Dispatching jobs in Laravel - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is the purpose of dispatching jobs in Laravel?

Dispatching jobs allows Laravel to run tasks asynchronously, so long-running processes don't slow down the user experience.

beginner

How do you dispatch a job in Laravel?

You use the dispatch() helper or call JobClass::dispatch() to send a job to the queue.

intermediate

What interface must a Laravel job implement to be dispatched?

A job must implement the ShouldQueue interface to be queued and run asynchronously.

beginner

What is the role of the handle() method in a Laravel job?

The handle() method contains the code that runs when the job is processed from the queue.

intermediate

How can you delay a job execution in Laravel?

You can delay a job by chaining delay() with a time value before dispatching, like dispatch((new Job)->delay(now()->addMinutes(10))).

Which method is used to send a job to the queue in Laravel?

A queue()

B run()

C send()

D dispatch()

The dispatch() helper or JobClass::dispatch() is used to send jobs to the queue.

What interface should a job implement to be queued?

A Dispatchable

B Queueable

C ShouldQueue

D Runnable

Jobs must implement ShouldQueue to be processed asynchronously.

Where do you write the code that runs when a job is processed?

A handle() method

B dispatch() method

C run() method

D process() method

The handle() method contains the job's processing logic.

How do you delay a job execution by 5 minutes?

A dispatch(new Job)->wait(5)

B dispatch(new Job)->delay(now()->addMinutes(5))

C dispatch(new Job)->pause(5)

D dispatch(new Job)->hold(5)

The delay() method with a time value delays job execution.

What happens if you dispatch a job without implementing ShouldQueue?

A The job runs immediately, not queued

B The job is queued but never processed

C An error is thrown

D The job is ignored

Without ShouldQueue, the job runs synchronously immediately.

Explain how to create and dispatch a job in Laravel.

Think about the steps from job creation to sending it to the queue.

Describe how Laravel handles delayed job execution.

Consider how you tell Laravel to wait before running a job.