mb_preferred_mime_name

Function • Params and return types changed in PHP 8.0

Get MIME charset string.

PHP 5

PHP 7

Improved

PHP 8.1

PHP 8.2-8.3

PHP 8.4

PHP 8.5

PHP 8.6

`mb_preferred_mime_name` Function synopsis

mb_preferred_mime_name(string $encoding): string|false

Parameters

`$encoding`

Typestring

The encoding being checked.

Return value

Typestring|false

The MIME charset string for character encoding $encoding, or false if no charset is preferred for the given $encoding.

Changes to the `mb_preferred_mime_name` Function

PHP 8.0

Return type added: string|false
Parameter type added for parameter #1 ($encoding): string

- mb_preferred_mime_name($encoding)
+ mb_preferred_mime_name(string $encoding): string|false

`mb_preferred_mime_name` Function Availability

PHP Version	Availability
PHP 8.6Upcoming Release	Yes
PHP 8.5Supported (Latest)	Yes
PHP 8.4Supported	Yes
PHP 8.3Security-Fixes Only	Yes
PHP 8.2Security-Fixes Only	Yes
PHP 8.1Unsupported	Yes
PHP 8.0Unsupported	Yes
PHP 7.4Unsupported	Yes
PHP 7.3Unsupported	Yes
PHP 7.2Unsupported	Yes
PHP 7.1Unsupported	Yes
PHP 7.0Unsupported	Yes
PHP 5.6Unsupported	Yes
PHP 5.5Unsupported	Yes
PHP 5.4Unsupported	Yes
PHP 5.3Unsupported	Yes