add to image is galery product

add-to-image.php

<?php

add_action( 'woocommerce_before_shop_loop_item_title', function(){
	if (is_user_logged_in()) {
		global $product;
		 $attachment_ids = $product->get_gallery_image_ids();
		 $attr = ['class'=>'to-image'];
		 echo wp_get_attachment_image(reset($attachment_ids), 'shop_catalog',false, $attr);
	}	

}, 10 );

/* css 
.woocommerce-LoopProduct-link {
    position: relative;
}
.to-image {
    position: absolute;
    top: 0;
    opacity: 0;
     transition: .5s;
}
.woocommerce-LoopProduct-link:hover .to-image{
    opacity: 1;
    transition: .5s;
}