Referencing a certain section of a script
<p>I am sending out a request to a site, which needs a returning URL. Once that returning URL is put in, I'd like to run this particular section of my code.</p>

<p>How do I do this?</p>

<p>I have tried the return URL as :</p>

<pre><code>file.php?auth=true
</code></pre>

<p>and </p>

<pre><code>if($_GET['auth'] == 'true') {
 Do Something
}
</code></pre>

<p>But the previous page appears to load.</p>

<p>Is there any other way to do it?</p>
