Call a PHP function from the command line

Question

I have a file called address.php with a few functions in it. I want to call a specific function in that file from the command line. How?

The name of the function is

Answer 1

Use

php  -r 'include  "/var/www/test/address.php";exportAddress(1);'

where "/var/www/test/arr.php" is the file name, including path, and exportAddress() is a function inside that file.