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# mb_check_encoding

(no version information, might be only in CVS)

mb_check_encoding -- Check if the string is valid for the specified encoding

## 说明

bool mb_check_encoding ( [string var [, string encoding]] )

mb_check_encoding() checks if the string is valid for the specified encoding. It is useful to prevent so-called "Invalid Encoding Attack".

## 参数

`var`

  String to check. If it is omitted, this function checks all the input from the beginning of the request.

`encoding`

  Expected encoding.

## 返回值

如果成功则返回 `TRUE`，失败则返回 `FALSE`。

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