$order_status_text=sprintf(__('Order %s which was made %s has the status “%s”','woocommerce'),$order->get_order_number(),human_time_diff(strtotime($order->order_date),current_time('timestamp')).' '.__('ago','woocommerce'),wc_get_order_status_name($order->get_status()));
if($order->is_status('completed'))$order_status_text.=' '.__('and was completed','woocommerce').' '.human_time_diff(strtotime($order->completed_date),current_time('timestamp')).__(' ago','woocommerce');