How can I tell not to add any PHP files

[smartcard]

Is there a way in robot.txt I can configure the search engines not to index any PHP files?

[Little_G]

Hi,

No, try robots meta tags.

Andrew

[Dijkgraaf]

You would either have to put all of those pages in a directory that you disallow, or have a naming convention so that they all start with a certain string that you could disallow.

Only a few search engines allow you to use file extension wildcards, so the above options would be much safer.