Comment reply link and cancel comment reply link broken in 4.1

[ericabiz]

Using latest 4.1 of WordPress. Our "reply" comment links are broken. The "cancel comment reply" link is also broken. Neither link contains the /blog part of our URL. See ​http://help.com/blog/2015/01/15/12-best-customer-service-phrases/#respond for an example -- click "Reply" beneath either of the comments there.

Both of these links are generated directly by wp-includes/comment-template.php.

This happens on any theme, including the 2015 theme direct from WordPress and with all plugins disabled. Our current theory is that this is happening because our WordPress Address and Site Address are different. See ​http://imgur.com/kaOOqZe for a screenshot from our settings page.

Here is the code from when we activated the 2015 theme on our site:

<h3 id="reply-title" class="comment-reply-title">Leave a Reply <small><a rel="nofollow" id="cancel-comment-reply-link" href="/2015/01/15/12-best-customer-service-phrases/#respond" style="display:none;">Cancel reply</a></small></h3>

Notice the lack of /blog at the beginning of the href.

We posted in your support forms and James Huff referred us over here, so here we are!
​https://wordpress.org/support/topic/possible-bug-comments-reply-link-is-broken?replies=3#post-6469255

[johnbillion]

I've tested this on a fresh setup with Twenty Fifteen enabled and no plugins active. The site uses the following URL/folder structure:

I can't reproduce the problem. Both the reply and the cancel reply buttons have correct URLs.

Additionally, I can see no reason why the URLs would be incorrect, because they both just use add_query_arg() which uses the current URL and is unconnected to the site URL or the WordPress URL.

Some things to look at:

• Are there any plugins in your mu-plugins directory which might be interfering?
• Are there any funky settings in your .htaccess file (if relevant)?
• Is this a multisite setup?

[SergeyBiryukov]

I've set up an install with similar home and siteurl values, but could not reproduce the issue.

As noted above, ​get_cancel_comment_reply_link() uses ​remove_query_arg(), which ultimately depends on $_SERVER['REQUEST_URI'].

Could you see what is the value of $_SERVER['REQUEST_URI'] on that page?

[suitupalex]

Hi Sergey. I'm one of the engineers at Help.com and I'm taking a peek at this.

I've got a hard coded, temporary fix in place that simply prepends '/blog' when building the link in get_comment_reply_link().

When I log out $_SERVER['REQUEST_URI'] I see something along the lines of '/2015/01/15/blog-title-here/'.

Replying to SergeyBiryukov:

I've set up an install with similar home and siteurl values, but could not reproduce the issue.

As noted above, ​get_cancel_comment_reply_link() uses ​remove_query_arg(), which ultimately depends on $_SERVER['REQUEST_URI'].

Could you see what is the value of $_SERVER['REQUEST_URI'] on that page?

[johnbillion]

Replying to suitupalex:

When I log out $_SERVER['REQUEST_URI'] I see something along the lines of '/2015/01/15/blog-title-here/'.

This sounds like a server configuration issue in that case. $_SERVER['REQUEST_URI'] should contain the full path of the request. I suspect this is due to the way you have the web server configured.

Can you provide some information about your web server configuration? Which web server are you running? How are help.com/blog and blog-vhost.help.com set up?

[rachelbaker]

I was also unable to reproduce this reported bug. Sounds like this was a server configuration issue.

[henry.wright]

I hope you don't mind me revisiting this.

I can reproduce this issue if I'm using a custom comment callback. For example, here's my call to wp_list_comments():

wp_list_comments( array(
    'style'    => 'ul',
    'callback' => 'mytheme_comment'
) );

If I don't use a custom comment callback, I can then see the reply and cancel links on the page.

[henry.wright]

Of course you must output the reply link in your callback function. I'm closing this, my apologies for opening.