Unable to render php files in browser

I am very new to php, and I am trying to develop a facebook application using php. I am using Joyent as my hosting platform.

Currently, I am trying to do some simple scripts in php and then build on them. However I am unable to see any php files being rendered properly in my application.

For eg: I have a simple script called phpinfo.php:

If I execute this on terminal like php phpinfo.php , I can see all the configurations. However if I try to access the same file as http://xxxxxx.facebook.joyent.us/phpinfo.php, I get : Internal Server Error The server encountered an internal error or misconfiguration and was unable to complete your request.

Even if I rename this file to index.php its still the same. However I am able to access other html files [index.html] on the same location .

These are some of my php settings: These are some of the settings:

[fbkusoni:~/web/public] aafhe7vh$ php phpinfo.php | grep On
allow_url_fopen => On => On
auto_globals_jit => On => On
enable_dl => On => On
file_uploads => On => On
ignore_repeated_errors => On => On
ignore_repeated_source => On => On
implicit_flush => On => On
log_errors => On => On
register_argc_argv => On => On
report_memleaks => On => On
y2k_compliance => On => On
Multibyte regex (oniguruma) backtr开发者_开发技巧ack check => On
mysql.allow_persistent => On => On
session.bug_compat_warn => On => On
session.use_cookies => On => On
suhosin.cookie.cryptdocroot => On => On
suhosin.cookie.cryptua => On => On
suhosin.mt_srand.ignore => On => On
suhosin.protectkey => On => On
suhosin.server.encode => On => On
suhosin.server.strip => On => On
suhosin.session.cryptdocroot => On => On
suhosin.session.cryptua => On => On
suhosin.session.encrypt => On => On
suhosin.srand.ignore => On => On
suhosin.stealth => On => On

The answer might be very naive, but I am just trying to get started and looking for any suggestions regarding this and also using Joyent and cakephp to develop facebook applications.

Thanks.

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Is your script executable (chmod +x phpinfo.php)?

What does the web server error log say?

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PHP may not be installed as an Apache module correctly. You can run it on the command line because that's in CGI mode & doesn't need Apache. Run apachectl configtest to see if there's anything wrong with the Apache configuration.

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Internal Server Error The server encountered an internal error or misconfiguration and was unable to complete your request.

This may indicate a syntax error in your code. Try doing a php -l <filename> from the command line for each of your scipt files to verify that they don't contain any syntax errors