A Gentle Introduction to symfony
by Francois Zaninotto, Fabien Potencier
Publisher: Sensio SA 2010
A Gentle Introduction to symfony introduces you to the leading framework for PHP developers, showing you how to wield its many features to develop web applications faster and more efficiently, even if you only know a bit of PHP.
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by Adam Trachtenberg, David Sklar - O'Reilly Media
A collection of problems, solutions, and practical examples for PHP programmers. The book describes the best practices for everyday PHP programming dilemmas. It contains over 250 recipes, ranging from simple tasks to entire programs.
A comprehensive guide to programming in PHP. Topics: Learning the Language - basics; Advanced PHP - Data Structures, Object Oriented Programming (OOP), Templating, Libraries, Frameworks, Security, Command-Line Interface (CLI); etc.
by Luis Atencio - Leanpub
I provide a practical approach to functional programming and show how it compares to other programming paradigms. The book is filled with examples that showcase functional concepts, plus using PHP in a ways you've probably never though it could.
This online book covers all areas of PHP in detail: the basics of the language, file and filesystem handling, object oriented programming, MySQL and SQLite database access, handling of HTML forms, using cookies and PHP sessions.