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LoveAndCoding
Asked: 2011-08-16 17:07:53 +0800 CST

.htaccess RewriteRule not splitting where I'd like

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So, I'd like to turn the following url:

tags/tag1/tag2/tag3

into one that is parameterized like:

tags.php?tags=tag1&tags=tag2&tags=tag3

which has left me with the following RewriteRules (among others)

RewriteRule ^tags/([^/]+)(/.+)?$ tags.php?tags=$1$2 [C]
RewriteRule ^tags.php?tags=([^/]+)/([^/]+)(/.+)?$ tags.php?tags=$1&tags=$2$3 [N]

but when I pull up the tags variable using php I get "tag1/tag2/tag3", which leads me to believe it is not running correctly. Anyone have any idea why the second rule isn't even getting applied once?

apache-2.2 rewrite .htaccess mod-rewrite

2 Answers

  1. # Mostly the same as your first one - tweaked to allow for the second capture
# to be empty (1 tag) and to allow for (and ignore) a trailing slash:
RewriteRule ^tags/([^/]+)(/?.*)/?$ tags.php?tags=$1$2 [C]

# Again, minor tweak, allowing a blank string in the third match so the last
# run of the mangling (when you have `tags=tags1&tags=tags2/tags3`) doesn't come
# back with no match.
RewriteCond %{QUERY_STRING} ^tags=([^/]+)/([^/]+)(/?.*)$

# Match the file exactly; only happens if the condition matched (if a slash
# was found in the query params)
RewriteRule ^tags.php$ tags.php?tags=%1&tags=%2%3 [N]
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  2. Best Answer

    What I ended up going with was:

    RewriteRule ^tags/?$ tags.php [L]
RewriteRule ^tags/&(tags\[\]=.*)$ tags.php?$1 [L]
RewriteRule ^tags/([^/]+)(/?.*)$ tags/$2&tags[]=$1 [L]

    Which does the same thing but builds it in reverse.

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