3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $str = 'POST\n/auth/token\nproject=xRxyG0P5&ai=95335e7caf2f6a92&tm=1513574899'; $key = 'e68c202f73c54468b9822c843b320d34'; $signature = hash_hmac("sha256", $str, $key, false); function String2Hex($string){ $hex=''; for ($i=0; $i < strlen($string); $i++){ $hex .= dechex(ord($string[$i])); } return $hex; } echo $signature;exit; ?>
based on kOE7J
Output for 5.6.0 - 5.6.30, hhvm-3.18.5 - 3.22.0, 7.0.0 - 7.3.0beta1
4960e47454b272849238e7f9d0aab6a22bb53ea6a7f3012de3d556003aac316a