3v4l.org

run code in 300+ PHP versions simultaneously
<?php $apikey='6b00538440c940329fe5ee6f96c6b263'; $apisecret='912a4bbd4714996afb8921f75b43c9d'; $nonce=1434405875; $uri='https://bittrex.com/api/v1.1/account/getbalances?apikey='.$apikey.'&nonce='.$nonce; echo $uri; $sign=hash_hmac('sha512',$uri,$apisecret); echo $sign; ?>

preferences:
49.62 ms | 402 KiB | 5 Q