Laravel Translations Array to JSON

laravel-translations.php

public function getTranslations()
    {

        $dir = '../resources/lang/en';
        $files = array_diff(scandir($dir), array('.', '..'));

        $callback = function($element) {
            return explode(".", $element)[0];
        };

        $fileNames = array_map($callback, $files);

        $responseArray = [];

        foreach ($fileNames as $fileName){
            $responseArray[$fileName] = Lang::get($fileName);
        }

        return response()->json($responseArray);
    }