main domain redirect to subdomain error too many redirects code example

Example 1: wordpress https too many redirects

define('WP_HOME','https://mywebsite.com');
define('WP_SITEURL','https://mywebsite.com');
$_SERVER['HTTPS'] = 'on';

Example 2: too many redirects wordpress

Issue was solved by removing the .htaccess file as .htaccess files was containing
<FilesMatch ".(phtml|php|PhP|php5|suspected)$">
Order Allow,Deny
Deny from all
</FilesMatch>


reference : 
https://cwiki.apache.org/confluence/display/HTTPD/ClientDeniedByServerConfiguration