Disabling all html tags, except some tags I want to allow

Question

I want to allow tags like <b>, <h1>, <h2> but still disabling HTML in posts. How can I do that? can I do it with htmlspecialchars?

Thanks for your help , The site and the users are really helpful :).

Answer 1

you can use strip_tags http://fr.php.net/manual/en/function.strip-tags.php the second arguments allows some tags.

Answer 2

Use strip_tags().

http://php.net/manual/en/function.strip-tags.php

$stripped = strip_tags($text, "<b><h1><h2>");

Caveat emptor. There might be some security implications there.