This book is a step-by-step, example-driven AJAX tutorial, featuring complete case studies. Each chapter contains a friendly mix of theory and practice, so that your journey through the book will be pleasant, yet efficient. You'll be coding your first AJAX application at the end of the first chapter, and with each new chapter you'll develop increasingly complex AJAX applications featuring advanced techniques and coding patterns. AJAX and PHP: Building Modern Web Applications, 2nd Edition, is written for PHP developers who: Want to learn how to use PHP, JavaScript, MySQL and jQuery to implement Web 2.0 applications Are looking for a step-by-step, example-driven AJAX tutorial Want to learn advanced AJAX coding patterns and techniques and be able to assess the security and SEO implications of their code