Add Applied Coupon Description to WooCommerce Admin Email notifications

Question

Trying to put the description of applied coupon into the "New Order" admin email with not success

So far trying to use this code I put into functions.php

add_action( 'woocommerce_email_order_details', 'display_applied_coupons', 10, 4 );
function display_applied_coupons( $order, $sent_to_admin, $plain_text, $email ) {

    // Only for admins and when there at least 1 coupon in the order
    if ( ! $sent_to_admin && count($order->get_items('coupon') ) == 0 ) return;

    foreach( $order->get_items('coupon') as $coupon ){
        $coupon_codes[] = $coupon->get_code();
        $coupon_desc[] = $coupon->get_description();

    }
    // For one coupon
    if( count($coupon_codes) == 1 ){
        $coupon_code = reset($coupon_codes);
        echo '<p>'.__( 'Coupon Used: ').$coupon_code.'<p>';

        $coupon_des = reset($coupon_desc);
        echo '<p>'.__( 'Coupon Description: ').$coupon_des.'<p>';
    } 
    // For multiple coupons
}

Unless it doesn't produce any error, I can't see the coupon description into the "New Order" admin email

Somebody can help me? Thank you in advance

Answer 1

There are some mistakes in your code… Try the following instead:

add_action( 'woocommerce_email_order_details', 'display_applied_coupons', 10, 4 );
function display_applied_coupons( $order, $sent_to_admin, $plain_text, $email ) {
    // Only for admins and when there at least 1 coupon in the order
    if ( $sent_to_admin && count( $order->get_coupons() ) > 0 ) {
        $html = '<div class="coupon-items">
        <h2>' . __( "Used coupons" ) . '<h2>
        <table class="td" cellspacing="0" cellpadding="6" border="1"><tr>
        <th>' . __("Code") . '</th>
        <th>' . __("Description") . '</th>
        </tr>';

        foreach( $order->get_coupons() as $item ){
            $code   = $item->get_code();
            $coupon = new WC_Coupon($code);

            $html .= '<tr>
                <td>' . ucfirst( $code ) . '</td>
                <td>' . $coupon->get_description() . '</td>
            </tr>';
        }
        $html .= '</table><br></div>';

        // The CSS styling
        $css = '<style>
            .coupon-items table{width: 100%; font-family: \'Helvetica Neue\', Helvetica, Roboto, Arial, sans-serif;
                color: #737373; border: 1px solid #e4e4e4; margin-bottom:8px;}
            .coupon-items table th, table.tracking-info td{text-align: left; border-top-width: 4px;
                color: #737373; border: 1px solid #e4e4e4; padding: 12px;}
            .coupon-items table td{text-align: left; border-top-width: 4px; color: #737373; border: 1px solid #e4e4e4; padding: 12px;}
        </style>';

        // The Output CSS + HTML
        echo $css . $html;
    }
}

Code goes in functions.php file of the active child theme (or active theme). Tested and works.