jQuery Ajax POST JSON issue

Question

I'm trying to pass a JavaScript array into a PHP script to then be put into a database but I'm having issues. I have used JSON.stringify on the array before sending. The request seems to work in that when stepping through the code debugging the php page is called but no data is passed into the POST global. I'm sure its something amateurish that I've missed but I'm struggling. This is the code:-

$.ajax({
    type: "POST",
    datatype: "json",
    url: "processdraw.php",
    data: {
        json: pDrawnTeams
    },
    contentType: "application/json; charset=utf-8",
    success: alert('worked')
})

I've changed POST to GET & now it works. I thought i understood the difference between the two but i'm not sure why this has made the difference. Can anybody educate me? Ta — sthubbins
– sthubbins, Commented May 12, 2015 at 20:02
@sthubbins, when you say you "changed POST to GET", do you mean the type property of the AJAX call in the JavaScript code? If so, then you may not be checking the right global variable in the PHP code. Can you post the PHP code as well? — Lee Jenkins
– Lee Jenkins, Commented May 12, 2015 at 20:44

Mollo · Accepted Answer · 2015-05-13 00:48:38Z

1

If you are not getting any error in your javascript, make sure that you are getting that parameter like this in your php target file:

$myJSON = $_POST['json']; // ['parameter name']

after that you will need to decode that json

$myData = json_decode($myJSON, true) // true is for retrieving as an array

edited May 13, 2015 at 0:48

answered May 13, 2015 at 0:39

Mollo

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