PHP Cheat Sheet
Comprehensive PHP reference covering variables, functions, classes, arrays, database operations, security best practices, and modern PHP features with practical code examples.
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PHP Best Practices
🔒 Security First
Always validate input, use prepared statements, and escape output
📦 Use Namespaces
Organize code with PSR-4 autoloading and meaningful namespaces
🎯 Type Declarations
Use strict types and type hints for better code reliability
🔄 Use PDO
PDO with prepared statements for secure database operations
⚡ Modern PHP
Use arrow functions, null coalescing, and match expressions
🧪 Error Handling
Use exceptions for error handling and proper logging
PHP cheat sheet covering modern features, security practices, and best practices
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