Laravel / Lumen json options for response using middleware. Used for returning unescaped utf-8 unicode response.

UnescapedJsonMiddleware.php

<?php

namespace App\Http\Middleware;

use Closure;

class UnescapedJsonMiddleware
{
    public function handle($request, Closure $next)
    {
        $data = $next($request);
        $data->setEncodingOptions(JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
        return $data;
    }
}