Change textcolor of specific parts in textarea

Question

Is there any possibility to change the text-color of some parts in a textarea in HTML?

I like to output some highlighted PHP-Code on my website and give the possibil

Answer 1

There are many scripts out there that do just this, here's a nice list

9 Useful Javascript Syntax Highlighting Scripts

Most of these have the functionality you require, so you don't need to reinvent the wheel - unless you really want to :-)