Title: 6.6.1 | Developer.WordPress.org

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# New and updated in 6.6.1

Functions

Hooks

Classes

Methods

 * function[is_utf8_charset()](https://developer.wordpress.org/reference/functions/is_utf8_charset/)
 * Indicates if a given slug for a character set represents the UTF-8 text encoding.
   If not provided, examines the current blog’s charset.
 * Used by [3 functions](https://developer.wordpress.org/reference/functions/is_utf8_charset/#used-by)
   | Uses [1 function](https://developer.wordpress.org/reference/functions/is_utf8_charset/#uses)
   | Source: [wp-includes/functions.php:7587](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/functions.php#L7587-L7589)