foreach loop nested array json php

Question

How do I loop through the array to get the "converted_amount" values?

stdClass Object
(
[rows] => Array
    (
        [0] => stdClass Object
            (
                [components] => Array
                    (
                        [0] => stdClass Object
                           (
                                [amount] => 5033298.132349431
                                [count] => 1337
                                [rate] => 3.1398800
                                [converted_amount] => 1603021.9952863243
                            )

                        [1] => stdClass Object
                            (
                                [amount] => 458673.0026585825
                                [count] => 325
                                [rate] => 0.45260800
                                [converted_amount] => 1013400.4157520011
                            )

I have tried a foreach like this but it doesn't work. I think there should be something in-between components and converted_amount - maybe another foreach? I'm not sure.

foreach ($getexvolume as $vol) {
echo $vol['rows'][0]['components']['converted_amount'];}

Dunno if it will help, but your echo should be $vol->rows[0]->components[0]->converted_amount as far as I can tell. — Jonnix
– Jonnix, Commented Oct 23, 2018 at 13:31

Maksym Fedorov · Accepted Answer · 2018-10-23 13:59:45Z

1

You have an object instead if array. You must work with data as an object...

foreach ($getexvolume->rows as $row) {
    foreach ($row->components as $component) {
       echo $component->converted_amount;
    }
}

edited Oct 23, 2018 at 13:59

answered Oct 23, 2018 at 13:32

Maksym Fedorov

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3 Comments

Vikki Over a year ago

Thank you - this looks right but for some reason it's not echoing anything - it's blank

Maksym Fedorov Over a year ago

@Vikki, attach var_dump of $getexvolume variable, please

Vikki Over a year ago

object(stdClass)#1137 (3) { ["result"]=> string(7) "success" ["count"]=> int(1) ["rows"]=> array(1) { [0]=> object(stdClass)#1136 (6) { ["components"]=> array(33) { [0]=> object(stdClass)#1135 (6) { ["base"]=> object(stdClass)#1134 (2) { ["currency"]=> string(3) "CNY" ["issuer"]=> string(34) "rPT74sUcTBTQhkHVD54WGncoqXEAMYbmH7" } ["counter"]=> object(stdClass)#1133 (1) { ["currency"]=> string(3) "XRP" } ["amount"]=> string(17) "5033298.132349431" ["count"]=> int(1337) ["rate"]=> string(9) "3.1398800" ["converted_amount"]=> string(18) "1603021.9952863243" }

pr1nc3 · Accepted Answer · 2018-10-23 13:34:20Z

0

   echo $vol->rows[0]->components[0]->converted_amount;

You are mixing array and object. Your output is an object so you have to access it like one otherwise if you want to treat it like an array you have to convert it to an array. As for now you can use the above code.

A better solution which i think fits your problem is that you loop around your nested array like:

foreach($vol->rows[0]->components as $data){
echo $data->converted_amount;
}

edited Oct 23, 2018 at 13:34

answered Oct 23, 2018 at 13:31

pr1nc3

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Comments

Shehzad · Accepted Answer · 2018-10-23 13:35:22Z

0

Try this:

foreach ($getexvolume->rows[0]->components as $vol) {
       echo $vol->converted_amount;
}

answered Oct 23, 2018 at 13:35

Shehzad

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Comments

David · Accepted Answer · 2018-10-23 13:42:54Z

0

The object you have is a mix of Arrays and Objects. Arrays can be addressed as $array['value'] but Objects must be addressed as $object->value.

echo $vol->rows[0]->components[0]->converted_amount;

However since you have multiple components, you will need a nested loop:

foreach ($getexvolume as $vol)
{
  foreach($vol->rows as $row)
  {
    foreach($row->component as $component)
    {
      echo $component->converted_amount;
    }
  }
}

(pseudocode - not tested).

Ideally the variable would be normalised as a multidimensional array or nested object first so you don't have to worry about syntax.

answered Oct 23, 2018 at 13:42

David

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