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<?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 - 8.1.33, 8.2.2 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
Array ( [2] => Array ( [5] => Array ( [7] => Array ( [46] => Array ( ) ) ) [108] => Array ( ) ) [14] => Array ( ) [8] => Array ( [72] => Array ( ) ) )
preferences:
85.55 ms | 408 KiB | 5 Q