How to link viber user page in wordpress?

Question

I created a link to connect the viber in wordpress. But it does not working.

<a href="href='//chat?number=xxxxxxxxxx'"/>xxxxxxxxxx</a>

Answer 1

In your theme functions.php (preferable child theme) use this to allow "viber" protocol:

add_filter( 'kses_allowed_protocols', function ( $protocols ) {
   $protocols[] = 'viber';
   return $protocols;
} );