php is not working

[chuck clark]

> <?php
> echo 'hello world';
> ?>
> 
> a place the file in the correct place (/var/www/html/), the same that was discribed on he conf fil from apache.
> I check the file php.conf on the folder /etc/httpd/conf.d/ to b sure that the php module was loaded by apache, but now way... the problem persist

What file extension are you using?  this should be .php unless you
tell php to parse .htm or .html files.