click pay now in paypal page update my database too
<p>I have a table to store my credit from user has been paid.</p>

<pre><code>credit
  +id
  +amount
</code></pre>

<p>My goal is when you user click on button <strong>pay now</strong> in paypal page I have abiltity to  update my table the amount field.</p>

<p>Anybody know the ways to do this,</p>

<p>thanks</p>

<p>EDIT: look at this code</p>

<p><a href="http://www.micahcarrick.com/04-19-2005/php-paypal-ipn-integration-class.html" rel="nofollow">http://www.micahcarrick.com/04-19-2005/php-paypal-ipn-integration-class.html</a></p>
