/**
* Return an instance of this class.
* @return object A single instance of this class.
*/
public static function get_instance()
{
// If the single instance hasn't been set, set it now.
if (null == self::$instance) {
self::$instance = new self();
}
return self::$instance;
}
/**
* Return an instance of this class.
* @return object A single instance of this class.
*/
public static function get_instance($network_wide = '')
{
// If the single instance hasn't been set, set it now.
if (null == self::$instance) {
self::$instance = new self();
global $network_wide;
$network_wide = $network_wide;
}
return self::$instance;
}
