Load files and classes as lazy collections in Laravel.

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v0.5.0 2024-03-13 12:08 UTC

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Last update: 2024-07-13 12:57:33 UTC


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Load files and classes as lazy collections in Laravel.


composer require lorisleiva/lody


Lody enables you to fetch all existing PHP classes of a provided path (or array of paths) that are relative to your application's base path. It returns a custom LazyCollection with helpful methods so that you can filter classes even further based on your own requirement. For example, the code below will fetch all non-abstract instances of Node within the given path recursively and register each of them.

use Lorisleiva\Lody\Lody;

    ->each(fn (string $classname) => $this->register($classname));

If you want all files instead of existing PHP classes, you may use Lody::files instead.

use Lorisleiva\Lody\Lody;

    ->each(fn (SplFileInfo $file) => $this->register($file));


Resolving paths

When providing paths to the Lody::files or Lody::classes methods, Lody will automatically assume these paths are within the root of your application unless they start with a slash in which case they are left untouched.

You may configure this logic by calling the Lody::resolvePathUsing method on one of your service providers. The example below provides the default logic.

Lody::resolvePathUsing(function (string $path) {
    return Str::startsWith($path, DIRECTORY_SEPARATOR) ? $path : base_path($path);

Resolving classnames

When using the Lody::classes method, Lody will transform your filenames into classnames by following PSR-4 conventions. For example, if your filename is app/Models/User.php and you have mapped the App namespace to the app directory in your composer.json file, the it will be resolved to App\Models\User.

By default, the classname resolution takes into account every single PSR-4 mapping as defined in your vendor/composer/autoload_psr4.php file. This means, it will even resolves classes that live in your vendor directory properly.

If your PSR-4 autoload file is located elsewhere, you may configure it by calling the Lody::setAutoloadPath method on one of your service providers.


Alternatively, you may override this logic entirely by calling the Lody::resolveClassnameUsing method. The example below provides a useful example for Laravel applications.

Lody::resolveClassnameUsing(function (SplFileInfo $file) {
    $classnameFromAppPath = str_replace(
        ['/', '.php'],
        ['\\', ''],
        Str::after($file->getRealPath(), realpath(app_path()).DIRECTORY_SEPARATOR)

    return app()->getNamespace() . $classnameFromAppPath;

Using Lody without Laravel

Lody works out of the box with Laravel because we can use the base_path method to access the root of your project.

However, if you wish to use Lody without Laravel, you may simply provide the base path of your application explicitely using the Lody::setBasePath method.

// Assuming this is executed at the root of your project.



// All return an instance of FileLazyCollection (see below).
Lody::files(['app/Auth/Actions', 'app/Billing/Actions']);
Lody::files('app/Actions', recursive: false); // Non-recursively.
Lody::files('app/Actions', hidden: true); // Includes dot files.
Lody::filesFromFinder(Finder::create()->files()->in(app_path('Actions'))->depth(1)); // With custom finder.

// All return an instance of ClassnameLazyCollection (see below).
Lody::classes(['app/Auth/Actions', 'app/Billing/Actions']);
Lody::classes('app/Actions', recursive: false); // Non-recursively.
Lody::classesFromFinder(Finder::create()->files()->in(app_path('Actions'))->depth(1)); // With custom finder.

// Registering custom resolvers.
Lody::resolvePathUsing(fn(string $path) => ...);
Lody::resolveClassnameUsing(fn(SplFileInfo $file) => ...);


// Transforms files into classnames and returns a `ClassnameLazyCollection`.
// Note that these can still be invalid classes. See `classExists` below.


// The `classExists` rejects all classnames that do not reference a valid PHP class.

// Note that this is equivalent to the line above.

// Filter abstract classes.

// Filter classes based on inheritance.

// Filter classes based on traits.
Lody::classes('...')->hasTrait(SomeTrait::class, recursive: false); // Don't include recursive traits.
Lody::classes('...')->doesNotHaveTrait(SomeTrait::class, recursive: false); // Don't include recursive traits.

// Filter classes based on method it contains or not.
Lody::classes('...')->hasStaticMethod('someMethod'); // Ensures the method is static.
Lody::classes('...')->hasNonStaticMethod('someMethod'); // Ensures the method is non-static.