Not if you have PHP compiled into Apache - Apache parses the code and then sends off the requested document to yon browser. Or, of course, if you have the code in a doc with an extension that php is not told to handle, eg script.txt
If PHP was set up correctly, there should be this line in your httpd.conf (that's the apache configuration file):
AddType application/x-httpd-php .php
Which tells Apache to parse files with these extensions for php code.
HOWEVER! If PHP was (foolishly) not compiled into Apache, it won't parse it at all - no matter what you set up.
You have far to go, grasshopper. I recommend you start at http://www.php.net/manual/en/introduction.php
And go from there 🙂
You're lucky you posted to a php builder forum; had you posted a similair type question on say, Perl, in a Perl forum, steaming globs of sarcasm would be dripping from the flaming-hot replies.