怎么把utf-8 转 utf-16
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发布时间：2022-05-13 16:34
共1个回答
热心网友
时间：2023-10-16 09:32
function str2hex($str){
$hex = '';
for($i=0,$length=mb_strlen($str); $i<$length; $i++){
$hex .= dechex(ord($str{$i}));
}
return $hex;
}
//16进制转换成字符串
function hex2str($hex){
$str = '';
$arr = str_split($hex, 2);
foreach($arr as $bit){
$str .= chr(hexdec($bit));
}
return $str;
}
function test(){
//utf8字符测试
$str = '中文';
echo mb_strlen($str);
echo '';
$hex = str2hex($str);
echo $hex;
echo '';
$dec = hex2str($hex);
echo $dec;
echo "";
echo "<hr>";
//gbk测试
$gbkstr = mb_convert_encoding($str,'GBK','UTF-8');
echo mb_strlen($gbkstr);
echo '';
$hex = str2hex($gbkstr);
echo $hex;
echo '';
$dec = mb_convert_encoding(hex2str($hex), 'UTF-8', 'GBK');
echo $dec;
echo "";
