Setting Up PHP4 and PHP5 together on Windows XP.  Both using C:\PHP5\php.ini.

I'm trying to get PHP4 and PHP5 both running on XP.  I have PHP4 running but it is using the the following php.ini: "c:\PHP5\php.ini".

I've tried putting the php.ini path in the registry and restarting IIS but there is no change.

There is no php.ini in the c:\windows directory.

How do I get PHP4 to use the c:\PHP4\php.ini and PHP5 to use the c:\PHP5\php.ini?


*********  Results of phpinfo() ***************
System  Windows NT ACTIONSLACKS64 5.1 build 2600  
Build Date  May 4 2007 13:29:21  
Server API  ISAPI  
Virtual Directory Support  enabled  
Configuration File (php.ini) Path  C:\PHP5\php.ini  
PHP API  20020918  
PHP Extension  20020429  
Zend Extension  20050606  
Debug Build  no  
Zend Memory Manager  enabled  
Thread Safety  enabled  
Registered PHP Streams  php, http, ftp, compress.zlib  
**************************************************************

*******   Contents of HKEY_LOCAL_MACHINE\SOFTWARE\PHP ************
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SOFTWARE\PHP]
"InstallDir"="c:\\PHP4"
"ApacheDir"="C:\\"
"IniFilePath"="c:\\php4"

[HKEY_LOCAL_MACHINE\SOFTWARE\PHP\5]
"IniFilePath"="c:\\php5"
**************************************************************

*************** Path ***************************************
PATH=C:\Perl\site\bin;
C:\Perl\bin;
C:\PROGRA~1\GTK\bin;
C:\Perl\bin\;C:\Program Files\Windows Resource Kits\Tools\;
C:\WINDOWS\system32;
C:\WINDOWS;
C:\WINDOWS\System32\Wbem;
C:\WINDOWS\Microsoft.NET\Framework\v1.1.4322;
C:\Program Files\Microsoft SQL Server\80\Tools\Binn\;
C:\Python24;
c:\Program Files\Microsoft SQL Server\90\Tools\binn\;
[INSTALLDIR;"C:\Program Files\Zone Labs\ZoneAlarm\MailFrontier";;C:\
Program Files\Windows Imaging\;
c:\php4;
C:\PHP4\extensions;
c:\PHP5;
C:\PHP5\ext;
C:\Program Files\OpenVPN\bin
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