Export Selected Orders to CSV

$wpide_export_action = function ( $actions ) {
    $actions['wpide_export_csv'] = 'Export to CSV';

    return $actions;
};

add_filter( 'bulk_actions-woocommerce_page_wc-orders', $wpide_export_action, 30 );
add_filter( 'bulk_actions-edit-shop_order', $wpide_export_action, 30 );

$wpide_export_handle = function ( $redirect, $action, $ids ) {
    if ( 'wpide_export_csv' !== $action || ! current_user_can( 'edit_shop_orders' ) ) {
        return $redirect;
    }

    $cell = function ( $value ) {
        $value = (string) $value;

        return preg_match( '/^[=+\-@\t\r]/', $value ) ? "'" . $value : $value;
    };

    nocache_headers();
    header( 'Content-Type: text/csv; charset=utf-8' );
    header( 'Content-Disposition: attachment; filename=orders-' . gmdate( 'Y-m-d-His' ) . '.csv' );

    $out = fopen( 'php://output', 'w' );
    fwrite( $out, "\xEF\xBB\xBF" ); // UTF-8 BOM for Excel.
    fputcsv( $out, array( 'Order', 'Date', 'Status', 'First name', 'Last name', 'Email', 'Phone', 'Company', 'Address', 'City', 'Postcode', 'Country', 'Items', 'Shipping', 'Discount', 'Tax', 'Total', 'Currency', 'Payment method' ) );

    foreach ( array_map( 'absint', (array) $ids ) as $id ) {
        $order = wc_get_order( $id );

        if ( ! $order ) {
            continue;
        }

        $items = array();

        foreach ( $order->get_items() as $item ) {
            $items[] = $item->get_quantity() . ' x ' . $item->get_name();
        }

        fputcsv( $out, array_map( $cell, array(
            $order->get_order_number(),
            $order->get_date_created() ? $order->get_date_created()->date_i18n( 'Y-m-d H:i' ) : '',
            wc_get_order_status_name( $order->get_status() ),
            $order->get_billing_first_name(),
            $order->get_billing_last_name(),
            $order->get_billing_email(),
            $order->get_billing_phone(),
            $order->get_billing_company(),
            trim( $order->get_billing_address_1() . ' ' . $order->get_billing_address_2() ),
            $order->get_billing_city(),
            $order->get_billing_postcode(),
            $order->get_billing_country(),
            implode( '; ', $items ),
            $order->get_shipping_total(),
            $order->get_discount_total(),
            $order->get_total_tax(),
            $order->get_total(),
            $order->get_currency(),
            $order->get_payment_method_title(),
        ) ) );
    }

    fclose( $out );
    exit;
};

add_filter( 'handle_bulk_actions-woocommerce_page_wc-orders', $wpide_export_handle, 10, 3 );
add_filter( 'handle_bulk_actions-edit-shop_order', $wpide_export_handle, 10, 3 );