Using WordPress ‘get_the_modified_date()’ PHP function
Retrieves the date on which the post was last modified.
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Using WordPress ‘get_the_generator()’ PHP function
Creates the generator XML or Comment for RSS, ATOM, etc.
Using WordPress ‘get_the_comments_pagination()’ PHP function
Retrieves a paginated navigation to next/previous set of comments, when applicable.
Using WordPress ‘get_the_author_meta()’ PHP function
Retrieves the requested data of the author of the current post.