Return multiple values from jquery ajax call to php

Question

I am trying to return multiple values from a php process.

Here is the jQuery function

$.ajax({
    url: 'shopping_cart_add.php',
    data: 'item_id='+subscription_id+'&item_name='+subscription_name+'&item_price='+subscription_price,
    type: 'POST',
    dataType: 'json',
    success: function(response, statusText) {
                var qty = response.item_quantity;
                $("#shopping-cart-quantity").html(qty);
    }
});

The above seems to work except I can't retrieve the specific field values from the returned JSON.

When I try this...

var qty = response.item_quantity;
$("#shopping-cart-quantity").html(qty);

Nothing happens.

If I change...

$("#shopping-cart-quantity").html(qty);

to

$("#shopping-cart-quantity").html(response);

I get the following...

{ 'account_id': '1', 'item_id' : 'cce3d2a017f6f1870ce8480a32506bed', 'item_name' : 'CE', 'item_quantity' : '1', 'item_price' : '1' }

Does response have a responseJSON property that has the object you're looking for? — Scott
– Scott, Commented Sep 28, 2015 at 19:26
@ScottKaye Since he's using dataType: 'json', response is already parsed, it's not the XHR. — Barmar
– Barmar, Commented Sep 28, 2015 at 19:28
Your JSON is incorrect. Strings must be contained in double quotes, not single quotes. You have a bug in your PHP script, it's not calling json_encode() to encode the response. — Barmar
– Barmar, Commented Sep 28, 2015 at 19:29

dhi_m · Accepted Answer · 2015-10-09 11:35:00Z

1

Please make sure that you are using json_encode() for returning result array

/*** PHP ***/
echo json_encode($resultArr); exit ;

And in AJAX try with eval() to access response text value .

/*** AJAX ***/
var qty = eval(response.item_quantity);

answered Oct 9, 2015 at 11:35

dhi_m

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