Once you have mastered the basics of PHP from our Learn PHP series of tutorials, you can move on to learning more advanced PHP code.

http://php.about.com/od/advancedphp/Advanced_PHP.htm

PHP Advanced PHP Date PHP Include PHP File PHP File Upload PHP Cookies PHP Sessions ... In our PHP tutorial you will learn about PHP, and how to execute scripts on your server.

http://www.w3schools.com/php/default.asp

Beginners PHP tutorial for web designers. ... Explore PHP6 and other advanced PHP concepts with Jon ... was looking around for options on how to learn ...

http://www.killerphp.com/tutorials/advanced-php/