I want a function highlighting the PHP code

[Mushroom]

Are there any?

thx

[TheJuice]

You could do:
$string = "string to replace";
$document = ereg_replace("($string)", "<font background-color="yellow">\1</font>", $document);

Read stuff on Regular Expressions for more info on this.

[kjelle392]

Check out hilight_file and hilight_string in the PHP-manual 🙂