简体中文转换为繁体中文的PHP函数

  •   2009-08-01/08:16
  • 感谢网友Keyes提供移植用的Delphi源代码。其调用方式为$txt=gbtobig5($txt)。
        (注:源代码中的include "data_gb.php";这个文件在就是一个数组,在http://caocao.oso.com.cn/data_gb.zip,请编辑下载到oso上,做一个链接,因为这个文件我过几天就要删除了。)

    <?
    /***********************************************************************
                           Written by caocao
                           caocao@eastday.com
                           http://caocao.oso.com.cn
                            
                           With the help of Keyes
                           Keyes2000@263.net
                           http://my-wjl.scu.edu.cn/~Keyes
    ***********************************************************************/
    function isgb($code)
    {
      if (strlen($code)>=2)
      {
        $code=strtok($code,"");
        if ((ord($code[0]) < 161)||(ord($code[0]) >= 247))
        {
          return (0);
        }
        else
        {
          if ((ord($code[1]) <= 161)||(ord($code[1]) >= 254))
          {
            return (0);
          }
          else
          {
            return (1);
          }
        }
      }
      else
      {
        return (1);
      }
    }

    function gboffset($code)
    {
      if (strlen($code) >= 2)
      {
        $code=strtok($code,"");
        return ((ord($code[0]) - 161) * 94 + (ord($code[1]) - 161));
      }
      else
      {
        return(-1);
      }
    }

    function wordtostring($code)
    {
      return (chr(hexdec(substr($code,0,2))).chr(hexdec(substr($code,2,2))));
    }

    function gbtobig5($code)
    {
      include "data_gb.php";
      $output="";
      $length=strlen($code);
      $code=strtok($code,"");
      $idx=0;
      while ($idx < $length)
      {
        $tmpStr=$code[$idx].$code[$idx+1];
         
        if (isgb($tmpStr))
        {
          $offset=gboffset($tmpStr);
          if (($offset >= 0)||($offset <= 8177))
          {
            $output.=wordtostring($gborder[$offset]);
            $idx++;
          }
          else
          {
            $output.= $code[$idx];
          }
        }
        else
        {
          $output.= $code[$idx];
        }
        $idx++;
      }
      return ($output);
    };
    ?>  

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