复制代码 代码如下:
function chineseFirst($str)
{
$str= iconv("UTF-8","gb2312", $str); //如果程序是gbk的,此行就要注释掉
//判断字符串是否全都是中文
if (preg_match("/^[\x7f-\xff]/", $str))
{
$fchar=ord($str{0});
if($fchar>=ord("A") and $fchar $a = $str;
$val=ord($a{0})*256+ord($a{1})-65536;
if($val>=-20319 and $val if($val>=-20283 and $val if($val>=-19775 and $val if($val>=-19218 and $val if($val>=-18710 and $val if($val>=-18526 and $val if($val>=-18239 and $val if($val>=-17922 and $val if($val>=-17417 and $val if($val>=-16474 and $val if($val>=-16212 and $val if($val>=-15640 and $val if($val>=-15165 and $val if($val>=-14922 and $val if($val>=-14914 and $val if($val>=-14630 and $val if($val>=-14149 and $val if($val>=-14090 and $val if($val>=-13318 and $val if($val>=-12838 and $val if($val>=-12556 and $val if($val>=-11847 and $val if($val>=-11055 and $val } else
{
return false;
}
}

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