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PHP generates short URL

Source: Shangpin China | Type: website encyclopedia | Time: 2012-11-06
  1. <? php 
  2. function  base62( $x ) 
  3. { 
  4.      $show  =  '' ;  
  5.      while ( $x  > 0) { 
  6.          $s  =  $x  % 62;  
  7.          if  ( $s  > 35) { 
  8.              $s  =  chr ( $s +61);              
  9.         }  elseif  ( $s  > 9 &&  $s  <=35) { 
  10.              $s  =  chr ( $s  + 55);  
  11.         } 
  12.          $show  .=   $s ;  
  13.          $x  =  floor ( $x /62);  
  14.     } 
  15.      return   $show ;      
  16. } 
  17.  
  18. function  urlShort( $url ) 
  19. { 
  20.      $url  = crc32( $url );  
  21.      $result  = sprintf( "%u" ,  $url );  
  22.      return  base62( $result );  
  23. } 
  24.  
  25. echo  urlShort( " //code.google.com/p/rfphp4zf " );  
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Disclaimer

Thank you very much for visiting our website. Please read all the terms of this statement carefully before you use this website.

1. Part of the content of this site comes from the network, and the copyright of some articles and pictures involved belongs to the original author. The reprint of this site is for everyone to learn and exchange, and should not be used for any commercial activities.

2. This website does not assume any form of loss or injury caused by users to themselves and others due to the use of these resources.

3. For issues not covered in this statement, please refer to relevant national laws and regulations. In case of conflict between this statement and national laws and regulations, the national laws and regulations shall prevail.

4. If it infringes your legitimate rights and interests, please contact us in time, and we will delete the relevant content at the first time!

Contact: 010-60259772
E-mail: [email protected]