Multibyte String
PHP Manual

mb_check_encoding

(PHP 4 >= 4.4.3, PHP 5 >= 5.1.3)

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

Descripción

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

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

Lista de parámetros

var

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

encoding

Expected encoding.

Valores retornados

Devuelve TRUE si todo se llevó a cabo correctamente, FALSE en caso de fallo.


Multibyte String
PHP Manual