{
    "name": "sebastian/environment",
    "description": "Provides functionality to handle HHVM/PHP environments",
    "keywords": ["environment","hhvm","xdebug"],
    "homepage": "http://www.github.com/sebastianbergmann/environment",
    "license": "BSD-3-Clause",
    "authors": [
        {
            "name": "Sebastian Bergmann",
            "email": "sebastian@phpunit.de"
        }
    ],
    "prefer-stable": true,
    "require": {
        "php": "^7.0"
    },
    "require-dev": {
        "phpunit/phpunit": "^6.1"
    },
    "autoload": {
        "classmap": [
            "src/"
        ]
    },
    "extra": {
        "branch-alias": {
            "dev-master": "3.1.x-dev"
        }
    }
}

{
    "name": "sebastian/environment",
    "description": "Provides functionality to handle HHVM/PHP environments",
    "keywords": ["environment","hhvm","xdebug"],
    "homepage": "http://www.github.com/sebastianbergmann/environment",
    "license": "BSD-3-Clause",
    "authors": [
        {
            "name": "Sebastian Bergmann",
            "email": "sebastian@phpunit.de"
        }
    ],
    "prefer-stable": true,
    "require": {
        "php": "^7.0",
        "ext-posix": "*"
    },
    "require-dev": {
        "phpunit/phpunit": "^6.1"
    },
    "autoload": {
        "classmap": [
            "src/"
        ]
    },
    "extra": {
        "branch-alias": {
            "dev-master": "3.1.x-dev"
        }
    }
}

Document the fact that ext/posix is required
Document the fact that ext/posix is required
