Using WordPress ‘print_embed_sharing_button()’ PHP function
Prints the necessary markup for the embed sharing button.
Pages
Using WordPress ‘parent_dropdown()’ PHP function
Prints out option HTML elements for the page parents drop-down.
Using WordPress ‘nocache_headers()’ PHP function
Sets the headers to prevent caching for the different browsers.
Using WordPress ‘posts_nav_link()’ PHP function
Displays the post pages link navigation for previous and next pages.