RewriteEngine On
RewriteBase /
RewriteRule ^index\.php$ - [L]
RewriteRule ^([[_0-9a-zA-Z-]+/]*)?wp-admin$ $1wp-admin/ [R=301,L]
RewriteCond %{REQUEST_FILENAME} -f [OR]
RewriteCond %{REQUEST_FILENAME} -d
RewriteRule ^ - [L]
RewriteRule ^(.+)?/(wp-(includes|admin|content)(/.*)?) $2 [L]
RewriteRule ^(.*)(/wp-json/)(.*)$ index.php/wp-json/$3 [L]
RewriteRule ^([[_0-9a-zA-Z-]+/]*)?(.*\.php)$ $2 [L]
RewriteRule . index.php [L]