Download PHP Reference Beginner to Intermediate PHP 5, This is an excellent book written by Mario Lurig. a collection of over 250 PHP functions with clear explanations in language anyone will understand, followed with as several examples because it takes to understand what the function does and the way it works. This book includes various additional tips, the basics of PHP, MySQL query examples, regular expressions syntax, and 2 indexes to assist you find information faster. Download the pdf from below to explore all topics and start learning.