This is an introduction to PHP syntax and structure, and a quick reference to the vast array of functions provided by PHP. The quick reference section organizes all the core functions of PHP alphabetically so you can find what you need easily; the slim size means you can keep it handy beside your keyboard for those times when you want to look up a function quickly without closing what you're doing. The book provides an overview of PHP and is intended to be a companion for O'Reilly's comprehensive book on PHP, "Programming PHP". The PHP Pocket Reference an indispensable (and inexpensive ) tool for any serious PHP coder.