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