rewrite subfolder doesn't work

Following rule doesn't work for subfolder rewriting.

RewriteRule ^cat/([0-9a-zA-Z]+) cat.php?id=$1
RewriteRule ^cat/([0-9a-zA-Z]+)/([0-9a-zA-Z]+) cat.php?id=$1&sid=$2


For example With this rule

<?php
$id='News';
$sid='Politics';
?>
<a href="cat/<?php echo $id?>/<?php echo $sid?>">..</a>


In next page, while echoing $_GET['sid'], it doesn't work

$_GET['sid']

Notice: Undefined index: sid in ...


But this rule

RewriteRule ^cat/([0-9a-zA-Z]+)/([0-9a-zA-Z]+) cat.php?id=$1&sid=$2


works, if only there is two querystring parameters

<a href="cat/<?php echo $id?>/<?php echo $sid?>">..</a>


but it generate ERROR 500 if there is only one parameter

ERROR 500

<a href="cat/<?php echo $id?>>..</a>


1 Answer
1

Try with below,

RewriteEngine On
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^cat/([0-9a-zA-Z]+)$ cat.php?id=$1 [L]
RewriteRule ^cat/([0-9a-zA-Z]+)/([0-9a-zA-Z]+)$ cat.php?id=$1&sid=$2 [L]


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