เว็บบอร์ด PHP เว็บส่งเสริมการเรียนรู้ Hosting CRM ERP Server Programming ถาม-ตอบปัญหา

RewriteEngine On
RewriteCond %{HTTP_HOST} www.yoursite.com
RewriteRule (.*) http://yoursite.com/$1 [R=301,L]

RewriteEngine On
RewriteCond %{HTTP_HOST} ^yoursite.com [NC]
RewriteRule ^(.*)$ http://www.yoursite.com/$1 [L,R=301]

RewriteCond %{HTTP_HOST} !^www\.
RewriteRule ^(.*)$ http://www.%{HTTP_HOST}/$1 [R=301,L,QSA]

Modify .htaccess file

www to non-www redirect
[code]RewriteEngine On
RewriteCond %{HTTP_HOST} www.yoursite.com
RewriteRule (.*) http://yoursite.com/$1 [R=301,L][/code]

non-www to www redirect
[code]RewriteEngine On
RewriteCond %{HTTP_HOST} ^yoursite.com [NC]
RewriteRule ^(.*)$ http://www.yoursite.com/$1 [L,R=301][/code]

Some Code could be use without specifying your domain name
[code]RewriteCond %{HTTP_HOST} !^www\.
RewriteRule ^(.*)$ http://www.%{HTTP_HOST}/$1 [R=301,L,QSA][/code]