如何解码像“u00ed"这样的 Unicode 转义序列正确的 UTF-8 编码字符? [英] How to decode Unicode escape sequences like "u00ed" to proper UTF-8 encoded characters?

问题描述

PHP 中是否有一个函数可以将 Unicode 转义序列(如u00ed")解码为í"以及所有其他类似事件?

Is there a function in PHP that can decode Unicode escape sequences like "u00ed" to "í" and all other similar occurrences?

我在这里找到了类似的问题 但似乎不起作用.

I found similar question here but is doesn't seem to work.

推荐答案

试试这个:

$str = preg_replace_callback('/\\u([0-9a-fA-F]{4})/', function ($match) {
    return mb_convert_encoding(pack('H*', $match[1]), 'UTF-8', 'UCS-2BE');
}, $str);

如果是基于 UTF-16 的 C/C++/Java/Json 风格:

In case it's UTF-16 based C/C++/Java/Json-style:

$str = preg_replace_callback('/\\u([0-9a-fA-F]{4})/', function ($match) {
    return mb_convert_encoding(pack('H*', $match[1]), 'UTF-8', 'UTF-16BE');
}, $str);

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