wp_dropdown_languages()

wp_dropdown_languages() — Displays or returns a Language selector.

Inputs: $args (string|array): Optional. Array or string of arguments for outputting the language selector. Field $id (string): ID attribute of the select element. Default ‘locale’. Field $name (string): Name attribute of the select element. Default ‘locale’. Field $languages (string[]): List of installed languages, contain only the locales. Default empty array. Field $translations (array): List of available translations. Default result of wp_get_available_translations(). Field $selected (string): Language which should be selected. Default empty. Field $echo (bool|int): Whether to echo the generated markup. Accepts 0, 1, or their boolean equivalents. Default 1. Field $show_available_translations (bool): Whether to show available translations. Default true.

Returns string|void: HTML dropdown list of languages. Always returned, whether or not ‘echo’ is true; nothing is returned when the ‘id’ or ‘name’ argument is empty.