### Install Firebase for Laravel

Source: https://github.com/kreait/laravel-firebase/blob/main/README.md

Installs the Firebase for Laravel package using Composer.

```bash
composer require kreait/laravel-firebase
```

--------------------------------

### Publish Firebase Configuration

Source: https://github.com/kreait/laravel-firebase/blob/main/README.md

Publishes the Firebase configuration file to the Laravel config directory.

```bash
php artisan vendor:publish --provider="Kreait\Laravel\Firebase\ServiceProvider" --tag=config
```

--------------------------------

### Accessing Firebase Components for Specific Projects

Source: https://github.com/kreait/laravel-firebase/blob/main/README.md

Demonstrates how to retrieve instances of Firebase components (like Auth) for the default project and explicitly for named projects using the Firebase facade.

```php
use Kreait\Laravel\Firebase\Facades\Firebase;

// Return an instance of the Auth component for the default Firebase project
$defaultAuth = Firebase::auth();
// Return an instance of the Auth component for a specific Firebase project
$appAuth = Firebase::project('app')->auth();
$anotherAppAuth = Firebase::project('another-app')->auth();
```

--------------------------------

### Firebase Credentials with JSON File

Source: https://github.com/kreait/laravel-firebase/blob/main/README.md

Configures Firebase credentials by specifying the path to the service account JSON file in the .env file.

```env
FIREBASE_CREDENTIALS=storage/app/firebase-auth.json
```

--------------------------------

### Configure Firebase Database URL

Source: https://github.com/kreait/laravel-firebase/blob/main/README.md

Sets the Firebase database URL in the .env file for package configuration.

```env
FIREBASE_DATABASE_URL=https://<your-project>.firebaseio.com
```

--------------------------------

### Firebase Credentials with Array Configuration

Source: https://github.com/kreait/laravel-firebase/blob/main/README.md

Provides Firebase service account credentials as an array in the Laravel configuration file.

```php
'credentials' => [
    'type' => 'service_account',
    'project_id' => 'some-project-123',
    'private_key_id' => '123456789',
    'private_key' => '-----BEGIN PRIVATE KEY-----\nFOO_BAR_123456789\n-----END PRIVATE KEY-----\n',
    'client_email' => 'firebase-adminsdk-cwiuo@some-project-123.iam.gserviceaccount.com',
    'client_id' => '123456789',
    'auth_uri' => 'https://accounts.google.com/o/oauth2/auth',
    'token_uri' => 'https://oauth2.googleapis.com/token',
    'auth_provider_x509_cert_url' => 'https://www.googleapis.com/oauth2/v1/certs',
    'client_x509_cert_url' => 'https://www.googleapis.com/robot/v1/metadata/x509/firebase-adminsdk-cwiuo%40some-project-123.iam.gserviceaccount.com',
    'universe_domain' => 'googleapis.com',
],
```

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