How to access an array sent from jquery ajax post in laravel 5?

Question

In my jquery ajax request

$('#form').on('submit', function (e) {

            e.preventDefault();

            $.ajax({
                type: "POST",
                url: "/ajaxpage",
                data:{
                    selected_data: JSON.stringify(selected_data),
                    },
                dataType : 'json',
                success: function( data ) {

                    console.log(data);

                }
            });

        });

In my controller method im trying to access the array which i have sent from ajax by looping like this

namespace App\Http\Controllers;

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

class AjaxController extends Controller
{

    public function postData(Request $request)
    {
        foreach ($request['selected_data'] as $data => $value)
        {
           $user->roles()->attach(role->id, ['pivot_colmumn' => $value]);
        }
    }
}

I think this is not a proper way. For single variable i use $request['var_name'] and it works but for array it gives 500 internal server error. So do i access the array values ?

Huy Nguyễn · Accepted Answer · 2018-01-07 13:28:59Z

3

You should decode your json that sent from ajax request in your controller!

$select_data = json_decode($request->get('select_data'));
foreach($select_data as $key => $value){}

answered Jan 7, 2018 at 13:28

Huy Nguyễn

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Comments

LegoBoy · Accepted Answer · 2018-01-07 09:38:43Z

1

you can fix by add token for ajax setup:

In addition to checking for the CSRF token as a POST parameter, the VerifyCsrfToken middleware will also check for the X-CSRF-TOKEN request header. You could, for example, store the token in a HTML meta tag:

<meta name="csrf-token" content="{{ csrf_token() }}">

Then, once you have created the meta tag, you can instruct a library like jQuery to automatically add the token to all request headers. This provides simple, convenient CSRF protection for your AJAX based applications:

$.ajaxSetup({
    headers: {
        'X-CSRF-TOKEN': $('meta[name="csrf-token"]').attr('content')
    }
});

https://laravel.com/docs/5.5/csrf

answered Jan 7, 2018 at 9:38

LegoBoy

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1 Comment

Raj Over a year ago

I have done all that. only problem is that i dont know how to access array in laravel

Raj · Accepted Answer · 2018-01-07 10:18:36Z

0

I was actually using JSON.stringify(selected_data) in jquery ajax post request which actually converts it into a string.

So i need to use json_decode() to get an array then i can simply loop through it as usual.

answered Jan 7, 2018 at 10:18

Raj

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Comments

Hamid Haghdoost · Accepted Answer · 2018-01-07 11:19:59Z

0

For access to data that send from ajax request and convert it to array, you can do something like this in your controller :

foreach(json_decode($request->selected_data) as $data)
{
    dd($data)
}

answered Jan 7, 2018 at 11:19

Hamid Haghdoost

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Comments

user3756741 · Accepted Answer · 2018-01-07 22:06:08Z

0

You are trying to access the request object as an array when the request object is an object. Instead of using [ ] use ->.

answered Jan 7, 2018 at 22:06

user3756741

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Comments

Etibar · Accepted Answer · 2021-07-29 05:47:26Z

0

did your mean $request->var_name and $request->all() ?

Laravel request returns collection

edited Jul 29, 2021 at 5:47

answered Jan 7, 2018 at 11:24

Etibar

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