code: public function getSitemap ()
  	{
  		$sitemapRaw = SitemapRecord::find()->all();
  		$sitemap = [];
  
  		/** @var SitemapRecord $row */
  		foreach ($sitemapRaw as $row)
  		{
  			if (!array_key_exists($row->group, $sitemap))
  				$sitemap[$row->group] = [];
  
  			if ($row->group === 'customUrls')
  				$sitemap[$row->group][] = $row;
  			else
  				$sitemap[$row->group][$row->url] = $row;
  		}
  
  		return $sitemap;
  	}
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