WP_Sitemaps_Renderer::render_sitemap() WordPress Method

	public function render_sitemap( $url_list ) {
		header( 'Content-type: application/xml; charset=UTF-8' );

		$this->check_for_simple_xml_availability();

		$sitemap_xml = $this->get_sitemap_xml( $url_list );

		if ( ! empty( $sitemap_xml ) ) {
			// All output is escaped within get_sitemap_xml().
			// phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
			echo $sitemap_xml;
		}
	}