3v4l.org

run code in 300+ PHP versions simultaneously
<?php $ar = [1 => 4, 2=>1, 5=>3, 3=>2, 2=>7]; print_r($ar); echo max($ar);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 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 ( [1] => 4 [2] => 7 [5] => 3 [3] => 2 ) 7
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 ( [1] => 4 [2] => 7 [5] => 3 [3] => 2 ) 7
preferences:
179.93 ms | 402 KiB | 219 Q