mb_check_encoding
(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
Description
mb_check_encoding(array|string|null
$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".
Parameters
-
value -
The byte stream or array to check. If it is omitted, this function checks all the input from the beginning of the request.
-
encoding -
The expected encoding.
Return Values
Returns true on success or false on failure.
Changelog
| Version | Description |
|---|---|
| 8.0.0 |
value and encoding are nullable now.
|
| 7.2.0 |
This function now also accepts an array as value.
Formerly, only strings have been supported.
|
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