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
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.
Warning
As of PHP 8.1.0, omitting this parameter or passing null is deprecated.
encoding-
The expected encoding.
Return Values
Returns true on success or 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 string s have been supported.
|
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