Retrieves the value for an image attachment’s ‘srcset’ attribute.

Get the URL of an image attachment.

Retrieves an attachment page link using an image or icon, if possible.

Returns document title for the current page.

Perform a HTTP HEAD or GET request.

Retrieves the terms associated with the given object(s), in the supplied taxonomies.

Return the HTTP protocol sent by the server.

Gets the user IDs of all users with no role on this site.

Handles the submission of a comment, usually posted to wp-comments-post.php via a comment form.

Adds ‘srcset’ and ‘sizes’ attributes to an existing ‘img’ element.