how to register user clicked on link ads
<p>I want to register user clicked on ads and save users info to database without change ads operation.</p>

<pre><code>&lt;div&gt;
&lt;a&gt;ads link&lt;/a&gt;  // without modify ads
&lt;a&gt;ads link&lt;/a&gt;
&lt;a&gt;ads link&lt;/a&gt;
&lt;a&gt;ads link&lt;/a&gt;
&lt;/div&gt;
</code></pre>

<p>how to update user info to database before load link ads.</p>

<p>Please help.</p>
