by Penn Wu
Publisher: The Global Text Project 2014
Number of pages: 245
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by Paul Hudson
This book teaches PHP from scratch, no PHP programming skill is assumed. The topics are ordered in such a way as to allow newcomers to progress smoothly and quickly in their learning without having to copy thousands of lines of code.
by Mario Lurig
A collection of over 250 PHP functions with clear explanations in language anyone can understand, followed with examples. The book includes numerous additional tips, the basics of PHP, MySQL query examples, regular expressions syntax, etc.
- PHP Security Consortium
This guide is the flagship project of the PHP Security Consortium, an international group dedicated to promoting secure programming practices. The guide offers information pertaining to a number of common security concerns for all PHP developers.
by Alex Cabal - phpbestpractices.org
This text is an attempt to compile a set of instructions for what can be considered best practices for common and confusing issues and tasks in PHP. It's a guide suggesting the best direction to take when facing one of the common low-level tasks.