PHPは中国語のホームページレターを取得するメソッドを実装します

function getfirstchar($s0) {
 $fchar = ord(substr($s0, 0, 1));
 if (($fchar >= ord("a") and $fchar <= ord ("z"))or($fchar >= ord("A") and $fchar  $s = iconv(" UTF-8", "gb2312", $s0);
 $asc = ord($s{0}) * 256 + ord($s小贝)-65536;
 if ($asc >= -20319 and $ asc <= -20284)return "A";
 if ($asc >= -20283 and $asc  if ($asc >= -19775 and $asc < ;= -19219)return "C";
 if ($asc >= -19218 and $asc  if ($asc >= -18710 and $asc <= -18527)return "E";
 if ($asc >= -18526 and $asc  if ($asc >= -18239 and $asc  if ($asc >= -17922 and $asc  if ($asc >= -17417 and $asc  if ($asc >= -16474 and $asc  if ($asc >= -16212 and $asc  if ($asc >= -15640 and $asc  if ($asc >= -15165 and $asc  if ($asc >= -14922 and $asc  if ($asc >= -14914 and $asc  if ($asc >= -14630 および $asc  if ($asc >= -14149 and $asc  if ($ asc >= -14090 and $asc <= -13319)return "S";
 if ($asc >= -13318 and $asc  if ($asc > ;= -12838 および $asc  if ($asc >= -12556 and $asc  if ($asc >= -11847 and $asc  if ($asc >= -11055 and $asc  return null;
}

PHP