The comments_rss() WordPress PHP function returns a link to the post’s RSS feed. This function facilitates easy access to the comments of a particular post via an RSS feed.
Usage
To use comments_rss(), simply call the function like so:
echo comments_rss();
When you use this function in a WordPress loop, it will output the RSS feed link for the comments of the current post.
Parameters
- There are no parameters for this function.
More Information
See WordPress Developer Resources: comments_rss()
This function was implemented in WordPress since version 1.5.0. Its source code can be found in wp-includes/link-template.php.
Related functions include get_post_comments_feed_link(), which provides the RSS feed link for a specific post.
Examples
Display RSS feed link in a post
This code will display the RSS feed link for comments of each post in your loop.
// Loop through posts
if (have_posts()) :
while (have_posts()) : the_post();
// Echo the RSS feed link for post comments
echo comments_rss();
endwhile;
endif;
Custom RSS link text
You can use the function to create a custom RSS link with your own text.
// Custom RSS link text echo '<a href="' . comments_rss() . '">Subscribe to Comments RSS</a>';
Using in Single Post
This function can be used inside a single post to display the RSS link for that post.
if (is_single()) {
echo comments_rss();
}
Checking if RSS feed exists
Before displaying the RSS feed link, you can check if it exists.
// Check if RSS feed exists
if (comments_rss()) {
echo comments_rss();
} else {
echo 'No Comments RSS Available';
}
Including in HTML
You can include the RSS feed link in your HTML code.
echo '<link rel="alternate" type="application/rss+xml" title="RSS 2.0" href="' . comments_rss() . '" />';