Nginx has redirect loop when trying to redirect to https

example.com is my site’s url.

It has a redirect loop on the line where it redirects to https.

Any fix?

Also how would I hide the PHP extension?

I have nginx 1.9.3 on ubuntu.

server {
	listen 80 default_server;
	root /var/www/html;

	# Add index.php to the list if you are using PHP
	index index.php;

	server_name example.com;
	return 301 https://example.com$request_uri; # Where it loops
	
	error_page 500 /500.html;
	error_page 404 /404.php;

	location / {
		# First attempt to serve request as file, then
		# as directory, then fall back to displaying a 404.
		try_files $uri $uri/ =404;
		
		#htacess stuff
				
	}
}