Product bundle

code

// user the [bundle_items]  shortcode, or [bundle_items product_id="123" show_qty="yes" show_optional="yes" show_price="no" list_class="bundle-items"]
// place the code in the child theme funcitons.php or custom  php snippets plugint
// required plugin https://woocommerce.com/products/product-bundles/

add_action( 'init', function () {
    add_shortcode( 'bundle_items', function ( $atts = [] ) {

        if ( ! function_exists( 'wc_get_product' ) ) {
            return '';
        }

        $atts = shortcode_atts( [
            'product_id'    => '',
            'show_qty'      => 'yes',
            'show_optional' => 'yes',
            'show_price'    => 'no',
            'list_class'    => 'bundle-items',
        ], $atts, 'bundle_items' );

        $product = null;

        if ( ! empty( $atts['product_id'] ) ) {
            $product = wc_get_product( absint( $atts['product_id'] ) );
        } else {
            global $product;
        }

        if ( ! $product || ! $product instanceof WC_Product ) {
            return '';
        }

        if ( ! $product->is_type( 'bundle' ) || ! method_exists( $product, 'get_bundled_items' ) ) {
            return '';
        }

        $bundled_items = $product->get_bundled_items();

        if ( empty( $bundled_items ) ) {
            return '';
        }

        $show_qty      = strtolower( $atts['show_qty'] ) === 'yes';
        $show_optional = strtolower( $atts['show_optional'] ) === 'yes';
        $show_price    = strtolower( $atts['show_price'] ) === 'yes';

        ob_start();
        ?>
        <ul class="<?php echo esc_attr( $atts['list_class'] ); ?>">
            <?php foreach ( $bundled_items as $bundled_item ) :
                $child = $bundled_item->get_product();
                if ( ! $child ) {
                    continue;
                }

                $qty_min  = (int) $bundled_item->get_quantity();
                $optional = $bundled_item->is_optional();

                $price_html = '';
                if ( $show_price ) {
                    $price_html = $child->get_price_html();
                    if ( $price_html ) {
                        $price_html = ' <span class="bundle-item__price">' . wp_kses_post( $price_html ) . '</span>';
                    }
                }
                ?>
                <li class="bundle-item">
                    <a class="bundle-item__link" href="<?php echo esc_url( $child->get_permalink() ); ?>">
                        <?php echo esc_html( $child->get_name() ); ?>
                    </a>
                    <?php
                    if ( $show_qty && $qty_min > 0 ) {
                        echo ' <span class="bundle-item__qty">× ' . intval( $qty_min ) . '</span>';
                    }
                    if ( $show_optional && $optional ) {
                        echo ' <em class="bundle-item__optional">(opcionális)</em>';
                    }
                    echo $price_html;
                    ?>
                </li>
            <?php endforeach; ?>
        </ul>
        <?php
        return ob_get_clean();
    } );
} );