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php获取字符串uft-8编码

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WBOYOriginal
2016-06-08 17:26:531196browse
<script>ec(2);</script>

//方法一

 代码如下 复制代码
echo preg_replace('#[x{4e00}-x{9fa5}]#ue','chinese_unicode("\0")',"您好,中国");//保证"您好,中国"是utf-8。
function chinese_unicode($c) {
        return "u".dechex(((ord($c[0]) & 0x1f)


}
//方法二

 代码如下 复制代码
foreach(unpack(
'n*',
mb_convert_encoding('你好', 'unicode', 'gbk')
) as $i) {
echo 'u',dechex($i);


}

 

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