<?php
function rcr(array $ids): array
{
$array = [];
foreach ($ids as $id) {
$array[$id] = rcr(getSubIds($id));
}
return $array;
}
function getSubIds(int $id): array
{
switch ($id) {
case 2: return [5, 108];
case 5: return [7];
case 7: return [46];
case 8: return [72];
default: return [];
}
}
print_r(rcr([2, 14, 8]));
- Output for 7.2.0 - 7.2.26, 7.3.0 - 7.3.13, 7.4.0 - 7.4.1, 8.1.23 - 8.1.28, 8.2.2 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
- Array
(
[2] => Array
(
[5] => Array
(
[7] => Array
(
[46] => Array
(
)
)
)
[108] => Array
(
)
)
[14] => Array
(
)
[8] => Array
(
[72] => Array
(
)
)
)
- 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
(
[2] => Array
(
[5] => Array
(
[7] => Array
(
[46] => Array
(
)
)
)
[108] => Array
(
)
)
[14] => Array
(
)
[8] => Array
(
[72] => Array
(
)
)
)
preferences:
103.95 ms | 403 KiB | 72 Q