Authenticate a user, confirming the login credentials are valid.

Authenticates a user using the email and password.

Creates dropdown HTML content of users.

Retrieves the maximum character lengths for the comment form fields.

Retrieves unvalidated referer from ‘_wp_http_referer’ or HTTP referer.

Retrieves uploads directory information.

Retrieves the queue for lazy-loading metadata.

Normalize a filesystem path.

Queues comments for metadata lazy-loading.

Queues posts for lazy-loading of term meta.