I cannot echo the first index of a PHP cURL response

I’m using this little PHP function that I wrote to make calls to my master database:

$db_request = curl_init(DB_ROOT.'/action/register.php');
curl_setopt($db_request, CURLOPT_HEADER, 0);
curl_setopt($db_request, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($db_request, CURLOPT_POSTFIELDS, http_build_query($variables));
$db_response = curl_exec($db_request);
curl_close ($db_request);
        
parse_str($db_response, $information);

On register.php I use the following to respond:

echo http_build_query(array(
    'test1'=>'value1',
    'test2'=>'value2',
    'test3'=>'value3'
));

My problem comes when trying to retrieve the first index of any given response. I can use var_dump($information) and will receive array(3) { ["test1"]=> string(6) "value1" ["test2"]=> string(6) "value2" ["test3"]=> string(6) "value3" }. However, when I try to echo $information['test1'], I receive this: Notice: Undefined index: test1 in....

Echoing anything other than the first index doesn’t give me this problem.

Does anyone have any thoughts?

Answer

parse_str return type is void

Update your code

parse_str($db_response, $information);