<?php

namespace App\Features;

use Pixelworxio\Subscribd\Contracts\Feature;

class ExportsFeature implements Feature
{
    public function key(): string
    {
        return 'exports';
    }
}

use App\Features\ExportsFeature;
use App\Features\ProjectsFeature;
use Pixelworxio\Subscribd\Facades\Entitlements;

Entitlements::for($user)->allows(ExportsFeature::class);      // bool
Entitlements::for($user)->allows(new ExportsFeature());       // same

Entitlements::for($user)->limit(ProjectsFeature::class);      // int|null

<?php

namespace App\Features;

use Pixelworxio\Subscribd\Contracts\Feature;

class ProjectsFeature implements Feature
{
    public function key(): string
    {
        return 'projects';
    }

    public function default(): int
    {
        return 1; // free users get 1 project if no plan feature is defined
    }
}

app/
└── Features/
    ├── ExportsFeature.php
    ├── ProjectsFeature.php
    ├── ApiAccessFeature.php
    └── SupportTierFeature.php