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filter is not described

language_attributes filter-hook . WP 2.5.0

Filters the language attributes for display in the html tag.

Usage

add_filter( 'language_attributes', 'filter_function_name_4998', 10, 2 );
function filter_function_name_4998( $output, $doctype ){
	// filter...

	return $output;
}
$output(string)
A space-separated list of language attributes.
$doctype(string)
The type of html document (xhtml|html).

Changelog

Since 2.5.0 Introduced.
Since 4.3.0 Added the $doctype parameter.

Where the hook is called

get_language_attributes()
language_attributes
wp-includes/general-template.php 3836
return apply_filters( 'language_attributes', $output, $doctype );

Where the hook is used (in WP core)

Usage not found!