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<?php echo hash_hmac( 'sha256', 'test@test.com', 'secret_key_from_beacon_configd' ); // asdfasdfasdfasdffdghdsfghfdgh
Output for 7.3.0rc3
7c2f3b37b83d52d75a1043000ac4443e902ee4e4558d87e3b1aea34d07ca0f15