3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = 'POST 3f21fae774c49992948753328f3ab4da Wed, 18 Jun 2014 10:05:28 GMT'; $key = '1UBD5+waM7ghc8lPTX/JsCAK/OAvtfQyi/23JvWGhNqZC+BMsWW0y6WkJ8fj2yuRigIIInm5NxSv80OxunYm9toGiJRzy+5I8EGWisMAmELnChh61YGCHMuXu6834ouD'; $hmac = hash_hmac('sha512', $input, $key, true); // true voor binary output echo base64_encode($hmac);

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