WordPress at a glance
filter is not described

mu_dropdown_languages filter-hook . WP MU

Filters the languages available in the dropdown.


add_filter( 'mu_dropdown_languages', 'filter_function_name_832', 10, 3 );
function filter_function_name_832( $output, $lang_files, $current ){
	// filter...

	return $output;
HTML output of the dropdown.
Available language files.
The current language code.


  • Since MU (3.0.0)

Where the hook is called

wp-admin/includes/ms.php 597
$output = apply_filters( 'mu_dropdown_languages', $output, $lang_files, $current );

Where the hook is used (in WP core)

Does not used.