htaccess重定向查询字符串+强制重定向

Question

Here is the deal I got this string with 2 OPTIONAL parameters

/index.php?lang=en&p=about

it could be both ways

/index.php?p=about&lang=bg

and the p parameter is optional it could go without the p or the lang one

So far I was able to redirect one of them from (1) /index.php?p=about to (2) /about what it does not do and I could only force it the other way around is to redirect the (1) to (2) . When you type (1) to redirect you to (2) . I did it in reverse using [R] ..

I am really bald in this htaccess patterns and stuff, so the harder question is about the 2nd query lang as your presume it's about changing the language so I gotta make it like

From /index.php?lang=en&p=about to /en/about , but also the /index.php?p=about&lang=en to lead to /en/about and those redirects to be forced when you type the whole query to be redirected to the seo friendly version.

Also when you don't have lang one it should go for the default en

I am testing right now various sample redirects, but so far nothing is working as it should.

Answer 1

You can use this rule that will support query parameters in any order:

RewriteEngine On
RewriteBase /

RewriteCond %{ENV:REDIRECT_STATUS} ^$
RewriteCond %{QUERY_STRING}     (?:^|&)lang=([^&]*)
RewriteCond %1::%{QUERY_STRING} (.*?)::(?:|.*&)p=([^&]*)
RewriteRule ^(index\.php)?$ /%1/%2? [L,NC,R=302]

RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^([a-z]+)/(\w+)/?$ index.php?lang=$1&p=$2 [L,QSA]