Adds a submenu page.

Adds a submenu page to the Appearance main menu.

Registers theme support for a given feature.

Adds a submenu page to the Users/Profile main menu.

Adds slashes only if the provided value is a string.

Returns whether the author of the supplied post has the specified capability.

Retrieves the current time as an object using the site’s timezone.

Checks a theme’s support for a given feature.

Retrieves the current time based on specified type.

Returns whether the current user has the specified capability.