This article provides a comprehensive overview of PHP namespaces, covering their concept, key features, usage methods, and common issues, with practical code examples. It is designed to help developers write more organized, maintainable, and conflict-free code. Suitable for both beginners and experienced PHP programmers.

This article provides a detailed guide on implementing email verification in PHP to enhance account security and prevent unauthorized access. It covers how to generate, send, and verify email codes and introduces additional protection methods such as login attempt limits, SSL encryption, and CAPTCHA. Suitable for user registration and login systems.