Send jQuery object to PHP through Ajax

Question

I'm very aware this is a possible duplicate, but none of the other questions/answers here on Stackoverflow solve my issue, and I've seen dozens!

Here's what I'm trying to do: Send the object in jQuery to PHP through Ajax, if possible as an array (not mandatory, but preferable).

My jQuery code:

  var category = {
        id: $(this).data('id'),
        name: $(this).data('name'),
        brief_description: $(this).data('briefdesc'),
        description: $(this).data('desc')
    };

    $.ajax({url: '/ajax.php',
        data: {action: 'removeCategory', category_info: JSON.stringify(category)},
        type: 'post',
        success: function (result) {
            console.log(result);
        },
    error: function () {
       console.log("Error");  
    }, dataType: "json"
});

The variable category is working fine, every index has its value

Now my ajax.php code

$category = json_decode($_POST['category_info']);
//category['name'] should exist and have the value sent from ajax
echo "We did it?";

The problem is that the error function is called.

@jeroen it is not working, it's running the error function in the ajax call — xickoh
– xickoh, Commented Sep 18, 2017 at 12:09
If the error function is called, can you check in the browser console to see the request status ? — Romi Halasz
– Romi Halasz, Commented Sep 18, 2017 at 12:11
@Harish removing the stringify and the «dataType: json» does solve my issue. How can I mark it as correct? :) Thanks a lot — xickoh
– xickoh, Commented Sep 18, 2017 at 12:30

Hardeep Singh · Accepted Answer · 2017-09-18 12:41:46Z

1

You no need to stringify.

$.ajax({
        url: '/ajax.php',
        data: {
              action: 'removeCategory', 
              category_info:category
        },
        type: 'post',

On PHP side you will get it in $_POST['category_info']. No any need to decode

answered Sep 18, 2017 at 12:41

Hardeep Singh

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1 Comment

xickoh Over a year ago

I actually had tried this before, but the browser cache might have interfered with the javascript code and I wasn't successful. This works though, in fact, not only I do not need to stringify, but if I try to stringify it will cause an error. Thank you!

X A · Accepted Answer · 2017-09-18 12:10:06Z

1

 json_decode($_POST['category_info'], true);

to decode it as array, otherwise it will be object

http://php.net/manual/en/function.json-decode.php

answered Sep 18, 2017 at 12:10

X A

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1 Comment

xickoh Over a year ago

Thank you, I didn't know that. It's not working yet though

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