public function admin_init()
{
$createswpmuser = filter_input(INPUT_POST, 'createswpmuser');
if (!empty($createswpmuser)) {
SwpmAdminRegistration::get_instance()->register();
}
$editswpmuser = filter_input(INPUT_POST, 'editswpmuser');
if (!empty($editswpmuser)) {
$id = filter_input(INPUT_GET, 'member_id', FILTER_VALIDATE_INT);
SwpmAdminRegistration::get_instance()->edit($id);
}
$createswpmlevel = filter_input(INPUT_POST, 'createswpmlevel');
if (!empty($createswpmlevel)) {
SwpmMembershipLevel::get_instance()->create();
}
$editswpmlevel = filter_input(INPUT_POST, 'editswpmlevel');
if (!empty($editswpmlevel)) {
$id = filter_input(INPUT_GET, 'id');
SwpmMembershipLevel::get_instance()->edit($id);
}
$update_category_list = filter_input(INPUT_POST, 'update_category_list');
if (!empty($update_category_list)) {
include_once 'class.swpm-category-list.php';
SwpmCategoryList::update_category_list();
}
}
public static function get_instance()
{
self::$_instance = empty(self::$_instance) ? new SwpmMembershipLevel() : self::$_instance;
return self::$_instance;
}