php.net – PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML. If you are new to PHP and want to get some idea of how it works, try the introductory tutorial. After that, check out the online manual, and the example archive sites and some of the other resources available in the links section.
In this post you will find 11 Websites to Learn PHP. You will need to take the extra steps to learn for books and online videos. I hope you found this post helpful.