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.