> Btw. Try to write an OO application in a manner that would not require
> the require_once statement, but rather a plain require. In part,
> because it's faster, but mainly because it will force you to write
> your applications in a much straightforward manner. Maybe
> straightforward isn't the word here, but I'm tired as hell...

if both main_class and html require dal.php and could be used in the same
script, require_once is better and produces less parsing in php...and is
therefore faster than php having to check if it loaded a file already or
not. THAT is straightforward...probably not the word you're looking for.