convert js array to php array and check its content

Question

I want to sent a JS array to remote php server and convert it to a php array.
To check if php array is equal to js array I'm trying to get its members inside result div, but without success.

var rlist = ["title1", "title2", "title3"];
var b = JSON.stringify(rlist);
$.ajax({
        url: 'reorder.php',
        type: 'post',
        data: {'b': b},
        success: function(data) {
            $("#result").html(data);
        }
        });

reorder.php

$rlist = json_decode( $_POST['b'], true );
echo $rlist;

That should work, except that you cannot echo an array like that. Try a var_dump() to see the actual contents. — jeroen
– jeroen, Commented Jul 4, 2016 at 10:30
use echo "<pre>"; print_r(json_decode($_POST['b'], true)); in reorder.php. — Akshay Khandelwal
– Akshay Khandelwal, Commented Jul 4, 2016 at 10:31

ddb · Accepted Answer · 2016-07-04 10:33:48Z

1

try to put this code in the reorder.php

$rlist = json_decode( $_POST['b'], true );
foreach ($rlist as $value) {
    echo "<div>" . $value . "</div>";
}

answered Jul 4, 2016 at 10:33

ddb

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Peter · Accepted Answer · 2016-07-04 10:36:32Z

1

You can use json_decode as jQuery ajax submits it's arrays as json.

// Use as object
$json = json_decode($_POST['postdata']);

// Use as
echo $json->seomthign

$json = $_POST['postdata'];

// Output array
echo "<pre>";
var_dump(json_decode($json));
echo "</pre>";

answered Jul 4, 2016 at 10:36

Peter

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