Returns array of language names
$field: 'name' => names in current language, localized 'native' => native names
$all: Boolean to return all languages or only enabled ones
function locale_language_list($field = 'name', $all = FALSE) {
if ($all) {
$languages = language_list();
}
else {
$languages = language_list('enabled');
$languages = $languages[1];
}
$list = array();
foreach ($languages as $language) {
$list[$language->language] = $field == 'name' ? t($language->name) : $language->{$field};
}
return $list;
}