Variable Product Attribute List, Shortcode, WooCommerce

// [snn_get_attributes name="Color"]
//
// [snn_get_attributes name="Color" count="true"]
// 
function snn_get_attributes_shortcode( $atts ) {
    $atts = shortcode_atts( array(
        'name' => '', 
        'count' => 'false' 
    ), $atts, 'snn_get_attributes' );
    
    global $product;
    
    if ( ! is_a( $product, 'WC_Product' ) ) {
        return 'No product found.';
    }

    $attributes = $product->get_attributes();
    
    // Sanitize the attribute name
    $attribute_name = sanitize_title( $atts['name'] );
    
    // Check if it's a custom product attribute
    if ( isset( $attributes[ $attribute_name ] ) ) {
        // Custom product attribute
        $attribute = $attributes[ $attribute_name ];
        
        // Check if the attribute is not empty
        if ( ! empty( $attribute->get_options() ) ) {
            // If count is enabled, return the count of options
            if ( $atts['count'] === 'true' ) {
                return count( $attribute->get_options() );
            }
            
            // Otherwise, return the attribute options
            return implode( ', ', $attribute->get_options() );
        }
    }

    return '';
}

// Register the shortcode [snn_get_attributes name="Width" count="true"]
add_shortcode( 'snn_get_attributes', 'snn_get_attributes_shortcode' );