Retrieves site data given a site ID or site object.

Retrieves a list of sites matching requested arguments.

Retrieve the date on which the post was last modified.

Retrieve the time at which the post was last modified.

Returns the post thumbnail caption.

Retrieves list of WordPress theme features (aka theme tags).

Displays a search form for searching plugins.

Determines whether a post type is considered “viewable”.

Determines if SSL is used.

Load the translated strings for a plugin residing in the mu-plugins directory.