WordPress Version: 4.4
/**
* Retrieves the legacy media uploader form in an iframe.
*
* @since 2.5.0
*
* @return string|null
*/
function media_upload_gallery()
{
$errors = array();
if (!empty($_POST)) {
$return = media_upload_form_handler();
if (is_string($return)) {
return $return;
}
if (is_array($return)) {
$errors = $return;
}
}
wp_enqueue_script('admin-gallery');
return wp_iframe('media_upload_gallery_form', $errors);
}