感謝網(wǎng)友Keyes提供移植用的Delphi源代碼。其調(diào)用方式為$txt=gbtobig5($txt)。
    （注：源代碼中的include "data_gb.php";這個文件在就是一個數(shù)組，在http://caocao.oso.com.cn/data_gb.zip，請編輯下載到oso上，做一個鏈接，因為這個文件我過幾天就要刪除了。）

<?
/***********************************************************************
                       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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