Makes the auto-draft status protected so that it can be queried.

Prints the markup for available menu item custom links.

Prints the markup for new menu items.

Sanitizes post IDs for posts created for nav menu items to be published.

Publishes the auto-draft posts that were created for nav menu items.

Core class used to implement action and filter hook functionality.

Adds a callback function to a filter hook.

Calls the callback functions that have been added to a filter hook.

Normalizes filters set up before WordPress has initialized to WP_Hook objects.

Return the current priority level of the currently running iteration of the hook.