<IfModule mod_rewrite.c>
Options -MultiViews
RewriteEngine On
# Determine the RewriteBase automatically and set it as environment variable.
RewriteCond %{REQUEST_URI}::$1 ^(/.+)/(.*)::2$
RewriteRule ^(.*) - [E=BASE:%1]
# Set the HTTP_AUTHORIZATION header removed by apache as environment variable.
RewriteCond %{HTTP:Authorization} .
RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]
# Redirect to URI without front controller to prevent duplicate content.
# We only do this redirect on the initial rewrite to prevent endless redirect loops.
RewriteCond %{ENV:REDIRECT_STATUS} ^$
RewriteRule ^index.php(/(.*)|$) %{ENV:BASE}/$2 [R=301,L]
# If the requested filename exists or should exist, simply serve it.
RewriteCond %{REQUEST_FILENAME} -s [OR]
RewriteCond %{REQUEST_FILENAME} -l [OR]
RewriteCond %{REQUEST_FILENAME} -d [OR]
RewriteCond %{REQUEST_URI} =/favicon.ico [OR]
RewriteCond %{REQUEST_URI} =/robots.txt
RewriteRule .? - [L]
# Rewrite all other queries to the front controller.
RewriteRule .? %{ENV:BASE}/index.php [QSA,L]
</IfModule>
