Configuration: copy c:php3php3.ini-inst to php3.ini and modify
to find dic_root=xxxx and change it to dic_root=c:inetpubwwwroot
to find extension_dir=./ and change it to extension_dir=c:php3
Copy php3.ini to c:windows
Modify regedit.exe: hkey_local_machine/system/CurrentControlSet/services/W3Svc/Parameters/ScriptMap, right-click ScriptMap, create a new string value, and enter the extension used by the PHP3 script program, such as: .php3. Enter the new string value: c:php3php.exe %s %s. In the same way, create two strings ".php" and ".phtm3".
Create a new primary key .php3 under hkey_classes_root; set the default key value in the right column to phpfile. Similarly, create a new primary key phpfile under
hkey_classes_root of ".php", ".phtm3" and set the default key value in the right column Set it to phpScript; do phpfile-shell-open-command again, and set the default key value in the right column to c:php3php.exe %1.
Put the php3 file into C:inetpubwwwroot and run it!