Thanks for your response Fredrik.
I realize that I will need to rename the files from .PHP4 to .PHP and change any references in the files from .PHP4 to .PHP.
The bigger problem that I have is .PHP files are interpreted by PHP3 and .PHP4 files are interpereted by PHP4.
For example, the file 'phpinfo.php4' contains the command phpinfo(). The results in my browser displays "PHP Version 4.0.1pl2"
If I rename the file to 'phpinfo.php', my browser now displays "PHP Version 3.0.14".
Somewhere there is a reference for PWS to use the old PHP3 files to interpret .PHP files.
I can't figure out where this reference is.
Dave