public static function init()
 {
     self::$active_plugins = (array) get_option('active_plugins', array());
     if (is_multisite()) {
         self::$active_plugins = array_merge(self::$active_plugins, get_site_option('active_sitewide_plugins', array()));
     }
 }
 function is_ssp_active($minimum_version = '')
 {
     return SSP_Dependencies::ssp_active_check($minimum_version);
 }