Laravel 5.5以降?のbreadcrumbsのdetailの書き方 // [ルート] // routes\breadcrumbs.php Breadcrumbs::for('users.show', function ($trail, $user) { $trail->parent('users.index'); $trail->push('ユーザー詳細', route('users.show', $user->id)); }); // routes\web.php Route::get('users/{user}', 'UserController@show')->name('users.show'); // [コントローラー] // app\Http\Controllers\UserController.php use App\User; ... public function show(User $user) { return view('users.show', ['user' => $user]); } // [ビュー] // resources\views\users\show.blade.php @component('layouts.user')