more a *black* magic function if you ask me

Just in case anyone else uses this function...

http://it.php.net/manual/en/language.oop5.magic.php#language.oop5.magic.tostring

Have to say I find mixing types like this (is_object() would be true but 
echo returns a string) somewhere between annoying and downright dangerous.
and not at all intuitive.

Marc