DB

Description: Injects a database connection instance by name.

Namespace: Illuminate\Container\Attributes\DB

Added in: Laravel 11.20

Usage

use Illuminate\Support\Facades\DB;
use Illuminate\Database\Connection;

// Before (service provider):
$this->app->when(ReportService::class)
    ->needs(Connection::class)
    ->give(fn () => DB::connection('pgsql'));

use Illuminate\Container\Attributes\DB;
use Illuminate\Database\Connection;

// After:
class ReportService
{
    public function __construct(
        #[DB('pgsql')] private readonly Connection $db
    ) {}

    public function generateReport(): array
    {
        return $this->db->select('SELECT * FROM reports');
    }
}

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[!NOTE] The #[DB] currently just alias of #[Database].