class not found when extending class that implements interface in PHP
<pre><code>&lt;?php

class A extends B {}

class B implements C {}

interface C {}
</code></pre>

<p>the code above throws "Fatal error: Class 'B' not found"...
Is it a php bug? Or?</p>

<p>Environment: "PHP 5.3.6-13ubuntu3.2 with Suhosin-Patch (cli) (built: Oct 13 2011 23:19:13) 
Copyright (c) 1997-2011 The PHP Group
Zend Engine v2.3.0, Copyright (c) 1998-2011 Zend Technologies
    with Xdebug v2.1.0, Copyright (c) 2002-2010, by Derick Rethans
"</p>
