The 'get_comment_link' PHP filter in WordPress allows developers to customize the URL structure of comment links.

The 'get_canonical_url' PHP filter in WordPress is a powerful tool for ensuring proper URL canonicalization.

The 'post_thumbnail_url' PHP filter in WordPress allows developers to easily retrieve the URL of a post's featured image.

​The `post_type_archive_feed_link` WordPress filter allows modification of the post type archive feed link for a specified feed type

The 'post_type_archive_link' PHP filter in WordPress allows developers to customize the archive link for custom post types.

The 'get_edit_user_link' PHP filter in WordPress allows developers to customize the user edit link.

The 'get_edit_term_link' PHP filter in WordPress allows developers to customize the edit term link for taxonomy terms.

The 'get_edit_tag_link' PHP filter in WordPress allows developers to customize the edit tag link for taxonomy terms.

The 'get_edit_post_link' PHP filter in WordPress allows developers to customize the edit post link for specific post types.