public static function get_all_wrappers()
{
if (!empty(self::$all_wrappers_cache)) {
return self::$all_wrappers_cache;
}
$wrappers_by_layout = HeadwayOption::get_group('wrappers');
if (!$wrappers_by_layout || !is_array($wrappers_by_layout)) {
return null;
}
$all_wrappers = array();
foreach ($wrappers_by_layout as $layout_id => $layout_wrappers) {
if (is_array($layout_wrappers)) {
$all_wrappers = array_merge($all_wrappers, self::format_wrappers_array($layout_wrappers, $layout_id));
}
}
self::$all_wrappers_cache = $all_wrappers;
return $all_wrappers;
}
