PHP Tutorials & Guides

Beginner

PHP Fundamentals

Learn PHP from scratch: variables, data types, operators, control structures, loops, and functions. Everything you need to write your first PHP program.

• Setting up a local PHP environment
• Variables and data types
• Control flow and loops
• Functions and scope
• Working with arrays and strings

Beginner

Working with Forms

Master HTML form handling in PHP. Learn GET vs POST methods, input validation, sanitization, file uploads, and how to prevent common form-related vulnerabilities.

• GET and POST request handling
• Input validation techniques
• Data sanitization
• Multi-part form data
• Building a complete contact form

Beginner

MySQL with PHP

Connect PHP to MySQL databases using PDO. Learn to create tables, insert records, run queries, and display dynamic data on your web pages safely.

• PDO connection and configuration
• CRUD operations
• Prepared statements
• Fetching and displaying data
• Error handling

Intermediate

Object-Oriented PHP

Master OOP in PHP with classes, interfaces, traits, abstract classes, and design patterns. Write cleaner, more maintainable code using proven principles.

• Classes, objects, and properties
• Inheritance and polymorphism
• Interfaces and abstract classes
• Traits and composition
• Namespaces and autoloading

Intermediate

Building REST APIs

Create robust RESTful APIs in PHP. Cover routing, request parsing, JSON responses, authentication with JWT, rate limiting, and API versioning strategies.

• REST architecture principles
• URL routing without a framework
• JSON request and response handling
• JWT authentication
• Rate limiting and pagination

Intermediate

Session & Auth Management

Implement secure user authentication systems. Cover session handling, password hashing, remember-me tokens, role-based access control, and OAuth integration.

• Secure session configuration
• Password hashing with bcrypt
• Remember-me functionality
• Role-based access control
• Two-factor authentication basics

Advanced

PHP Security Hardening

Protect your applications against real-world attacks. Learn defense-in-depth strategies covering SQL injection, XSS, CSRF, file inclusion, and more.

• OWASP Top 10 in PHP context
• Content Security Policy headers
• Secure file upload handling
• Encryption and hashing best practices
• Security audit methodology

Advanced

Performance Optimization

Make your PHP applications lightning fast. Cover opcode caching, database query tuning, profiling with Xdebug, memory management, and caching strategies.

• OPcache configuration and tuning
• Database query optimization
• Profiling with Xdebug and Blackfire
• Caching with Redis and Memcached
• Async processing with queues

Advanced

Testing PHP Applications

Write reliable, testable PHP code. Cover unit testing with PHPUnit, integration tests, mocking, test-driven development, and continuous integration setup.

• PHPUnit setup and configuration
• Writing unit and integration tests
• Mocking and test doubles
• Test-driven development workflow
• CI/CD pipeline integration

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PHP Syntax Cheat Sheet

Quick reference for PHP syntax, operators, and commonly used functions.

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PDO Quick Reference

Common PDO operations, connection strings, and prepared statement examples.

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Regex in PHP

Pattern matching with preg_match, preg_replace, and common regex patterns.

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PHP Date & Time

DateTime class, formatting, timezones, and date arithmetic reference.