(PHP 4 >= 4.4.3, PHP 5 >= 5.1.3, PHP 7, PHP 8)
mb_check_encoding — Check if strings are valid for the specified encoding
$value
= null
, ?string $encoding
= null
): bool
Checks if the specified byte stream is valid for the specified encoding.
If value
is of type Array, all keys and values are
validated recursively.
It is useful to prevent so-called "Invalid Encoding Attack".
value
The byte stream or Array to check. If it is omitted, this function checks all the input from the beginning of the request.
As of PHP 8.1.0, omitting this parameter or passing null
is deprecated.
encoding
The expected encoding.
Gibt bei Erfolg true
zurück. Bei einem Fehler wird false
zurückgegeben.