sakura/composer.json

{
    "require": {
        "php": ">=5.4.0",
        "ext-curl": "*",
        "ext-json": "*",
        "twig/twig": "*",
        "phpmailer/phpmailer": "*",
        "paypal/rest-api-sdk-php": "*",
        "jbbcode/jbbcode": "^1.3"
    }
}