3v4l.org

run code in 300+ PHP versions simultaneously
<?php $counter = 0; $arr1 = array ('foo', 'bar', 'baz'); $arr2 = array ('foo'=>'1', 'bar'=>'2', 'baz'=>'3'); array_walk($arr1, function ($name, $key, $arr2 ) { global $counter; if ($name == 'foo'){ echo "Bingo!".$arr2 ['foo']; $counter++; } }, $arr2);
Output for 5.6.0 - 5.6.40, 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, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
Bingo!1
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 Bingo!1
preferences:
196.69 ms | 402 KiB | 289 Q