RewriteEngine on
RewriteCond %{HTTP:Authorization} ^(.*)
RewriteRule ^(.*)$ - [E=HTTP_AUTHORIZATION:%1]
RewriteCond %{HTTP:x-api-key} ^(.*)
RewriteRule ^(.*)$ - [E=x-api-key:%1]
# If a directory or a file exists, use it directly
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
# Otherwise forward it to index.php
RewriteRule . index.php
