How to use link to Viber in Wordpress?

Question

I need to put link to chat in Viber on this site. This link looks like this:

<a href='viber://chat?number=ххххххххх' target='_blank'>Link</a>

But it doesn't work! If I use code above on site, eventually it gives this link:

<a href='//chat?number=ххххххххх' target='_blank'>Link</a>

I can guess, wordpress (or maybe plugin JetPack, I don't know) deletes unfamiliar protocols (but leave protocols like https, http).

So my question - what is the problem and how can I fix it without javascript (js forbidden :( )?

Are you used esc_url() function to display the link? – Tamil Selvan C Feb 06 '18 at 12:00 — Tamil Selvan C, Feb 06 '18 at 12:00
Unfortunately, I can't use javascript here. – Dzianis Kurhan Feb 06 '18 at 12:11 — Dzianis Kurhan, Feb 06 '18 at 12:11

score 2 · Answer 1 · answered Feb 28 '20 at 01:11

2

In your theme functions.php (preferable child theme) add this to allow viber protocol.

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

answered Feb 28 '20 at 01:11

Alexandru Florea

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score 0 · Answer 2 · answered Jan 15 '20 at 08:46

0

The problem is that you are using wp_kses_post to display link but 'viber:' is not in the list of allowed protocols. To fix it you just have to add 'viber:' to allowed protocols list or use a different way to display content.

answered Jan 15 '20 at 08:46

user3107158

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How to use link to Viber in Wordpress?

2 Answers2