A simple way to write new Laravel config file dynamically | More info at https://simplestweb.in

newConfig.php

<?php

$rawSettings = json_decode($request->get('settings'), true);
if ($rawSettings == null) abort(500);

config(['settings' => $rawSettings]);

$text = '<?php return ' . var_export(config('settings'), true) . ';';
file_put_contents(config_path('settings.php'), $text);