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→What is a PHP Function?
Functions are basically named scripts that can be called upon from any other script to perform a specifc task. Values (known as ''arguments'') can be passed into a function so that they can be used in the function script, and functions can, in turn, return results to the location from which they were called.
PHP functions exist it two forms, functions that are provided with PHP to make your life as a web develeper easier, and those that you as a web developer create yourself.
== How to Write a PHP Function ==