3v4l.org

run code in 300+ PHP versions simultaneously
<?php $filenames = ["10", "1", "100", "1000", "20", "200", "2"]; usort($filenames, function($a, $b) { return $b <=> $a; }); var_export($filenames);
Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
array ( 0 => '1000', 1 => '200', 2 => '100', 3 => '20', 4 => '10', 5 => '2', 6 => '1', )

preferences:
104.87 ms | 407 KiB | 5 Q