将UTF-16LE转换为UTF-8 [英] Convert UTF-16LE to UTF-8 in php

问题描述

我使用 iconv php函数，但某些字符无法正确转换：

  ... 
 $ s = iconv（'UTF-16'，'UTF-8'，$ s）; 
 ... 
 $ s = iconv（'UTF-16 // IGNORE'，'UTF-8'，$ s）; 
 ... 
 $ s = iconv（'UTF-16LE'，'UTF-8'，$ s）; 
 ... 
 $ s = iconv（'UTF-16LE // IGNORE'，'UTF-8'，$ s）; 
 ... 
  

我也尝试 mb_convert_encoding 函数，但不能解决我的问题。

一个示例文本文件：9px.ir/utf8-16LE.rar

解决方案

iconv 支持 UTF-16LE 编码。

您可以使用它将编码从 UTF-16LE 转换为 UTF-8 ：

$ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $
if（false === $ result）
{
throw new Exception（'Input string could not be conversion。'）;
}

请参阅 。

我只是想知道如果所有代码点都可以在 UTF-16LE 可在 UTF-8 。但是我认为这应该适合你的情况。

---

编辑：在我自己的盒子上重现问题，但是在另一个框中，我遇到了这个通知：

注意：iconv（）[function.iconv]：错误的字符集，从 UTF-16LE' / code> UTF-8'不允许...




看起来不是全部 iconv 可以将 UTF-16LE 转换为 UTF-8 。

它可能是使用 mb_convert_encoding ^文档 ，至少在这种情况下（演示）：

  $ result = mb_convert_encoding（$ str，'UTF-8'，'UTF-16LE'）; 
  

I use iconv php function but some characters doesn't convert correctly:

...
$s = iconv('UTF-16', 'UTF-8', $s);
...
$s = iconv('UTF-16//IGNORE', 'UTF-8', $s);
...
$s = iconv('UTF-16LE', 'UTF-8', $s);
...
$s = iconv('UTF-16LE//IGNORE', 'UTF-8', $s);
...

I also try mb_convert_encoding function but can't solve my problem.

A sample text file: 9px.ir/utf8-16LE.rar

解决方案

iconv supports the UTF-16LE encoding.

You can use it to transpose the encoding from UTF-16LE to UTF-8:

$result = iconv($in_charset = 'UTF-16LE' , $out_charset = 'UTF-8' , $str);
if (false === $result)
{
    throw new Exception('Input string could not be converted.');
}

See iconv^Docs.

I'm just wondering if all code-points available in UTF-16LE are available in UTF-8. But I assume that this should fit in your case.

---

Edit: I was not able to reproduce the problem on a box of my own, but on another box I ran into this notice:

Notice: iconv() [function.iconv]: Wrong charset, conversion from UTF-16LE' toUTF-8' is not allowed in ...

Looks like that not all iconv versions can actually convert UTF-16LE to UTF-8.

It might be a workaround to use mb_convert_encoding^Docs instead, at least it was in this case (Demo):

$result = mb_convert_encoding($str , 'UTF-8' , 'UTF-16LE');

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