$string = file_get_contents("https://creativecommons.tankerkoenig.de/json/prices.php?ids=cab5b392-0195-4f76-bc7e-941e5860d278&apikey=bd7ebe88-797e-983d-cfa4-4d7de06ebc19");
$daten = json_decode($string);
var_dump($daten);