Blog Oatllo

From basic concepts and advanced tips to the latest technology news.

Sep 18, 2026 · 10 min read

How to Stream LLM Responses in a Web App

Learn how to stream LLM response output in a web app with SSE, EventSource, fetch ReadableStream, and a PHP/Laravel server example.

Articles

1–12 / 32

Sep 16, 2026 · 7 min

8 VS Code Extensions Every PHP Developer Needs

The 8 VS Code extensions PHP developers actually keep installed, with real setup notes on when each one earns its spot.

Sep 14, 2026 · 12 min

Defending Against Prompt Injection

Why 'ignore malicious instructions' never works, and which defenses actually reduce the blast radius of prompt injection in LLM apps.

Sep 11, 2026 · 9 min

CI/CD for Laravel with GitHub Actions: Step by Step

Set up Laravel GitHub Actions CI/CD from scratch: a full ci.yml with PHP, MySQL service, caching, and php artisan test explained line by line.

Sep 9, 2026 · 10 min

Readonly Properties in PHP 8: Practical Use Cases

A practical guide to PHP readonly properties: value objects, DTOs, immutable config, constructor promotion, and the gotchas that bite in production.

Sep 7, 2026 · 10 min

How to Use Laravel Events and Listeners Effectively

A practical guide to Laravel events listeners: auto-discovery in Laravel 11+, queued listeners, real trade-offs, and the pitfalls to avoid.

Sep 4, 2026 · 9 min

Fixing SQLSTATE[HY000] General Error in Laravel

SQLSTATE[HY000] in Laravel isn't one bug. Learn to read the driver code, then fix 2002, 1045, 1049, 2006 and 1364 fast.

Sep 2, 2026 · 9 min

Building a Robust Retry Strategy with Exponential Backoff Retry

How to build an exponential backoff retry with jitter that survives real outages: which errors to retry, capping delays, and Retry-After.

Aug 31, 2026 · 9 min

Debouncing vs Throttling in JavaScript: When to Use Each

Debounce vs throttle in JavaScript explained with runnable code, real use cases, and a cheat sheet so you pick the right one every time.

Aug 28, 2026 · 8 min

How to Write Testable PHP Code (Without a Framework)

Learn to write testable PHP code without a framework: dependency injection, injecting time and randomness, and a plain PHPUnit test.

Aug 26, 2026 · 8 min

Laravel API Resources vs Fractal: Serializing JSON the Right Way

Laravel API Resources vs Fractal for JSON serialization: code, trade-offs, a comparison table, and a clear pick for your next API.

Aug 24, 2026 · 9 min

PHP 8.4 Property Hooks: What They Are and How to Use

A practical guide to PHP 8.4 property hooks: get/set syntax, virtual properties, interface requirements, and when they beat plain getters.

Practical programming articles for developers

The Oatllo blog covers modern PHP and Laravel, JavaScript, software architecture, databases, DevOps and developer tooling - hands-on tutorials and deep-dives you can apply to real projects. New articles are published regularly.