Using WordPress ‘get_the_author_email()’ PHP function
Retrieve the email of the author of the current post.
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Using WordPress ‘get_the_taxonomies()’ PHP function
The `get_the_taxonomies()` function in WordPress allows you to retrieve all taxonomies associated with a post, including their labels and terms
Using WordPress ‘get_trackback_url()’ PHP function
The `get_trackback_url()` function in WordPress retrieves the current post's trackback URL
Using WordPress ‘get_the_author_login()’ PHP function
Retrieve the login name of the author of the current post.