my .php files can't work!!

[Anon]

I have finished my web in linux+apache+php3,
i put index.htm and display.php into /usr/local/apache/htdocs, when i run index.htm,it\'s ok,but when i run display.php
,it can\'t run, why?
and i received a message:
Fatal error: Failed opening required
\'/usr/local/apache/php/prepend.php3\'
in /usr/local/apache/htdocs/display.php on
line 0.
so what mean fot this?
help me!!

[Anon]

try naming your php script with .php3 ext, if page shows then your php config files need to be changed to allow server to parse php on .php files as well