emails/api/common/Controller/Base.php

<?php
namespace ProVM\Common\Controller;

use ProVM\Common\Implement\Controller\Json;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;

class Base
{
    use Json;

    public function __invoke(ServerRequestInterface $request, ResponseInterface $response): ResponseInterface
    {
        return $this->withJson($response, [
            'version' => '1.0.0',
            'app' => 'emails'
        ]);
    }
}