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<?php $array = unpack('Vint/Vint', hash_hmac('md5', str_pad(646, 4, '0', STR_PAD_LEFT), 'default', true)); print_r($array); echo $array['int'] & 16;
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [int] => 1833736845 ) 0

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