PHP, What Is This For?

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    $rand_num = hexdec(bin2hex(openssl_random_pseudo_bytes(20, $strong)));
    $rand_num = $rand_num;
    var_dump($rand_num);

wtf I’ve had in mind while writing it..
.. don’t you hate it when you’ve had a briliant thing in mind, you get up for the hourly coffee and when you’ll be back… ohhh… I’ve remembered…. nevermind.. :)
..its related to something I’m working on for Google Auth.

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