How to retrieve post data form ajax request on symfony 4?

Question

I'm setting up a form. All data are retrieved on js file. How can I send this data to a symfony controller ?

I have tried : $request->get('values'); and $request->request->all(); but none of this actually works.

Controller PHP :

    /**
     * @Route("/dem", name="dem")
     */
    public function index(Request $request)
    {
       if (isset($request->isXmlHttpRequest())) {
          dump(json_decode($request->get('values')));
       }
       return $this->render('dem/index.html.twig');
    }

JS File :

   console.log(values) // response: json of an array of elements 
   $.ajax({
      method: "POST",
      url: url,
      data: {values: values},
      success: data => {
         console.log('data : ');
         console.log(data);
      }
   });

HTML Form :

    <form id="dem" name="dem" action="{{ path('dem') }}" method="POST" class="w-75 m-auto">

I expect an output of my array of elements

Thx all :}

try to display -- dump(json_decode($request->request->get('values'))); — abderrahime sanadi
– abderrahime sanadi, Commented Apr 26, 2019 at 14:31

jibeeeee · Accepted Answer · 2019-04-26 14:23:31Z

2

Maybe you can use $request->getContent();, it return the raw json of your request. After you have to unserialize it.

$parametersAsArray = [];
if ($content = $request->getContent()) {
    $parametersAsArray = json_decode($content, true);
}

answered Apr 26, 2019 at 14:23

jibeeeee

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4 Comments

Jules Liegeois Over a year ago

Good idea, i just tried that but no result $request->getContent() is empty

jibeeeee Over a year ago

If you add to your request this HEADER 'Content-Type': 'application/json'

Jules Liegeois Over a year ago

where do you want to add this line ? before the dump ?

jibeeeee Over a year ago

in your js file

Mitesh Vasava · Accepted Answer · 2019-04-29 04:04:52Z

1

Your code seems correct in controller. Although, you have to do some minor changes in your js file:

$.ajax({
                        url: url,
                        data: {
                            values: values
                        },
                        type: 'POST',
                        dataType: "json",
                        success: function (data) {
                           console.log('data : ');
                           console.log(data);
                        }

answered Apr 29, 2019 at 4:04

Mitesh Vasava

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