3.4、简体转繁体

/**
 * 简体转繁体
 * @param  $Text
 */
function gbk_to_big5($Text) {
   global $GB_DATA;
   if(empty($GB_DATA)) {
      $filename = CODETABLEDIR.'gb-big5.table';
      $fp = fopen($filename, 'rb');
      $gb = fread($fp, filesize($filename));
      fclose($fp);
   }
   $max = strlen($Text)-1;
   for($i = 0; $i < $max; $i++) {
      $h = ord($Text[$i]);
      if($h >= 0x80) {
         $l = ord($Text[$i+1]);
         if($h==161 && $l==64) {
            $big = '　';
         } else {
            $p = ($h-160)*510+($l-1)*2;
            $big = $GB_DATA[$p].$GB_DATA[$p+1];
         }
         $Text[$i] = $big[0];
         $Text[$i+1] = $big[1];
         $i++;
      }
   }
   return $Text;
}