Using WordPress ‘block_version()’ PHP function
Returns the current version of the block format that the content string is using.
HTTPS
Using WordPress ‘attachment_submitbox_metadata()’ PHP function
Displays non-editable attachment metadata in the publish meta box.
Using WordPress ‘adjacent_posts_rel_link_wp_head()’ PHP function
Displays relational links for the posts adjacent to the current post for single post pages.
Using WordPress ‘confirm_blog_signup()’ PHP function
Shows a message confirming that the new site has been registered and is awaiting activation.