Hello,
I am trying to use mod_rewrite (apache 2) to give my website pretty
URLs, but for some reason I get stuck in a 301 redirect loop. I have
looked at the code over and over again. I know what lines cause the loop
but I can't find out why it's looping. There's probably something wrong
with my understanding of mod_rewrite. Anyway, here are the rules I use
(numbered for ease):
This bit takes an old, ugly URL and redirects to a new, pretty URL with
a 301. In my understanding the l stops mod_rewrite and the browser
simply sends out a new request for the new URL. Example:
index.php?t=somepage becomes /page/somepage/
(1) RewriteCond %{query_string} t=([a-z]+)
(2) RewriteRule ^index.php$ /page/%1/? [r=301,l]
The next rule makes sure that the pretty URLs all end in a slash. It
also does a 301 redirect causing the browser to send a new request.
(3) RewriteRule ^page/([^/]+)$ /page/$1/ [r=301,l]
Here I parse the new pretty URL to get the old URL back for processing.
(4) RewriteRule ^page/([^/]+)/$ /index.php?t=$1
Rule 1 and 2 work. I get the pretty URL in my address bar. Rule 3 and 4
also work, but only if I comment out rule 1 and 2. If all 4 rules are
active I get 301 redirects on the new pretty URL. It doesn't matter if
the pretty URL came from rule 1 and 2 or if I manually type a pretty URL
in the address bar.
The thing I don't get: Why would rule 1 and 2 affect a pretty URL? It
doesn't match! Only rule 4 should match a pretty URL, and when rule 4
turns the pretty URL back into an old URL, the rewriting is done.
Unless I completely misunderstand mod_rewrite and for some reason the
rules are parsed *again* after rule 4 has been applied...
Any help would be greatly appreciated. Kind regards,
--
Sander Marechal
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