Exchange/it exchange set the product id
Sets a global for the current product's id
Looks for paramater. If passed param is a vailid product id, it sets that.
If passed param is false or not a product id, it looks for global $post.
If global $post and passed param are not product ids, it is set to false
<?php it_exchange_set_the_product_id( $product_id=false ); ?>
- integer $product_id