Online PHP editor | refs for aNejW

<?php $_ENV = [ 'ZASIS_UI_BACKGROUNDCOLOR' => '#FFF1EC', 'ZASIS_UI_INFOPANEL_ENABLE' => '1', 'ZASIS_UI_INFOPANEL_TEXT' => 'DEBUG IS ON', 'ZASIS_UI_INFOPANEL_BACKGROUNDCOLOR' => '#F44', ]; $arr = [ 'ui' => [ 'backgroundColor' => 'ZASIS_UI_BACKGROUNDCOLOR', 'infoPanel' => [ 'enable' => 'ZASIS_UI_INFOPANEL_ENABLE', 'text' => 'ZASIS_UI_INFOPANEL_TEXT', 'fontColor' => 'ZASIS_UI_INFOPANEL_FONTCOLOR', 'backgroundColor' => 'ZASIS_UI_INFOPANEL_BACKGROUNDCOLOR', ] ] ]; function loadEnv(&$data): void { if (is_array($data)) { foreach ($data as $key => &$value) { try { loadEnv($value); } catch (\InvalidArgumentException $e) { unset($data[$key]); } } } elseif (array_key_exists($data, $_ENV)) { $data = $_ENV[$data]; } else { throw new \InvalidArgumentException(); } } loadEnv($arr); print_r($arr);