20th June 2008 Alan Spurgeon

What is PHP?

PHP stands for “Hypertext Pre-processor”, which is a server-side scripting language used to create dynamic Websites. PHP is an open-source language which means it is free to use and edit as you like.

PHP uses a lot of its syntax from C, Java and Perl. But PHP has a lot of its own unique features, such as “loosely defined data types”, which are data types or variables that don’t need to be pre-defined of a particular type.

The goal of the PHP language is to allow Web developers to write dynamically generated pages quickly.

If a user opens a site which has PHP coding, usually used for Dynamic content (text, images or any other sort of items), the server processes the PHP code and then sends the output (not the PHP code itself) to the
visitor’s browser.

So whilst the user will see a normal website which can be browsed, the server will see a lot of code and know
how to process it.

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