$url = 'https://onlinesim.ru/api/getBalance.php?apikey=2db5bc4676967634b8226d685cdcb403';
$JSON = file_get_contents($url);
$degerler = json_decode($JSON, true);
print_r($degerler);
echo $degerler['response'];
Projenize göre ayarlayabilirsiniz
$url = 'https://onlinesim.ru/api/getBalance.php?apikey=2db5bc4676967634b8226d685cdcb403';
$JSON = file_get_contents($url);
$degerler = json_decode($JSON, true);
print_r($degerler);
echo $degerler['response'];