DevSense.

Guides

Architecture

Eloquent and Large Datasets: chunk, lazy and cursor | DevSense

How to process and export hundreds of thousands of rows in Laravel without running out of memory: N+1 and preventLazyLoading, chunk vs chunkById, lazy and cursor, PDO buffering, CSV streaming, Query Builder and raw SQL for reports.

Architecture

Laravel Action Classes, Services and DTOs | DevSense

How to slim down fat controllers and models in Laravel: Action classes, a service layer, readonly DTOs, module boundaries, transactions and events — and when all of it is overengineering.

Architecture

Laravel Queues in Production: Timeouts and failed_jobs | DevSense

How to configure Laravel queues for production: retry_after and --timeout, retries and backoff, failed_jobs, memory in long-lived workers, heavy imports via batches, unique jobs, Supervisor and Horizon.

Try Quizzes

+1000 XP

PHP Expert Interview

An extreme test of 100 questions covering Zend Engine internals, memory management, Swoole, JIT, FFI, streams, and exploits.

+1000 XP

PHP Advanced Interview

A challenging test of 100 questions covering modern PHP 8.x, OOP, SPL, patterns, Composer internals, and security.

+400 XP

Git Interview Prep

A comprehensive preparation test of 40 questions covering Git commands, branching models, merging, rebasing, recovering commits, and monorepos.

Ideas