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Lifecycle Hooks

A lifecycle hook for a service provider is a method that is automatically called by an application at a specific stage of its life cycle, allowing the provider to perform work at the appropriate time. Lifecycle hooks help ensure that initialization logic occurs in the correct order, preventing situations where code attempts to use services before they are available and allowing applications to maintain a predictable and organized startup sequence.

There are two separate lifecycle hooks that are available on the container instance:

  • beforeResolving()
  • afterResolving()

When using lifecycle hooks in a service provider we will call them using the available container instance from within the service providers' register() method.

use App\Services\Message as MessageService;

public register function(): void
{
    // first we bind the service(s) to the container
    $this->bind(MessageService::class, fn() => new MessageService());
    
    // now we can interact with the lifecycle hooks
    $this->beforeResolving(MessageService::class, fn() => 'Do Something ...')
    $this->afterResolving(MessageService::class, fn() => 'Do Something Else ...')
}