function getChinese($string,$encode="GBK") {
switch($encode){
case "GBK" :$codelength=2;break;
case "GB2312" :$codelength=3;break;
case "UTF-8" :$codelength=3;break;
case "UTF-16" :$codelength=4;break;
}
$tmpstr = '';
$arr = array(1,2,3,4,5,6,7,8,9,0);
$strlen = strlen($string);
for($i=0; $i0xA0 ){
$tmpstr.= substr($string, $i, $codelength);
$i = $i+$codelength-1;
}
}
return $tmpstr;
}
以上就是过滤字符串中的中文和数字的内容，更多相关内容请关注PHP中文网（www.php.cn）！
