<p>我想要修改发送给店主的电子邮件的主题行，将产品名称放入其中。 我看到了这段代码，可以将客户的名字放在前面 我该如何调整这段代码来包含产品名称</p> <pre class="brush:php;toolbar:false;">/* * 放在主题的functions.php或自定义插件中 * * 主题过滤器: * woocommerce_email_subject_new_order * woocommerce_email_subject_customer_processing_order * woocommerce_email_subject_customer_completed_order * woocommerce_email_subject_customer_invoice * woocommerce_email_subject_customer_note * woocommerce_email_subject_low_stock * woocommerce_email_subject_no_stock * woocommerce_email_subject_backorder * woocommerce_email_subject_customer_new_account * woocommerce_email_subject_customer_invoice_paid **/ add_filter('woocommerce_email_subject_new_order', 'change_admin_email_subject', 1, 2); function change_admin_email_subject( $subject, $order ) { global $woocommerce; $blogname = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES); $subject = sprintf( '[%s] 新客户订单 (# %s) 来自姓名 %s %s', $blogname, $order-&gt;id, $order-&gt;billing_first_name, $order-&gt;billing_last_name ); return $subject; }</pre> <p>也许我们只需要在这里进行修改</p> <pre class="brush:php;toolbar:false;">$subject = sprintf( '[%s] 新客户订单 (# %s) 来自姓名 %s %s', $blogname, $item-&gt;get_name, $order-&gt;billing_first_name, $order-&gt;billing_last_name ); return $subject; }</pre> <p><br /></p>

add_filter('woocommerce_email_subject_new_order', 'change_email_subject_new_order', 10, 2);
function change_email_subject_new_order( $formatted_subject, $order ) {
    $products = array(); // 初始化

    // 循环遍历订单项目
    foreach( $order->get_items() as $item ){
        // 将格式化的产品名称和数量添加到数组中
        $products[] = sprintf( '%s × %d', $item->get_name(), $item->get_quantity() );
    }

    $count    = count($products); // 产品数量
    $products = implode(', ', $products); // 将数组转换为字符串

    return sprintf( 
        __('[%s] 新客户订单（＃%s），%s，来自%s%s', 'woocommerce'), 
        wp_specialchars_decode(get_option('blogname'), ENT_QUOTES), $order->get_order_number(), 
        sprintf( _n('产品（%s）', '产品（%s）', $count, 'woocommerce'), $products, $products ),
        $order->get_billing_first_name(), $order->get_billing_last_name() 
    );
}