Event dispatching in Laravel - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to dispatch an event named UserRegistered.

Laravel

event(new [1]());

Drag options to blanks, or click blank then click option'

AUserUpdated

BUserCreated

CUserRegistered

DUserLogin

Attempts:

3 left

💡 Hint

Common Mistakes

Using an event class name that does not exist.

Forgetting to use the new keyword before the event class.

The event() helper dispatches the event instance. Here, UserRegistered is the correct event class to dispatch.

2fill in blank

medium

Complete the code to listen for the UserRegistered event in the EventServiceProvider.

Laravel

'UserRegistered' => [[1]::class],

Drag options to blanks, or click blank then click option'

ALogUserLogin

BSendWelcomeEmail

CUpdateUserStats

DNotifyAdmin

Attempts:

3 left

💡 Hint

Common Mistakes

Using a listener that does not relate to the event.

Forgetting to add ::class after the listener name.

Listeners handle events. SendWelcomeEmail is a typical listener for UserRegistered event.

3fill in blank

hard

Fix the error in dispatching the event using the Event facade.

Laravel

Event::[1](new UserRegistered($user));

Drag options to blanks, or click blank then click option'

Adispatch

Bsend

Cfire

Dtrigger

Attempts:

3 left

💡 Hint

Common Mistakes

Using deprecated or incorrect method names like fire.

Confusing event dispatching with other actions.

The correct method to dispatch an event using the Event facade is dispatch.

4fill in blank

hard

Fill both blanks to create an event listener class that handles UserRegistered event.

Laravel

public function handle([1] $event)
{
    [2];
}

Drag options to blanks, or click blank then click option'

AUserRegistered

B$event->user->sendWelcomeEmail()

C$event->sendNotification()

DUserLogin

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong event class in the handle method parameter.

Calling a method that does not exist on the event object.

The handle method receives the event instance, here UserRegistered. Inside, it calls a method on the user to send a welcome email.

5fill in blank

hard

Fill all three blanks to dispatch a queued event with delay.

Laravel

UserRegistered::[1]()->delay(now()->addMinutes([2]))->[3]();

Drag options to blanks, or click blank then click option'

Adispatch

B10

CdispatchSync

DdispatchAfterResponse

Attempts:

3 left

💡 Hint

Common Mistakes

Using synchronous dispatch when queuing is intended.

Forgetting to specify delay time as a number.

Confusing dispatch methods.

Use dispatch to queue the event, set delay with delay(), and dispatchAfterResponse to dispatch after HTTP response.