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<?php $str = chr(4) . chr(53) . chr(124); var_dump(implode(array_map(function($c) { return str_pad(decbin(ord($c)), 8, '0', STR_PAD_LEFT); }, str_split($str))));
Output for git.master, git.master_jit, rfc.property-hooks
string(24) "000001000011010101111100"

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