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Glen Solsberry
Asked: 2010-02-27 15:58:16 +0800 CST

Apache RewriteRule with Querystring

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I've got a rewrite like this:

RewriteRule /products.php?id=123&t=12345 /product/New-Product-Name

If I turn on RewriteLogging, and turn the level up, I get the following:

applying pattern '/products.php?id=123&t=12345' to uri '/products.php'

Why is the full uri (including querystring) not being looked at?

apache-2.2 mod-rewrite

1 Answers

  1. Best Answer

    From the mod_rewrite docs:

    Note: Query String

    The Pattern will not be matched against the query string. Instead, you must use a RewriteCond with the %{QUERY_STRING} variable. You can, however, create URLs in the substitution string, containing a query string part. Simply use a question mark inside the substitution string, to indicate that the following text should be re-injected into the query string. When you want to erase an existing query string, end the substitution string with just a question mark. To combine a new query string with an old one, use the [QSA] flag.

    In short, you'll need to use a combination of RewriteCond and RewriteRule; maybe something like:

    RewriteCond %{QUERY_STRING} ^id=123&t=12345$
RewriteRule /products.php /product/New-Product-Name

    Update: I tested this, and it works as I described. It redirects to
    /product/New-Product-Name?id=123&t=12345.

    If you want the query string ?id=123&t=12345 to be removed, add a ? to the RewriteRule, like:

    RewriteRule /products.php /product/New-Product-Name?

    which will redirect to
    /product/New-Product-Name

    I'm imagining there's a better way to do this using RewriteMap, but this might do for a one-off.

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