$file = file_get_contents('http://poloniex.com/public?command=return24hVolume');
$json = json_decode($file, true);

foreach ($json as $coin => $data) {
if($coin == "BTC_BCN"){
print_r($coin);
echo "
";
print_r($data);
$bolunmusRakam = $data['BTC'] / $data['BCN'];
echo "
";
echo $bolunmusRakam;
echo "
";
}
}

?>