PHP is an extremely popular, Open Source scripting language, most commonly used on webservers to produce dynamic pages. The name "PHP" is a recursive acronym for "PHP: Hypertext Preprocessor" and was initially created by Rasmus Lerdorf in 1994. As of today, the current version of PHP is version 5, with version 6 in the making.
What You Should Already Know
Before you continue you should have a basic understanding of the following:
Common uses of PHP
- PHP performs system functions, i.e. from files on a system it can create, open, read, write, and close them.
- PHP can handle forms, i.e. gather data from files, save data to a file, thru email you can send data, return data to the user.
- You add, delete, modify elements within your database thru PHP.
- Access cookies variables and set cookies.
- Using PHP, you can restrict users to access some pages of your website.
- It can encrypt data.