In a message dated 8/14/2005 2:42:49 A.M. Central Standard Time, rasmus@xxxxxxxxxxx writes: It's rather trivial to test it. Set up a second Apache server with php5 loaded that listens to port 81 or some other port and point it at the same document_root. Then you can switch back and forth by just changing the port number in the URL. Or, if you, or your application, doesn't like having :81 in the url everywhere, you can set up a VirtualHost on your port 80 server just like you set up virtualhosts for anything else and in it add a ProxyPass to port 81. Like this: <VirtualHost *> ServerName name1.yourdomain.com DocumentRoot /var/www/html ... other standard config lines... </VirtualHost> <VirtualHost *> ServerName name2.yourdomain.com DocumentRoot /var/www/html ProxyPass / http://name2.yourdomain.com:81/ </VirtualHost> In your httpd81.conf or whatever you call it you have your regular VirtualHost block for the name2.yourdomain.com. The only real difference is that at the top you have a "Listen 81" line instead of "Listen 80". What about XAMPP? It has a "switch" button that you can switch from PHP 4 to 5 really easy? Just a thought... It's what I use. _http://apachefriends.org/en/_ (http://apachefriends.org/en/) Features: "Apache HTTPD 2.0.54, MySQL 4.1.12, PHP 5.0.4 + 4.3.11 + PEAR + Switch, MiniPerl 5.8.6, Openssl 0.9.7g, PHPMyAdmin 2.6.2-pl1, XAMPP Control Panel 1.0, eAccelerator 0.9.3, Webalizer 2.01-10, Mercury Mail Transport System für Win32 und NetWare Systems v4.01a, FileZilla FTP Server 0.9.8a, SQLite 2.8.15, ADODB 4.63, Zend Optimizer 2.5.7, XAMPP Security. For Windows 98, 2000, XP." - Clint
