Returns all the defined language types.
An array of language type names. The name will be used as the global variable name the language value will be stored in.
function language_types_info() {
$language_types =& drupal_static(__FUNCTION__);
if (!isset($language_types)) {
$language_types = module_invoke_all('language_types_info');
// Let other modules alter the list of language types.
drupal_alter('language_types_info', $language_types);
}
return $language_types;
}