RewriteEngine on

# FILE
RewriteRule ^(login)$ $1.php [NC,L,QSA]

# PAGE
RewriteRule ^(users|payments|urls|reviews|settings)$ index.php?page=$1 [NC,L,QSA]

# PAGE -> SECTION
RewriteRule ^(users|payments|urls|reviews|settings)/([-\w]+)$ index.php?page=$1&section=$2 [NC,L,QSA]

# PAGE -> ID
RewriteRule ^(user|url)/([\d]+)$ index.php?page=$1&id=$2 [NC,L,QSA]

# PAGE -> ID -> SECTION
RewriteRule ^(user)/([\d]+)/([-\w]+)$ index.php?page=$1&id=$2&section=$3 [NC,L,QSA]

# PAGE -> SECTION -> ID
RewriteRule ^(edit)/([-\w]+)/([\d]+)$ index.php?page=$1&section=$2&id=$3 [NC,L,QSA]