/**
* Gets a array of instances from Wizards
*
* @return array BackWPup_Pro_Wizards
*/
public static function get_wizards()
{
if (!empty(self::$wizards)) {
return self::$wizards;
}
self::$wizards = apply_filters('backwpup_pro_wizards', self::$wizards);
//remove wizards can't load
foreach (self::$wizards as $key => $wizard) {
if (empty($wizard) || !is_object($wizard)) {
unset(self::$wizards[$key]);
}
}
return self::$wizards;
}
