3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = [ 5, '5B1', 4, '4B1', 3, '3B1', 2, '2B1', 1, '1B1', ]; rsort($data); var_dump($data);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(10) { [0]=> string(3) "5B1" [1]=> int(5) [2]=> string(3) "4B1" [3]=> int(4) [4]=> string(3) "3B1" [5]=> int(3) [6]=> string(3) "2B1" [7]=> int(2) [8]=> string(3) "1B1" [9]=> int(1) }
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
array(10) { [0]=> int(5) [1]=> string(3) "5B1" [2]=> int(4) [3]=> string(3) "4B1" [4]=> int(3) [5]=> string(3) "3B1" [6]=> int(2) [7]=> string(3) "2B1" [8]=> int(1) [9]=> string(3) "1B1" }
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
array(10) { [0]=> int(5) [1]=> string(3) "5B1" [2]=> string(3) "4B1" [3]=> int(4) [4]=> string(3) "3B1" [5]=> int(3) [6]=> int(2) [7]=> string(3) "2B1" [8]=> string(3) "1B1" [9]=> int(1) }

preferences:
237.37 ms | 402 KiB | 330 Q