Display a set_message for each bad wor found in string

I think using set_message in a loop overwrite the previous message.
So you must be getting only the message for the last bad word.

I would try to implode the word array to test.

PHP Code:

$this->set_message('badword', 'Your message has band word(s) <b>' . implode(',',$words) . '</b> you can not use that word.'); 


A good decision is based on knowledge and not on numbers. - Plato