3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr1 = ["one","two","three",1,2,3]; $arr2 = ["two","four","five",2,4,5]; $result = array_merge($arr1, $arr2); print_r(array_unique($result));
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 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 ( [0] => one [1] => two [2] => three [3] => 1 [4] => 2 [5] => 3 [7] => four [8] => five [10] => 4 [11] => 5 )
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 ( [0] => one [1] => two [2] => three [3] => 1 [4] => 2 [5] => 3 [7] => four [8] => five [10] => 4 [11] => 5 )
preferences:
195.01 ms | 402 KiB | 228 Q