Redirect mobile devices to alternate version of my site

Question

We\'ve got an alternate version of out website ready for mobile devices. The content we serve is different and it works well.

What is the best way to detect which v

Answer 1

here is the working solution

RewriteEngine On
RewriteBase /

#http://stackoverflow.com/questions/3680463/mobile-redirect-using-htaccess
# Check if mobile=1 is set and set cookie 'mobile' equal to 1
RewriteCond %{QUERY_STRING} (^|&)mobile=1(&|$)
RewriteRule ^ - [CO=mobile:1:%{HTTP_HOST}]

# Check if mobile=0 is set and set cookie 'mobile' equal to 0
RewriteCond %{QUERY_STRING} (^|&)mobile=0(&|$)
RewriteRule ^ - [CO=mobile:0:%{HTTP_HOST}]

# cookie can't be set and read in the same request so check
RewriteCond %{QUERY_STRING} (^|&)mobile=0(&|$)
RewriteRule ^ - [S=1]

# Check if this looks like a mobile device
RewriteCond %{HTTP:x-wap-profile} !^$ [OR]
RewriteCond %{HTTP_USER_AGENT} "android|blackberry|ipad|iphone|ipod|iemobile|opera mobile|palmos|webos|googlebot-mobile" [NC,OR]
RewriteCond %{HTTP:Profile}       !^$
RewriteCond %{QUERY_STRING} !^mobile=0(?:&|$)
# Check if we're not already on the mobile site
RewriteCond %{HTTP_HOST}          !^m\.
# Check to make sure we haven't set the cookie before
RewriteCond %{HTTP:Cookie}        !\mobile=0(;|$)
# Now redirect to the mobile site
RewriteRule ^ http://m.yourdomain.com%{REQUEST_URI} [R,L]

# Go back to full site
RewriteCond %{HTTP_HOST} ^m\.
RewriteCond %{QUERY_STRING} (?:^|&)mobile=0(?:&|$)
RewriteRule ^ http://yourdomain.com%{REQUEST_URI} [R,L]

RewriteCond %{REQUEST_FILENAME} -s [OR]
RewriteCond %{REQUEST_FILENAME} -l [OR]
RewriteCond %{REQUEST_FILENAME} -d
RewriteRule ^ - [NC,L]

RewriteRule ^.*$ index.php [NC,L]