sb@ZendServer:~/xdebug-2.1.0$ php -v
PHP 5.3.3 (cli) (built: Aug 24 2010 14:16:22)
Copyright (c) 1997-2010 The PHP Group
Zend Engine v2.3.0, Copyright (c) 1998-2010 Zend Technologies
    with Xdebug v2.1.0, Copyright (c) 2002-2010, by Derick Rethans
    with Zend Extension Manager v5.1, Copyright (c) 2003-2010, by Zend Technologies
    - with Zend Data Cache v4.0, Copyright (c) 2004-2010, by Zend Technologies [loaded] [licensed] [disabled]
    - with Zend Download Server v1.5.0, Copyright (c) 1998-2010 Zend Technologies Ltd., by Zend Technologies [loaded] [licensed] [disabled]
    - with Zend Job Queue v4.0, Copyright (c) 2004-2010, by Zend Technologies [loaded] [not licensed] [enabled]
    - with Zend Session Clustering v4.0, Copyright (c) 2004-2010, by Zend Technologies [loaded] [licensed] [enabled]
    - with Zend Utils v1.0, Copyright (c) 2004-2010, by Zend Technologies [loaded] [licensed] [enabled]
    - with Zend Optimizer+ v4.1, Copyright (c) 1999-2010, by Zend Technologies [loaded] [licensed] [disabled]
    - with Zend Code Tracing v1.0, Copyright (c) 2009-2010, by Zend Technologies [loaded] [not licensed] [disabled]
    - with Zend Monitor v4.1, Copyright (c) 1999-2010, by Zend Technologies [loaded] [licensed] [disabled]
    - with Zend Debugger v5.3, Copyright (c) 1999-2010, by Zend Technologies [loaded] [licensed] [enabled]
    - with Zend Page Cache v4.0, Copyright (c) 2004-2010, by Zend Technologies [loaded] [licensed] [disabled]