Query Woo products from a specific category, in stock and display in a loop

code.php

<?php

// display the title of the page related
 add_filter('woocommerce_product_related_products_heading', '__return_false' );

// WC query of products of a specific categories and in stock.
$wc_query = wc_get_products( array(
    'post_type' => 'product',
    'post_status'=>'public',
    'tax_query' => array(
            array(
        'taxonomy' => 'product_cat',
        'field'    => 'ids',
        'terms'    => $product_categories,
        'operator' => 'IN',
        )
    ),
    'stock_status'  => 'instock'
) );

// Display products from category by using Related products template file.
wc_get_template(
    'single-product/related.php',
    array(
        'related_products' => $wc_query
    )
);