If condition check type and not try to increment a string... if (!is_string($notstr)) ++$notstr; edit: I think checking for integer is better, if it's just i

If condition check type and not try to increment a string... if (!is_string($notstr)) ++$notstr; edit: I think checking for integer is better, if it's just incrementing integer. I was going to say type hinting but I just realized php's primitive cannot be type hinted.