WOW! thank you so much your changes worked!

The function works as it should with add_filter( 'the_content', 'bd_hide_external_link' );which hides all external links for guests in wordpress blo...

so I deleted the forum cache and my websites cache and still not working. Am I doing anything wrong? I am so desperate for this to work. BTW I even ch...

Okay here is all i have done so far, BTW the links are still visible to guests in wpforo so this has not worked... I added THIS code to my THEMES fu...

Do you mean to place it in wpf-hooks.php? so you are saying ad the full code to themes function.php and then add just the last part to wpf-hooks...

Thank you so much for your reply. I am still confused though. Can you explain in more detail how I need to change my code and where exactly to place i...