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Get a Hashed SubDirectory

/ Published in: PHP
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  1. /**
  2.  * get a hashed subdir.
  3.  *
  4.  * @author liuran
  5.  */
  6. function getHashedDir ()
  7. {	
  8. 	$key_1 = rand (32768, 65535);
  9. 	$key_2 = microtime ();
  10. 	$key_3 = sha1 (time ());
  11.  
  12. 	$sid = md5 ($key_1 . $key_3 . $key_2);	
  13. 	$hash_dir = substr ($sid, 0, 2) . '/' . substr ($sid, 15, 2) . '/';
  14. 	return $hash_dir;
  15. }

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