use Typomedia\Flatfile\Flatfile;

$data = [
    'Moretti' => [
        'name' => 'Style Ale',
        'style' => 'European Amber Lager',
        'alcohol' => '9.1%'
    ]
];

$flatfile = new Flatfile('test.json');
$key = md5(serialize($data));

$flatfile->set((object)$data, $key);
$flatfile->get($key);
$flatfile->first();
$flatfile->last();
$flatfile->keys();
$flatfile->find('name', 'Style Ale');
$flatfile->delete($key);