/**
* Get class instance
*
* @return \Caldera_Forms_Tracking
*/
public static function get_instance()
{
if (null == self::$instance) {
self::$instance = new self();
}
return self::$instance;
}
/**
* Get any admin alert/notices from remote API
*
* @since 1.3.4
*
* @return array|mixed|void
*/
public static function get_admin_alerts()
{
$notices = get_option('_cf_admin_alerts', array());
if (!is_array($notices)) {
$notices = array();
}
$day_ago = time() - DAY_IN_SECONDS;
$last_check = get_option('_cf_last_alert_check', false);
if (false === $last_check || $day_ago > $last_check) {
$url = Caldera_Forms_Tracking::api_url('notices');
$r_notices = Caldera_Forms_Tracking::send_to_api($url);
if (!empty($r_notices)) {
$notices = array_merge($notices, $r_notices);
update_option('_cf_admin_alerts', $notices);
}
}
update_option('_cf_last_alert_check', time());
return $notices;
}
