Processing Multidimensional JSON Array with PHP

Question

This is the json that deepbit.net returns for my Bitcoin Miner worker. I'm trying to access the workers array and loop through to print the stats for my [email protected] worker. I can access the confirmed_reward, hashrate, ipa, and payout_history, but i'm having trouble formatting and outputting the workers array.

{
 "confirmed_reward":0.11895358,
 "hashrate":236.66666667,
 "ipa":true,
 "payout_history":0.6,
 "workers":
    {
      "[email protected]":
       {
         "alive":false,
         "shares":20044,
         "stales":51
       }
    }
}

Thank you for your help :)

raina77ow · Accepted Answer · 2012-02-27 20:17:17Z

21

I assume you've decoded the string you gave with json_decode method, like...

$data = json_decode($json_string, TRUE);

To access the stats for the particular worker, just use...

$worker_stats = $data['workers']['[email protected]'];

To check whether it's alive, for example, you go with...

$is_alive = $worker_stats['alive'];

It's really that simple. )

answered Feb 27, 2012 at 20:17

raina77ow

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1 Comment

Firouziam Over a year ago

Thanks man, json_decode($json_string, TRUE) did the trick. Second parameter did the magic!

connec · Accepted Answer · 2012-02-27 20:19:32Z

4

You can use json_decode to get an associative array from the JSON string.

In your example it would look something like:

$json = 'get yo JSON';
$array = json_decode($json, true); // The `true` says to parse the JSON into an array,
                                   // instead of an object.
foreach($array['workers']['[email protected]'] as $stat => $value) {
  // Do what you want with the stats
  echo "$stat: $value<br>";
}

answered Feb 27, 2012 at 20:19

connec

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Comments

Cyril N. · Accepted Answer · 2012-02-27 20:16:17Z

3

Why don't you use json_decode.

You pass the string and it returns an object/array that you will use easily than the string directly.

To be more precise :

<?php
$aJson = json_decode('{"confirmed_reward":0.11895358,"hashrate":236.66666667,"ipa":true,"payout_history":0.6,"workers":{"[email protected]":{"alive":false,"shares":20044,"stales":51}}}');
$aJson['workers']['[email protected]']; // here's what you want!
?>

answered Feb 27, 2012 at 20:16

Cyril N.

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Comments

AndreKR · Accepted Answer · 2012-02-27 20:17:51Z

2

$result = json_decode($json, true); // true to return associative arrays
                                    // instead of objects

var_dump($result['workers']['[email protected]']);

answered Feb 27, 2012 at 20:17

AndreKR

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