Osx-apache
From John Freier
Start Apache in OSX
To start Apache
sudo apachectl start
To stop Apache
sudo apachectl stop
To restart Apache
sudo apachectl restart
To find the Apache version
httpd -v
Enable PHP
sudo vi /etc/apache2/httpd.conf
Use "/" to search and search for 'php' this will land you on the right line then uncomment the line (remove the #):
LoadModule php5_module libexec/apache2/libphp5.so