/**
* Displays notices.
*
* @param array|string $notices
* @param string $class (optional)
*
* @return void
*/
public function display_notices($notices, $class = 'updated')
{
// add inline class so the notices stays in metabox
$class .= ' inline';
foreach ((array) $notices as $notice) {
echo Util::admin_notice($notice, $class);
}
}
