working with XML in PHP
<p>I have an url return an XML page result. When I use this command:</p>

<pre><code>print_r(file($url));
</code></pre>

<p>Its done, but when I use command:</p>

<pre><code>$doc =  load($url);
</code></pre>

<p>after that I :</p>

<pre><code>print_r($doc);
</code></pre>

<p>it out. Its print_r out nothing. I'm quite new in work with XML in PHP someone give advise, please! 
Thank you for your attention!</p>
