php - Method [all] does not exist in Laravel 5.2 -

just issues bothering me. error in code after validator::make in update function.

badmethodcallexception in controller.php line 107: method [all] not exist.

this full code bookscontroller

<?php  namespace app\http\controllers;  use illuminate\http\request; use illuminate\support\facades\validator; use illuminate\support\facades\input; use illuminate\support\facades\redirect;   use app\http\requests; use app\http\controllers\controller; use app\book;  class bookscontroller extends controller {     /**     * display listing of resource.     *     * @return response     */     public function index()     {         $book = bookscontroller::all();         return view('book.index')->with('book', $book);     }     /**     * show form creating new resource.     *     * @return response     */     public function create()     {         return view('book.create');     }     /**     * store newly created resource in storage.     *     * @return response     */     public function store()     {         $rules = array(             'judul' => 'required',             'author' => 'required',             'penerbit' => 'required'             );         $validator = validator::make(input::all(), $rules);          // process login         if ($validator->fails()) {             return redirect::to('book/create')                 ->witherrors($validator)                 ->withinput(input::except('password'));         } else {             // store             $book = new book;             $book ->judul = input::get('judul');             $book ->author = input::get('author');             $book ->penerbit = input::get('penerbit');             $book ->save();              // redirect             session:flash('message', 'berhasil membuat buku!');             return redirect::to('book');         }     }     /**     * display specified resource.     *     * @param int $idate     * @return response     */     public function show($id)     {         $book = books::find($id);         return view('book.show')         ->with('book', $book);     }     /**     * show form editing specified resource.     *     * @param int $id     * @return response     */     public function edit($id)     {         $book = books::find($id);         return view('book.edit')         ->with('book', $book);     }     /**     * update specified resource in storage.     *     * @param int $id     * @return response     */         public function update($id)     {         $rules = array(             'judul'       => 'required',             'author'      => 'required',             'penerbit'    => 'required'         );         $validator = validator::make(input::all(), $rules);          if ($validator->fails()) {             return redirect::to('book/' . $id . '/edit')                 ->witherrors($validator)                 ->withinput(input::except('password'));         } else {             // simpan             $book = books::find($id);             $book->judul       = input::get('judul');             $book->author      = input::get('author');             $book->penerbit = input::get('penerbit');             $book->save();              // redirect             session::flash('message', 'berhasil mengganti info buku!');             return redirect::to('book');         }     }      /**     *     * @param int $id     * @return response     */     public function destroy($id)     {         $book = books::find($id);         $book ->delete();          //redirect         session::flash('message', 'berhasil menghapus buku!');         return redirect::to('book');     }  } 

try use validator; instead of use illuminate\support\facades\validator;

convert user input::all() input()->all() or request()->all()