Queue

Many people think Dead Letter Exchanges can handle only failures. In reality, they’re perfect for scheduling messages and delayed job processing. Let’s see how we can do it.

When you’re scheduling tasks in CodeIgniter 4, it’s not uncommon to run into issues where the same task gets triggered before the previous one finishes. This can cause anything from duplicate processing to race conditions and even server slowdowns. To help with that, CodeIgniter Tasks provides a built-in method called singleInstance(). ...

Job queues help handle background tasks like sending emails, generating reports, or resizing images - keeping your application fast and responsive. But what if you need tasks to run in a specific order? That’s where chained jobs shine. ...

While CodeIgniter 4 itself doesn’t have a built-in queue system, I have built one which rely on the database handler. But what is a queue? It’s a system that allows you to schedule and manage background tasks or jobs to be executed in the given order. These jobs can include sending emails, processing data, generating reports, and more. Using a queue system helps offload time-consuming or resource-intensive tasks from the main application, ensuring that the application remains responsive. ...