Woocommerce get product cat count

functions.php

<?php

function wp_get_productcat_postcount($id) {

    //return $count;
    $args = array(
      'post_type'     => 'product', //post type, I used 'product'
      'post_status'   => 'publish', // just tried to find all published post
      'posts_per_page' => -1,  //show all
      'tax_query' => array(
        'relation' => 'AND',
        array(
          'taxonomy' => 'product_cat',  //taxonomy name  here, I used 'product_cat'
          'field' => 'id',
          'terms' => array( $id )
        )
      )
    );

    $query = new WP_Query( $args);

    /*
    echo '<pre>';

    print_r($query->post_count);
    echo '</pre>';
    */

    return (int)$query->post_count;

}