mb_http_input()

(PHP 4 >= 4.0.6, PHP 5, PHP 7)

检测 HTTP 输入字符编码

说明

检测 HTTP 输入字符的编码。

参数

设置的字符串指定了输入类型。"G"是 GET，"P"是 POST，"C"是 COOKIE，"S"是 string，"L"是 list，以及"I"是整个列表（将会返回array）。如果省略了 type，它将返回最后处理的一种输入类型。

返回值

每个$type的字符编码名称。如果mb_http_input()没有处理过任何指定的 HTTP 输入，它将返回FALSE。

参见

• mb_internal_encoding()设置/获取内部字符编码
• mb_http_output()设置/获取 HTTP 输出字符编码
• mb_detect_order()设置/获取字符编码的检测顺序

"pass" means "no conversion":
See here:
http://php.net/manual/en/mbstring.configuration.php#ini.mbstring.strict-detection
mbstring.http_input      = pass  ; No conversion.
mbstring.http_output     = pass  ; No conversion

As this does not seam to work (always returns "pass"). you can use
$encoding = mb_detect_encoding(urldecode($REQUEST_URI), 'UTF-8, UTF-7, ASCII, EUC-JP,SJIS, eucJP-win, SJIS-win, JIS, ISO-2022-JP, ISO-8859-1');
to detect the encoding of the url instead, similare steps could be taken to deteck cookies and post data although it would have to be done for each value.

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