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LZW compression algorithm

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2016-07-25 09:07:591765browse
PHP实现的LZW压缩算法
  1. /**
  2. * @link http://code.google.com/p/php-lzw/
  3. * @author Jakub Vrana, http://php.vrana.cz/
  4. * @copyright 2009 Jakub Vrana
  5. * @license http: //www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
  6. */
  8. /**LZW compression
  9. * @param string data to compress
  10. * @return string binary data
  11. */
  12. function lzw_compress($string) {
  13. // compression
  14. $dictionary = array_flip(range("
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