passing data from controller to blade view laravel

Question

I am trying to send parameters through a href to a page from an events list to an event page.

My route is

 Route::get('eventpage', 'EventController@index')->name('eventpage');

And my event Controller is

<?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();
    $n = count($pics); // the number of pictures for a particular event
    return view('pages.eventPage');
}

}

The trouble is that for the first variable I try to use, $n, it gives me an error, "Undefined variable: n "

My blade code is as follows

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

What am I doing wrong?

there are a lot of questions that explains this, typing your question title will lead you to a tons of similar questions. — hassan
– hassan, Commented Apr 8, 2017 at 10:59
i figured, I just didn't know how to formulate it until I already wrote the question, so I let it be... — Ileana Profeanu
– Ileana Profeanu, Commented Apr 8, 2017 at 11:08
Does this answer your question? Passing data from controller to view in Laravel — steven7mwesigwa
– steven7mwesigwa, Commented Jan 23, 2023 at 16:20
@steven7mwesigwa my question is so old, I don't even work with laravel anymore haha — Ileana Profeanu
– Ileana Profeanu, Commented Feb 3, 2023 at 10:58

Karthik · Accepted Answer · 2017-04-08 10:58:49Z

5

route

 Route::get('eventpage', 'EventController@index')->name('eventpage');

event Controller

<?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'));

}

}

blade code

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

answered Apr 8, 2017 at 10:58

Karthik

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Comments

Amr Aly · Accepted Answer · 2017-04-08 10:58:55Z

1

You can pass your data to your view like that:

public function index(Request $request)
{
  ....

  return view('pages.eventPage', compact('id', 'event', 'n'));
}

answered Apr 8, 2017 at 10:58

Amr Aly

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