PHP Best Practices

Modern PHP 8.x patterns, PSR standards, type system best practices, and SOLID principles. Contains 45+ rules for writing clean, maintainable PHP code.

When to Apply

Reference these guidelines when:

• Writing or reviewing PHP code
• Implementing classes and interfaces
• Using PHP 8.x modern features
• Ensuring type safety
• Following PSR standards
• Applying design patterns

Rule Categories by Priority