composer.json

{
    "type": "project",
    "license": "proprietary",
    "require": {
        "php": "^7.1.3",
        "ext-ctype": "*",
        "ext-iconv": "*",
        "symfony/console": "4.2.*",
        "symfony/dotenv": "4.2.*",
        "symfony/flex": "^1.1",
        "symfony/framework-bundle": "4.2.*",
        "symfony/yaml": "4.2.*",

        "apisearch-io/symfony-async-http-kernel": "^0.1",
        "apisearch-io/symfony-react-server": "^0.1",
        "clue/redis-react": "^2.3"
    },
    "config": {
        "preferred-install": {
            "*": "dist"
        },
        "sort-packages": true
    },
    "autoload": {
        "psr-4": {
            "App\\": "src/"
        }
    },
    "autoload-dev": {
        "psr-4": {
            "App\\Tests\\": "tests/"
        }
    },
    "replace": {
        "paragonie/random_compat": "2.*",
        "symfony/polyfill-ctype": "*",
        "symfony/polyfill-iconv": "*",
        "symfony/polyfill-php71": "*",
        "symfony/polyfill-php70": "*",
        "symfony/polyfill-php56": "*"
    },
    "conflict": {
        "symfony/symfony": "*"
    },
    "extra": {
        "symfony": {
            "allow-contrib": false,
            "require": "4.2.*"
        }
    },
    "minimum-stability": "dev",
    "prefer-stable": true
}