Shortcode for 'Product image url' by 'Product id' - WooCommerce

Shortcode for 'Product image url' by 'Product id' - WooCommerce

// Shortcode for 'Product image url' by 'Product id': [yl_product_image_url] id=''
function yl_product_image_url_shortcode($atts) {
    $atts = shortcode_atts( array(
        'id' => null,
    ), $atts );

    if (intval( $atts['id'] ) > 0 && function_exists('wc_get_product')) {
	$_product	= wc_get_product($atts['id']);
	$image_id	= $_product->get_image_id();
	$output		= wp_get_attachment_image_url($image_id, 'full');
    }
    return $output;
}

add_shortcode( 'yl_product_image_url', 'yl_product_image_url_shortcode' );