lighttpd forum php-shell > Fatal error: Class 'ReflectionClass' not found in /usr/share

It seems that this bug pops up when you try to use '?' on a class you 
defined yourself:


# /usr/bin/php-shell.sh
PHP-Shell - Version 0.3.1, with readline() support
(c) 2006, Jan Kneschke <jan@kneschke.de>

>> use '?' to open the inline help 

>> class A {}

>> ? A

Fatal error: Class 'ReflectionClass' not found in 
/usr/share/php/PHP/Shell/Extensions/InlineHelp.php on line 99