<?php

$username='Rinkana';
$password='test';
$URL='http://127.0.0.1:9000/api/session/status?attributes&members&participants';

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL,$URL);
curl_setopt($ch, CURLOPT_TIMEOUT, 30); //timeout after 30 seconds
curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);
curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
curl_setopt($ch, CURLOPT_USERPWD, "$username:$password");
$status_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);   //get status code
$result=curl_exec ($ch);

curl_close ($ch);

$result = json_decode($result, true);

foreach($result['response']['participants'] as $key => $value) {
    $platzierungen[$key] = $value['attributes']['RacePosition'];
}

array_multisort($platzierungen, SORT_ASC, $result['response']['participants']);

echo json_encode($result);

?>