3v4l.org

run code in 300+ PHP versions simultaneously
<?php $v = [ 'aaaa', 'bbbb', 'ccccccc', 'dddddddddd', 'eeeeeeee', 'ffffffffffff', 'gggg', 'hhhhhh', 'iiiiiiiiiii', 'lllllll', 'mmmmmmmmmmm', 'nnnnnnn', 'ooo', ]; usort($v, function($a, $b){ return mb_strlen($b) <=> mb_strlen($a); }); var_dump($v);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
array(13) { [0]=> string(12) "ffffffffffff" [1]=> string(11) "iiiiiiiiiii" [2]=> string(11) "mmmmmmmmmmm" [3]=> string(10) "dddddddddd" [4]=> string(8) "eeeeeeee" [5]=> string(7) "ccccccc" [6]=> string(7) "lllllll" [7]=> string(7) "nnnnnnn" [8]=> string(6) "hhhhhh" [9]=> string(4) "aaaa" [10]=> string(4) "bbbb" [11]=> string(4) "gggg" [12]=> string(3) "ooo" }
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 array(13) { [0]=> string(12) "ffffffffffff" [1]=> string(11) "iiiiiiiiiii" [2]=> string(11) "mmmmmmmmmmm" [3]=> string(10) "dddddddddd" [4]=> string(8) "eeeeeeee" [5]=> string(7) "ccccccc" [6]=> string(7) "lllllll" [7]=> string(7) "nnnnnnn" [8]=> string(6) "hhhhhh" [9]=> string(4) "aaaa" [10]=> string(4) "bbbb" [11]=> string(4) "gggg" [12]=> string(3) "ooo" }
Output for 5.5.0 - 5.5.35, 5.6.0 - 5.6.28
Parse error: syntax error, unexpected '>' in /in/da83s on line 20
Process exited with code 255.

preferences:
192.23 ms | 402 KiB | 229 Q