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How To $_GET['id'] From A Clean Url Like "example.com/products/123/title-of-this-product"?

- 1 answer

I'd like my URL to look like this:

example.com/products/123/title-of-this-product

The actual URL is this:

example.com/products.php?id=123&title=title-of-this-product

The .htaccess file correctly interprets my URLs so that users who are on this page only see the clean URL. However, if I try to use $_GET['id'] on the products.php page, the script crashes because it doesn't recognize any id in the URL.

.htaccess code:

Options +FollowSymLinks +MultiViews

RewriteEngine On
RewriteRule ^([0-9]+)(?:/([^/]*))?/?$ ./products.php?id=$1&title=$2 [L,NC]

products.php code:

$product_id = isset($_GET['id']) ? $_GET['id'] : "Error! I can't find your product!";

How can I retain the URL parameters for PHP functions if I want a clean URL?

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Answer

You actually have 2 problems here...

  1. MultiViews (part of mod_negotiation) is enabled and it's this that is serving products.php.
  2. Your RewriteRulepattern is incorrect and won't match the requested URL.
Options +FollowSymLinks +MultiViews

You need to disable MultiViews (you have explicitly enabled it). It is MultiViews (part of mod_negotiation) that is serving your products.php file (without any URL parameters), not the mod_rewrite directive that follows. MultiViews essentially allows extensionless URLs with minimal effort, however, it can be the cause of unexpected conflicts (with mod_rewrite) - as in this case.

Your RewriteRule directive is not actually doing anything. If the .htaccess file is located in the document root then the RewriteRulepattern^([0-9]+)(?:/([^/]*))?/?$ does not match the requested URL (/products/123/title-of-this-product), so the directive is not actually processed at all (although MultiViews would still override this even if it did).

Try it like this instead:

# Disable MultiViews
Options +FollowSymLinks -MultiViews

RewriteEngine On
RewriteRule ^products/([0-9]+)(?:/([^/]*))?/?$ products.php?id=$1&title=$2 [L,NC]

You were missing products from the start of the URL-path matched by the RewriteRulepattern. Without products/ at the start of the regex it would only match if you are in a /products/ subdirectory, ie. /products/.htaccess. The RewriteRule directive matches relative to the location of the .htaccess file itself.

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source: stackoverflow.com
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