Strip_tags除了php中的href标签外？ [重复]

Question

Possible Duplicate:
Strip all HTML tags, except allowed

I have this code:

<?php echo strip_tags($row->message); ?>

Now, I need to add exception for the a href html tag <a>, because now all tags are thrown out.

Thanks in advance.

Answer 1

strip_tags($row->message, '<a>');

Second argument is made for exceptions.