PHP 比较带重音和不带重音的字符串 [英] PHP compare string with accents and without accents

问题描述

是否可以在 PHP 中比较这些字符串:

Is it possible in PHP to compare thoses strings:

Æther == AEther == Aether

我想从这个等价中得到一个积极的结果

I'd like to get a positive result from this equivalence

我实际上尝试了多种方法，但都没有真正成功:

I've actually tried multiple things but without real success:

• 用 strtr 将 Æ 和任何特殊字符替换为 Ae(性能不佳，我宁愿保持字符串不变)

• Replacing the Æ and any special character to Ae with strtr (bad performance and I would rather keep the string as is)

使用 strcmp/strcasecmp，这解决了大写问题，但我仍然无法处理所有 UTF-8 字符

Using strcmp/strcasecmp, this solve the caps problem but I still have trouble with all UTF-8 characters

我想要实现的是解析从 json 中检索到的元素列表并与其他一些 json 文件匹配，有些可以拼写不同(utf8 或非 utf8、caps 等)，因此，现在，我发现这样做的唯一方法是制作第三个这样的json:

What I'm trying to achieve it's to parse a list of elements retrieved from a json and match with some other json file, some can be spelled differently (utf8 or non utf8, caps etc.) and so, for now, the only way I found to do this it's to make a third json like this:

        {
        "match": {
            "name": "Unravel the \u00c6ther"
        },
        "replace": {
            "name": "Unravel the aether"
        }

我用正确的字符串替换了基本字符串，但我想找到一种方法来自动化这个过程.

And I replace the base string with the corect one, but I'd like to find a way to automatise the process.

推荐答案

可以使用 iconv 的音译功能:

You can use iconv's transliterate feature:

iconv('utf8', 'ASCII//TRANSLIT', 'Æther') == 'Aether';

某些 Windows 系统可能需要使用utf-8"而不是utf8".

Some Windows systems may required the use of 'utf-8' instead of 'utf8'.

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