How to get values from an array, inside another array, with stdClass Objects?

Question

I'm trying to get the values from [iso_3166_1] and [title] in an array, which is inside another array.

I have searched and tried several solutions and tips, but none of them works, and now I'm stuck.

The content is fetched like this

$content = json_decode($jsonFile);

Then I have the following content

stdClass Object (
    [id] => 508947 [titles] => Array (
         [0] => stdClass Object ( [iso_3166_1] => FR [title] => Devenir rouge [type] => )
         [1] => stdClass Object ( [iso_3166_1] => MX [title] => Red [type] => )
         [2] => stdClass Object ( [iso_3166_1] => LV [title] => Es sarkstu [type] => )
         [3] => stdClass Object ( [iso_3166_1] => NO [title] => Rød [type] => )
         [4] => stdClass Object ( [iso_3166_1] => SE [title] => Röd [type] => )
         [5] => stdClass Object ( [iso_3166_1] => PE [title] => Red [type] => )
    )
)

I have tried to make a foreach loop like this for instance, but that only gives me Warning: Invalid argument supplied for foreach():

foreach($content as $row) {
    foreach($row['titles'] as $country) {
        echo $country['iso_3166_1']['title'];
   }
}

I have also tried tho following, to try get rid of the stdClass Objects in the array, which does not seem to work either:

$content = json_decode(json_encode($content), true);
$content = (array)$content;

You've misread your output. $content is not an array, but already an object. You have one loop in excess foreach($content['titles'] as $country) { ... } — Cid
– Cid, Commented Mar 28, 2022 at 9:09
btw, $content = json_decode($jsonFile); $content = json_decode(json_encode($content), true); is overkill, just do $content = json_decode($jsonFile, true);, this is enough — Cid
– Cid, Commented Mar 28, 2022 at 9:11
try foreach ($content->titles as $country) { echo $country->iso_3166_1, $country->title; } — Nick
– Nick, Commented Mar 28, 2022 at 9:21

Ersin · Accepted Answer · 2022-03-28 09:22:14Z

1

this should work for you to compare & understand why your code fails.

$titles = $content->titles;

foreach ($titles as $country_instance) {
    echo $country_instance->iso_3166_1;
    echo '-';
    echo $country_instance->title;
    echo '<br>';
}

answered Mar 28, 2022 at 9:22

Ersin

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adrianp · Accepted Answer · 2022-03-28 09:13:51Z

1

If I understand the question right, json_decode associative mode should return arrays of arrays from your JSON.

$array = json_decode($json, true);

You can also try using flag JSON_OBJECT_AS_ARRAY but from what I've read it only does something when null is supplied as the second argument.

edited Mar 28, 2022 at 9:13

answered Mar 28, 2022 at 9:07

adrianp

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