Is a global PHP CONSTANT available inside of a Class file?

[Royalpain]

Is a global PHP CONSTANT available inside of a Class file?\[code\]define('SITE_PATH', 'C:/webserver/htdocs/somefolder/');\[/code\]Then in my class file I try this \[code\]public $debug_file = SITE_PATH. 'debug/debug.sql';\[/code\]This does not seem to work though, \[quote\] Parse error: parse error, expecting \[code\]','' or\[/code\]';'' in C:\webserver\htdocs\somefolder\includes\classes\Database.class.php on line 21\[/quote\]