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Generate short URL

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Release： 2016-07-25 09:09:02
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  1. function base62($x)
  2. {
  3. $show = '';
  4. while($x > 0) {
  5. $s = $x % 62;
  6. if ($s > 35) {
  7. $s = chr($s+61);
  8. } elseif ($s > 9 && $s <=35) {
  9. $s = chr($s + 55);
  10. }
  11. $show .= $s;
  12. $x = floor($x/62);
  13. }
  14. return $show;
  15. }
  17. function urlShort($url)
  18. {
  19. $url = crc32($url);
  20. $result = sprintf("%u", $url);
  21. return base62($result);
  22. }
  24. echo urlShort("http://code.google.com/p/rfphp4zf");
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生成短网址
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