3v4l.org

run code in 300+ PHP versions simultaneously
<?php $nested_array = array(); $temp = &$nested_array; $item = 'brachA-branchB-branchC'; foreach (explode('-', $item) as $key => $value) { $temp = &$temp[$value]; } print_r($nested_array);
Output for 7.0.0 - 7.0.24, 7.1.0 - 7.1.33, 7.2.6 - 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 ( [brachA] => Array ( [branchB] => Array ( [branchC] => ) ) )
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 ( [brachA] => Array ( [branchB] => Array ( [branchC] => ) ) )
preferences:
189.63 ms | 402 KiB | 208 Q