laravel:interfaces-and-di

Use interfaces and dependency injection to decouple code; bind implementations in the container

jpcaparas/superpowers-laravel95 installsMITSynced Aug 26

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---
name: laravel:interfaces-and-di
description: Use interfaces and dependency injection to decouple code; bind implementations in the container
license: MIT
---

# Interfaces and Dependency Injection

Define narrow interfaces and inject them where needed. Bind concrete implementations in a service provider.

```php
interface Slugger { public function slug(string $s): string; }

final class AsciiSlugger implements Slugger {
  public function slug(string $s): string { /* ... */ }
}

$this->app->bind(Slugger::class, AsciiSlugger::class);
```

Benefits: easier testing (mock interfaces), clearer contracts, swap implementations without touching consumers.

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