.htaccess

RewriteEngine On

RewriteBase /

SetEnv REWRITEBASE ''

php_value upload_max_filesize 64M
php_value post_max_size 64M

# if conditions cause some issue sometimes 
# so it's better to use RewriteCond where possible
# however, this kind of condition is working
# ( check opcache directive in php_info() )
<If "%{HTTP_COOKIE} =~ /enable_dev=1/">
    php_flag opcache.enable Off
    php_flag apc.cache_by_default Off
    php_value session.cookie_path /dev/
    SetEnv REWRITEBASE '/dev/'
</If>

RewriteCond %{HTTP_COOKIE} enable_dev=1
RewriteCond %{REQUEST_URI} !^/dev/
RewriteRule ^(.*)$ /dev/$1 [L]


RewriteCond %{HTTPS} =on
RewriteRule ^(.*)$ - [env=proto:https]
RewriteCond %{HTTPS} !=on
RewriteRule ^(.*)$ - [env=proto:http]


# Yoast SEO - XML Sitemap Rewrite Fix
RewriteRule ^sitemap_index.xml$ /index.php?sitemap=1 [L]
RewriteRule ^locations.kml$ /index.php?sitemap=wpseo_local_kml [L]
RewriteRule ^geo_sitemap.xml$ /index.php?sitemap=geo [L]
RewriteRule ^([^/]+?)-sitemap([0-9]+)?.xml$ /index.php?sitemap=$1&sitemap_n=$2 [L]
RewriteRule ^([a-z]+)?-?sitemap.xsl$ /index.php?xsl=$1 [L]
# END Yoast SEO - XML Sitemap Rewrite Fix


#
# WORDPRESS
#

RewriteRule ^index\.php$ - [L]

# add a trailing slash to /wp-admin
RewriteRule ^([_0-9a-zA-Z-]+/)?wp-admin$ $1wp-admin/ [R=301,L]

RewriteCond %{REQUEST_FILENAME} -f [OR]
RewriteCond %{REQUEST_FILENAME} -d
RewriteRule ^ - [L]

RewriteRule ^([_0-9a-zA-Z-]+/)?(wp-(content|admin|includes).*) ${ENV:REWRITEBASE}/modules/wp/$2 [L]

RewriteRule ^([_0-9a-zA-Z-]+/)?(.*\.php)$ ${ENV:REWRITEBASE}/modules/wp/$2 [L]

RewriteRule . index.php [L]

UnsetEnv REWRITEBASE