title: How can I link to an external OpenCart product page with the same product page ID as my site?
body: <p>I would like to add an external link to the OpenCart product page - it can be anywhere on the page. I just want to link it to the same product page on an external site that has different options.</p>
  
  <p>I tried to define it in the product controller file at breadcumbs but I don't have idea how can I change the default http value via PHP str_replace or something similar.</p>
  
  <pre><code>'href' =&gt; $this-&gt;url-&gt;link('product/product', $url . '&amp;product_id=' . $this-&gt;request-&gt;get['product_id']),
  'href2' =&gt; $this-&gt;url-&gt;link('product/product', $url . '&amp;product_id=' . $this-&gt;request-&gt;get['product_id']),
  </code></pre>
  
  <p>I also tried to place this after the breadcrumb in product.tpl
  like <code>&lt;a href="&lt;?php echo $breadcrumb['href2']; ?&gt;"</code></p>
  
  <p>So this is working slightly - I just need to do the PHP replace or something better on the product page to point to the external domain.</p>