Delete WooCommerce products with images (attachment)

del_woo_products_with_ attachment.php

<?php

function delete_associated_media( $id ) {
    $media = get_children( array(
        'post_parent' => $id,
        'post_type'   => 'attachment'
    ) );

    if( empty( $media ) ) {
        return;
    }

    foreach( $media as $file ) {
        wp_delete_attachment( $file->ID );
    }
}
add_action( 'before_delete_post', 'delete_associated_media' );