PHP: Hypertext Preprocessor (original) (raw)
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
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.
Warning
As of PHP 8.1.0, omitting this parameter or passing [null](reserved.constants.php#constant.null) is deprecated.
encoding
The expected encoding.
Return Values
Returns [true](reserved.constants.php#constant.true) on success or [false](reserved.constants.php#constant.false) on failure.
Changelog
| Version | Description |
|---|---|
| 8.1.0 | Calling this function with null as value or without argument is deprecated. |
| 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. |