To view the php version:
php -v
To view the installed php modules:
php -m
To enter an interactive shell:
php -a
To view phpinfo() information:
php -i
To locate the system's php.ini files:
php -i | grep "php.ini"
To start a local webserver for the cwd on port 3000 (requires php >= 5.4):
php -S localhost:3000
