pass data from view to controller in larave code example

Example 1: passing data from controller to blade view laravel

<?php
namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;

   class EventController extends Controller
{

public function index(Request $request)
{
    $id = $request->query('id');
    $event = DB::table('events')->where('id',$id)->get();
    $pics = DB::table('pictures')->where('event_id',$id)->get();

return view('pages.eventPage',compact('event','pics'));

}

}

Example 2: passing data from controller to blade view laravel

@for($i = 1; $i < count($pics); $i++)
<li data-target="#carousel-example-generic" data-slide-to="{{ $i }}"></li>
@endfor