Illegal offset type (ok)

http://blog.com/product

ErrorExceptionIllegal offset typehttp://blog.com/product

True

public function index()
    {
      $products = DB::table('productstest')->get();
      return view('fontend.product.list')->with('products',$products);
    }
  /**

False :(

public function index()
    {
      $products = DB::table('productstest')->get();
      return view('fontend.product.list')->with($products);
    }
  /**

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Validator;
use Input;
use Illuminate\Support\Facades\DB;
class ProductController extends Controller {
  /**
   * Display a listing of the resource.
   *
   * @return \Illuminate\Http\Response
   */
   public function index()
    {
      $products = DB::table('productstest')->get();
      return view('fontend.product.list')->with($products);
    }
  /**
   * Show the form for creating a new resource.
   *
   * @return \Illuminate\Http\Response
   */
  public function create() {
    return view('fontend.product.create');
  }

  /**
   * Store a newly created resource in storage.
   *
   * @param  \Illuminate\Http\Request  $request
   * @return \Illuminate\Http\Response
   */
  public function store(Request $request) {
    $validator = Validator::make($request->all(), [
      'name'       => 'required'
    ]);

    if ($validator->fails()) {
      return redirect('product/create')->withErrors($validator)->withInput();
    } else {
      // Lưu thông tin vào database, phần này sẽ giới thiệu ở bài về database
      $active     = $request->has('active') ? 1 : 0;
      $product_id = DB::table('productstest')->insertGetId(
        array(
          'name'       => $request->input('name'),
          'price'      => $request->input('price'),
          'content'    => $request->input('content'),
          'img_path' => $request->input('image_path'),
          'active'     => $active,
        )
      );
      return redirect('product/create')->with('message', 'Sản phẩm được tạo thành công với ID: ' . $product_id);
    }
  }

  /**
   * Display the specified resource.
   *
   * @param  int  $id
   * @return \Illuminate\Http\Response
   */
  public function show($id) {
    //
  }

  /**
   * Show the form for editing the specified resource.
   *
   * @param  int  $id
   * @return \Illuminate\Http\Response
   */
  public function edit($id) {
    //
  }

  /**
   * Update the specified resource in storage.
   *
   * @param  \Illuminate\Http\Request  $request
   * @param  int  $id
   * @return \Illuminate\Http\Response
   */
  public function update(Request $request, $id)
    {
        $active = $request->has('active')? 1 : 0;
        $updated = DB::table('products')
            ->where('id', '=', $id)
            ->update([
                'name'       => $request->input('name'),
                'price'      => $request->input('price'),
                'content'    => $request->input('content'),
                'image_path' => $request->input('image_path'),
                'active'     => $active,
                'updated_at' => \Carbon\Carbon::now()
                ]);
        return Redirect::back()
            ->with('message', 'Cập nhật sản phẩm thành công')
            ->withInput(); 
    }

  /**
   * Remove the specified resource from storage.
   *
   * @param  int  $id
   * @return \Illuminate\Http\Response
   */
  public function destroy($id) {
    //
  }
}

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