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Kernel

The Kernel class is the heart of the application's bootstrapping process. It initializes the environment, loads configurations, and prepares the application for handling requests.

Responsibilities

  • Container Initialization: Sets up the IoC Container (Core\Ioc\Container).
  • Bootstrapping: Runs the Bootstrapper to load environment variables (.env), helper functions, and autoloaders.
  • Error Handling: Registers the global error handler (Core\Services\ErrorHandler).
  • Service Providers: Registers and boots all configured service providers.
  • Configuration: Sets application-wide settings like timezone.

Usage

The Kernel is typically instantiated and booted in System/Core/init.php:

use Core\Kernel;
use Core\Ioc\Container;

$container = Container::getInstance();
$kernel = new Kernel($container, $basePath);
$kernel->boot();

Boot Process

  • Construct: Initializes the Container.
  • Boot:
    • Runs Bootstrapper::run()
    • Registers ErrorHandler
    • Internal Provider Registration: Registers core system providers (e.g., EventServiceProvider, DatabaseServiceProvider).
    • App Provider Registration: Registers providers from App/Config/providers.php.
    • Boots all registered providers.
    • Sets Timezone