Installing PHPUnit on OS X

cd ~/

If is there “wget” command in your system. (You can install via Brew (HomeBrew)).

wget -nc https://phar.phpunit.de/phpunit.phar

or download via cURL

curl -OL https://phar.phpunit.de/phpunit.phar

and then

sudo mv phpunit.phar /usr/local/bin/phpunit
sudo chmod +x /usr/local/bin/phpunit

https://phpunit.de/getting-started.html