Config Function like laravel

config.php

function config($key, $default =null) {
    $file = strtok($key,'.');
    $folderPath = __DIR__ . '\\..\\..\\config\\'.$file.'.php';
    $value = $default;
    try {
        $value = require($folderPath);
        $keys = strtok('.');
    } catch (\Exception $e) {
        return $default;
    }
    if(!empty($file)) {
        while($keys!==false) {
            
            if(!isset($value[$keys])) {
                return $default;
            } else {
                $value = $value[$keys];
            }
            $keys = strtok('.');
        }
        unset($file,$folderPath);
        return $value;
    } else {
        return $default;
    }
    
}