PHP-如何将数组编码为json并将其发送回

Question

Allow me to preface this by saying that I looked at multiple SO posts on this and I am still lost.

So in my php code I am fetching data from my database and then I am trying to insert it into an array as follows:

$arrayResult = array();

        foreach ($result as $item) {
            array_push($arrayResult, array("type" => $item['type'],
                                           "count" => $item['count'])
            );

        }

        echo json_encode($arrayResult);

My problem is as follows, the only time my JS shows any data is when I just print out the data on a successful AJAX call, any attempts at manipulating it fail totally. As in, no data shown at all.

var arrayResult = null;

    $.get("../php/displayGraph.php",

        function (data) {

            arrayResult = (data);
            var result = JSON.parse(arrayResult);

            $("#results").html(arrayResult);
            //$("#results").html(JSON.parse(arrayResult));


        }
    );

The result of this is:

[{"type":"Entertainment","count":"4"},{"type":"Other","count":"31"},{"type":"Politics","count":"50"},{"type":"Sports","count":"3"},{"type":"Technology","count":"9"}]

I am honestly at a loss in terms of what I even need to do to make it work. And here I thought java was bad with json.

Answer 1

Try like this,

$.get("../php/displayGraph.php",

    function (data) {
        $.each(data, function (i,item){
            console.log(item.type + " === " +item.count);
        } 
        /*arrayResult = (data);
        var result = JSON.parse(arrayResult);*/

        //$("#results").html(arrayResult);
        //$("#results").html(JSON.parse(arrayResult));


    }
);

Answer 2

Not sure why, but the following works

$.get("../php/displayGraph.php",
        function (data) {
            var result = JSON.parse(data);
            $("#results").html(data);
            console.log(result[1][0].count);
        }
    );

Certainly is a 2D array the way my php makes it, but i did not think this would be how to do as all the other tutorials i saw never had it like this.