public static function instance() { if (is_null(self::$_instance)) { self::$_instance = new self(); } return self::$_instance; }
function process_order_meta_box_actions($post) { $order_id = $post->id; $post_status = $post->post_status; if ($post_status == 'trash' || $post_status == 'wc-cancelled') { return false; } parent::emitirNFe(array($order_id)); }