '2022-10-12', 5 => '2022-09-09', 6 => '2022-06-30', )
Output for 5.6.40
Parse error: syntax error, unexpected '=>' (T_DOUBLE_ARROW) in /in/GNZHh on line 15
Process exited with code 255.
preferences:
95.56 ms | 1280 KiB | 4 Q