how to iterate json array

Question

i have an json array

I am using aftership api here to display the tracking details of a courier .

I need to loop the checkpoint array here and display all the tracking stages.

How to loop it .

I tried something like the below .

  <table style="border: 1px solid #CC9933;margin-top:50px;">
    <tr>
        <th class="porders">Date</th>
        <th class="porders">Location</th>
        <th class="porders">Status</th>
        <tr>
     <?php


     for($i=0; $i<count($response5['data']['tracking']['checkpoints']); $i++) {

        echo "<td class=porders>$response5['data']['tracking']['checkpoints'][$i]['created_at']."</td>";
        echo "<td class=porders>$response5['data']['tracking']['checkpoints'][$i]['country_name']."</td>";
        echo "<td class=porders>$response5['data']['tracking']['checkpoints'][$i]['message']."</td>";
    }
     ?>   


    </tr>
  </table>

you don't iterate a "json array". you take json string, decode it to a native data structure, then iterate THAT. and once it's decoded to native, it's not different than any OTHER array/object/whatever. — Marc B
– Marc B, Commented Jul 13, 2015 at 16:19
What's wrong with your code? You could also use foreach instead your for block. — Mindastic
– Mindastic, Commented Jul 13, 2015 at 16:22

glennw · Accepted Answer · 2015-07-13 16:41:11Z

1

use json_decode to move the data to a PHP array.

<?php
$json = '{"a":1,"b":2,"c":3,"d":4,"e":5}';

$my_array = json_decode($json);
foreach ($my_array as $element) {
    print $element . " , ";
}
var_dump($my_array);
?>

answered Jul 13, 2015 at 16:41

glennw

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1 Comment

Evan Darwin Over a year ago

The OP's data is already in a PHP array, he's asking how to iterate through it.

Evan Darwin · Accepted Answer · 2015-07-13 17:37:48Z

1

First of all your $obj is already a decoded array, so there is no need to use the $response5 variable (unless you really want to use it as text).

As for iterating it would look like this:

foreach ($obj['data']['tracking']['checkpoints'] as $key => $checkpoint) {
    foreach($checkpoint as $nodeName => $value) {
        echo '<td class="orders">'.$nodeName.' => '.$value.'</td>;
    }
}

In order to list your coordinates you would need to run foreach on that node again

edited Jul 13, 2015 at 17:37

Evan Darwin

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answered Jul 13, 2015 at 16:37

Auris

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Comments

Chaitanya K · Accepted Answer · 2015-07-13 17:23:30Z

0

   <?php

    foreach ($response5['data']['tracking']['checkpoints'] as $key => $checkpoint) {//as key and value


        echo '<td class="porders">'.$checkpoint['created_at'].'</td>';
        echo '<td class="porders">'.$checkpoint['country_name'].'</td>';
        echo '<td class="porders">'.$checkpoint['message'].'</td>';

}

     ?>

answered Jul 13, 2015 at 17:23

Chaitanya K

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