In this section we will see how fix laravel 9 code and clean and PHP-CS-Fixer style. We can use Laravel Pint package to fix our code style stays clean and consistent. Laravel Pint is an opinionated PHP code style fixer for minimalists. Pint is built on top of PHP-CS-Fixer and makes it simple to ensure that your code style stays clean and consistent.

Requirement

PHP 8.0+
Laravel 9

Install pint you laravel 9 project

composer require laravel/pint --dev

Once Pint has been installed, the pint binary will be available in your project's vendor/bin directory:

Before run pint

public function index()
{
    $categories = Category::latest()->paginate(10);
    return view('category.index', compact('categories'));
}

After run ./vendor/bin/pint

./vendor/bin/pint

After run pint

public function index()
{
    $categories = Category::latest()->paginate(10);

    return view('category.index', compact('categories'));
}

laravel Running Pint
When running Pint, it will output a list of files that have been fixed. It is possible to see the changes made in more detail using the -v option:

./vendor/bin/pint -v

In addition, if you would like Pint to simply inspect your code for style errors without actually changing the files, you may use the --test option:

./vendor/bin/pint --test

For details vist https://github.com/laravel/pint