Split of data in PHP object
<p>In the following code, is it possible to spilt the Object <code>$author</code> where <code>white space occurs</code> ? </p>

<pre><code>&lt;?php
$url="http://search.twitter.com/search.rss?q=laugh";
$twitter_xml = simplexml_load_file($url); 

foreach ($twitter_xml-&gt;channel-&gt;item as $key) {
 $a = $key-&gt;{"author"}; 
 echo $a;
}
?&gt;
</code></pre>
