Laravel: how to pass GET array to controller?

Question

How to pass array of GET parameters to the controller?

This is my route file routes/web.php:

<?php
use Illuminate\Support\Facades\Route;
use GuzzleHttp\Client;

Route::get('/ids', 'Parser@getIds');

And my controller 'app/Http/Controllers/Parser.php':

<?php

namespace App\Http\Controllers;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;

class Parser extends Controller
{
  public function getIds(Request $request) {
    return response()->json($request); // ???
  } 
}

So, I expect to get an array of parameters like this:

$ids = [1,2,15,25];

But if I pass GET array to my route path: http://example.com/ids?ids[]=1&ids[]=2&ids[]=15&ids[]=25

I get an empty request object anyway:

{"attributes":{},"request":{},"query":{},"server":{},"files":{},"cookies":{},"headers":{}}

The response is fine. The method json return a array encode to json. If you want just return the response. you can do it this: return $request; and this return you request. — gaidyjg
– gaidyjg, Commented Mar 13, 2021 at 22:20
I coded your example and it's working without any error or result is as expected. — MAY
– MAY, Commented Mar 14, 2021 at 2:44
@MAY appreciating your help. I don't know why but I had an empty 'request:{}' object in json response as I described above. And then $ids = request('ids', []); worked fine for me. — mr.incredible
– mr.incredible, Commented Mar 14, 2021 at 4:35

Roman Meyer · Accepted Answer · 2021-03-13 22:14:34Z

1

There is few ways to get data from GET. Try something like that:

$ids = request('ids', []); // global helper, empty array as default

or:

$ids = $request->input('ids', []); // via injected instance of Request

3 Comments

IGP Over a year ago

This is correct, but more specifically, it should be request()->query('ids'); or $request->query('ids') if you are injecting the Request in the method. You can also pass a default value. query('ids', [])

Roman Meyer Over a year ago

request('ids') also works, but it is good notice to pass a default value. it will be helpful in this case.

mr.incredible Over a year ago

Thank you so much. $ids = request('ids', []); works well.

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