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@ 2014-06-11T14:37:24Z

<?php

$s = 'abcd123ABCD00-4000';
$signature = hash_hmac("sha256", $s, false); 
print  $signature;

Output
Performance
VLD
References
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hash_hmac: documentation ( source)

preferences:dark modelive preview

56.55 ms | 402 KiB | 5 Q