.htaccess file to force www, htttps and redirect all requests to index.php

.htaccess

Options +FollowSymLinks
RewriteEngine On
RewriteBase /

# Redirect all requests to index.php only if it is not a directory or file
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^(.+)$ index.php/$1 [L]

RewriteCond %{HTTPS} off
# First rewrite to HTTPS:
# Don't put www. here. If it is already there it will be included, if not
# the subsequent rule will catch it.
RewriteRule .* https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]
# Now, rewrite any request to the wrong domain to use www.
# [NC] is a case-insensitive match
RewriteCond %{HTTP_HOST} !^www\. [NC]
RewriteCond %{REQUEST_FILENAME}  -f [OR]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule .* https://www.%{HTTP_HOST}%{REQUEST_URI} [L,R=301]