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$county="大中华区";
echo "<font color='red'>".$ci=iconv_strlen($county,"UTF-8")."</font>";
for($j=0;$j<$ci;$j++){
echo $e.=iconv_substr($county,$j,$j);
}
$county="大中华区";
$array=str_split($county,2);
大
中
华
区
[User:root Time:19:21:36 Path:/home/liangdong/php]$ cat mb.php
<?php
/* file-encoding : utf-8*/
/* export LANG=zh_CN.utf-8*/
$str = "大中华区";
$len = mb_strlen($str, "utf-8");
for ($i = 0; $i != $len; ++ $i) {
$letter = mb_substr($str, $i, 1, "utf-8");
echo $letter . PHP_EOL;
}
?>
<?php
/****************************
* subCNchar() 截取汉字 *
* [$str] [要截取的字符串]
* [$start] [截取的起始位置]
* [$length] [要截取的长度]
* [$charset] [字符串编码]
****************************/
function subCNchar($str, $start = 0, $length, $charset = "utf-8") {
if (strlen($str) <= $length)
return $str;
$re['utf-8'] = "/[\x01-\x7f]|[\xc2-\xdf][\x80-\xbf]|[\xe0-\xef][\x80-\xbf]{2}|[\xf0-\xff][\x80-\xbf]{3}/";
$re['gb2312'] = "/[\x01-\x7f]|[\xb0-\xf7][\xa0-\xfe]/";
$re['gbk'] = "/[\x01-\x7f]|[\x81-\xfe][\x40-\xfe]/";
$re['big5'] = "/[\x01-\x7f]|[\x81-\xfe]([\x40-\x7e]|\xa1-\xfe])/";
preg_match_all($re[$charset], $str, $match);
$slice = join("", array_slice($match[0], $start, $length));
return $slice;
}
$county="大中华区";
$res=subCNchar($county,0,1);
echo $res;
#大
?>