setup everything before starting to display content for search page.

Sanitize user inputs before performing search.

BuddyPress Global Search Main Controller class

Insures that only one instance of Class exists in memory at any one time. Also prevents needing to define globals all over the place.

A dummy constructor to prevent this class from being loaded more than once.

A dummy magic method to prevent this class from being cloned.

A dummy magic method to prevent this class being unserialized.

Hook to load helper classes for additional search types.