Creating listeners in Laravel - Interactive Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to define a listener class in Laravel.

Laravel

class UserRegisteredListener {
    public function [1]($event) {
        // handle the event
    }
}

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

Alisten

Bhandle

Cfire

Dtrigger

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'listen' or 'fire' instead of 'handle' as the method name.

The handle method is the standard method Laravel calls when the event is fired.

2fill in blank

medium

Complete the code to register a listener for an event in Laravel's EventServiceProvider.

Laravel

protected $listen = [
    UserRegistered::class => [
        [1]::class,
    ],
];

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

AUserRegisteredListener

BUserRegisteredEvent

CUserRegisteredHandler

DUserRegisteredSubscriber

Attempts:

3 left

💡 Hint

Common Mistakes

Using the event class name instead of the listener class.

Using 'Subscriber' when the question is about listeners.

The listener class name should be listed here to handle the event.

3fill in blank

hard

Fix the error in the listener method signature to properly receive the event.

Laravel

public function handle([1] $event) {
    // process event
}

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

AUserRegistered

BUserRegisteredListener

CEvent

DListener

Attempts:

3 left

💡 Hint

Common Mistakes

Using the listener class as the parameter type.

Using a generic 'Event' class without importing it.

The listener's handle method must type hint the event class it listens to.

4fill in blank

hard

Fill both blanks to dispatch an event and listen to it with a listener.

Laravel

event(new [1]($user));

protected $listen = [
    [2]::class => [
        SendWelcomeEmail::class,
    ],
];

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

AUserRegistered

BUserLoggedIn

DUserLoggedOut

Attempts:

3 left

💡 Hint

Common Mistakes

Using different event names for dispatching and listening.

Confusing login and registration events.

The event dispatched and the event listened to must be the same class.

5fill in blank

hard

Fill all three blanks to create a listener class that handles an event and logs a message.

Laravel

use Illuminate\Support\Facades\Log;

class [1] {
    public function handle([2] $event) {
        Log::info('[3] event handled');
    }
}

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

AUserRegisteredListener

BUserRegistered

DUserLoggedIn

Attempts:

3 left

💡 Hint

Common Mistakes

Mismatching event names in the handle method and log message.

Using the wrong class name for the listener.

The listener class name, the event type in the handle method, and the event name in the log message must correspond.