What are invokable controllers

There are times when as a laravel developer you need to create a controller without CRUD functionalities that being no seven resourceful methods, like index(), create(), store() etc.

This means you just need a controller that performs one action, Well good news laravel comes with a method for this thus _invoke method. Since Laravel 5.6.28, you can create a Controller with only one method __invoke():

namespace App\Http\Controllers;

use App\Models\Product;
use App\Http\Controllers\Controller;

class ProductController extends Controller
{
    /**
     * Show the Product.
     *
     * @param  int  $id
     * @return Response
     */
    public function __invoke($id)
    {
        return view('products.product', ['product' => Product::findOrFail($id)]);
    }
}

As you can see, you can also pass a parameter to id.

To call that method+Controller, in your routes/web.php you should have this:

Route::get(product/{id}’, ‘ProductController’);

You can also generate this kind of Controller, with this Artisan command:

php artisan make:controller ProductController — invokable

summary

If a controller in Laravel has just one action then you simplify the controller by using the invoke() method.

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