Extract specific url from tags with a class name ( php )
<p>I'm trying to get the url inside of these tags : 
I'm a beginner coder , an explanation will be very welcome !</p>

<pre><code>`&lt;a class="classname" onmouseover="montre('element-name');" onmouseout="cache();"     
    href="THIS-IS-THE-URL.html"&gt;something&lt;/a&gt;`
</code></pre>
