Install PhpUnit globally with Composer

composer.json

{
	"name": "phpunit",
	"description": "PHPUnit Composer Package",
	"require": {
		"phpunit/phpunit": "3.7.*"
	},
	"config": {
		"bin-dir": "/usr/local/bin/"
	}
}

install.sh

#!/bin/bash

if [ "$(id -u)" != "0" ]; then
	echo "This script must be run as root" 1>&2
	exit 1
fi

mkdir -p /usr/local/lib/phpunit
mv composer.json /usr/local/lib/phpunit
cd /usr/local/lib/phpunit

if [ `which composer` ]; then
	composer install
else
	if [ ! -f './composer.phar' ]; then
		curl -sS https://getcomposer.org/installer | php
	fi
	php composer.phar install
fi