public static function sprite_menu_icon_url($file, $fallback = true) { $sprite_file = MPU::sprite_filename($file); $sprite_url = self::menu_icon_url($sprite_file, false); if ($sprite_url && $sprite_url != "") { return $sprite_url; } if ($fallback) { // if the sprite version doesn't exist, return the regular version return self::menu_icon_url($file, $fallback); } }