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目錄 原始文章 WooCommerce-訂單編號前面加上日期 //--- Add Order Number Prefix and Suffix ---// function change_woocommerce_order_number( $order_id ) { $order = new WC_Order($order_id); $datetime = new DateTime($order->order_date); $date = $datetime->format('Y-m-d'); $dateSerial = explode("-", $date); $new_order_id = $dateSerial[0].$dateSerial[1].$dateSerial[2].$order_id; return $new_order_id; } add_filter( 'woocommerce_order_number', 'change_woocommerce_order_number' ); 推薦文章 WordPress客製化網頁設計，複製貼上就搞定的程式碼大全