Show recently viewed products using shortcode in woocommerce

recently-viewed-products.php

<?php
function recently_viewed_products_shortcode( $atts ) {
    $viewed_products = ! empty( $_COOKIE['woocommerce_recently_viewed'] ) ? (array) explode( '|', wp_unslash( $_COOKIE['woocommerce_recently_viewed'] ) ) : array(); // @codingStandardsIgnoreLine
    $viewed_products = array_reverse( array_filter( array_map( 'absint', $viewed_products ) ) );
    if ( empty( $viewed_products ) ) return;
    $product_ids = implode( ',', $viewed_products );
    // if have some attributes
    $attr = '';
    if( $atts ){
    	foreach ( $atts as $key => $value ) {
    		$attr .= $key ."='" . $value . "' ";
    	}
    }
    return do_shortcode( "[products ids='$product_ids' $attr]" );
}
function callback_woocommerce_init() {
    add_shortcode( 'recently_viewed_products', 'recently_viewed_products_shortcode' );
}
add_action( 'woocommerce_init', 'callback_woocommerce_init' );

Thanks a lot!