PHP, MySQL & Laravel Tutorials for Real-World Web Development

Learn backend development through practical guides on PHP, MySQL optimization, Laravel architecture, performance tuning, and production troubleshooting.

PHP Dev Zone focuses on solving real production problems — from slow database queries and high CPU usage to scalable Laravel application design and debugging strategies.

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  • ✔ Production-focused tutorials
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Browse in-depth guides on PHP, MySQL, Laravel, performance optimization, and troubleshooting.

PHP Tutorials

Learn core PHP concepts, backend architecture, and real-world application development techniques.

MySQL Optimization

Master indexing strategies, query optimization, and database performance tuning.

Performance Optimization

Identify bottlenecks, reduce server load, and improve application speed in production.

Troubleshooting Guides

Fix common backend errors, debugging issues, and production deployment problems.

Laravel Development

Build scalable Laravel applications with best practices, debugging, and performance improvements.

Featured In-Depth Guide

A practical deep dive into backend performance and production optimization.

Performance Optimization

Why High CPU Usage Happens in PHP Applications (And How to Fix It)

Published February 8, 2026 • 8 min read

High CPU usage in PHP applications is often caused by inefficient database queries, heavy loops, cron jobs, or missing caching strategies. This guide walks through real production scenarios and shows how to identify and resolve performance bottlenecks.

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Latest Backend Development Articles

Practical tutorials on PHP, MySQL optimization, Laravel development, and real-world performance troubleshooting.

Shared Hosting vs VPS: Real Performance Differences for PHP Apps

Shared Hosting vs VPS: Real Performance Differences for PHP Apps

Confused why your PHP app feels slow on shared hosting but fast on VPS? This post explains real performance differences using practical developer experience.

How Improper Data Types Affect MySQL Performance

How Improper Data Types Affect MySQL Performance

Many MySQL performance problems start at the schema level. Learn how wrong data types increase CPU usage, index size, and slow queries using real production examples.

Why High CPU Usage Happens in PHP Applications?

Why High CPU Usage Happens in PHP Applications?

High CPU usage in PHP applications is often caused by inefficient queries, heavy loops, cron jobs, and missing caching. Learn real production causes.

Common MySQL Indexing Mistakes That Quietly Hurt Performance

Common MySQL Indexing Mistakes That Quietly Hurt Performance

Learn the most common MySQL indexing mistakes that slow down queries, increase server load, and hurt performance in real production systems.

PHP Memory Limit Issues: How They Quietly Kill Performance

PHP Memory Limit Issues: How They Quietly Kill Performance

Learn how PHP memory issues slowly degrade performance, why increasing memory limits isn’t always the solution, and practical ways to optimize memory usage for faster, stable applications.

Hidden Performance Issues Caused by Excessive Logging in PHP Applications

Hidden Performance Issues Caused by Excessive Logging in PHP Applications

Excessive logging can silently slow down PHP apps. Learn how logs affect performance, common mistakes, warning signs, and how to fix them safely.