Speaking of the server side, here comes PHP, probably the most popular programming language designed for server-side development. This general-purpose scripting language can collect data from online forms, create dynamic elements for web pages, or handle cookies. Though that is its main goal, PHP can do more than that. 

PHP is a general-purpose scripting language geared towards web development. It was originally created by Danish-Canadian programmer Rasmus Lerdorf in 1994.