WooCommerce ShortCode Sort by Price

functions.php

/* Add this to functions.php */
 add_filter( 'woocommerce_shortcode_products_query', 'woocommerce_shortcode_products_orderby' );

    function woocommerce_shortcode_products_orderby( $args ) {

        $standard_array = array('menu_order','title','date','rand','id');

        if( isset( $args['orderby'] ) && !in_array( $args['orderby'], $standard_array ) ) {
            $args['meta_key'] = '_price';
            $args['orderby'] = 'meta_value_num';
            $args['order'] = 'asc'; /* Replace DESC or ASC for highest to lowest */
        }

        return $args;

    }