Remove all before certain delimiter starting at end of string PHP
<p>Hey, I need help isolating part of a url in PHP.</p>

<p>say I have</p>

<p><a href="http://www.test.com/something/something/important/" rel="nofollow">http://www.test.com/something/something/important/</a></p>

<p>How could I isolate the "important"</p>

<p>Thanks!</p>
