多言語化

/resources
    /lang
        /en
            messages.php
        /jp
            messages.php

<?php
return [
    'password' => 'Passwords must be at least six characters and match the confirmation.',
    'reset' => 'Your password has been reset!',
];

Route::get('index/{locale}', function ($locale) {
    App::setLocale($locale);
});

'fallback_locale' => 'en',

{{ __('messages.password') }}

@lang('messages.password')

echo __('messages.password');