php composer.phar install

{
    "php": ">=7.0",
    "alcaeus/mongo-php-adapter": "^1.1",
    "doctrine/doctrine-bundle": "^1.9",
    "doctrine/doctrine-fixtures-bundle": "3.0.2",
    "doctrine/mongodb-odm": "^1.1.7",
    "doctrine/mongodb-odm-bundle": "^3.4.0",
    "firebase/php-jwt": "^5.0",
    "friendsofsymfony/jsrouting-bundle": "^2.2",
    "friendsofsymfony/oauth-server-bundle": "dev-master",
    "friendsofsymfony/rest-bundle": "^2.3",
    "gedmo/doctrine-extensions": "^2.4",
    "guzzlehttp/guzzle": "^6.3",
    "incenteev/composer-parameter-handler": "^2.1",
    "jms/serializer-bundle": "~2.3",
    "league/omnipay": "^3.0",
    "nelmio/cors-bundle": "^1.5",
    "omnipay/stripe": "dev-patch-1",
    "phramz/doctrine-annotation-scanner": "^1.0",
    "ramsey/uuid": "^3.8",
    "sensio/distribution-bundle": "^5.0.19",
    "sensio/framework-extra-bundle": "^5.1",
    "symfony/assetic-bundle": "^2.8",
    "symfony/cache": "^4.0",
    "symfony/expression-language": "^4.0",
    "symfony/ldap": "^4.1",
    "symfony/monolog-bundle": "^3.1.0",
    "symfony/polyfill-apcu": "^1.0",
    "symfony/swiftmailer-bundle": "^3.2",
    "symfony/symfony": "3.4.*",
    "twig/twig": "^1.0||^2.0"
}