Passing variables in the query string

[v0xb0x]

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--------------- Added [DATE]1214861398[/DATE] at [TIME]1214861398[/TIME] ---------------

Originally Posted by Opserty

...use the code you posted in post #7, but with the hook location global_start and combine it with the second piece of PHP code posted by MoT3rror. Then the code in post #8 should work, hopefully.

No joy. This does NOT pass the variable into the HTML tag.

Here's the current evolution:

1. Plug-in's are enabled in Admin-CP
2. Created a new plugin called navTransport
3. Hook Location is now 'global_start'
4. Inserted this code:

PHP Code:

if(THIS_SCRIPT = 'showthread')
{
# Sanitize the variables, all of them are unsigned integers
$vbulletin->input->clean_array_gpc('r', array('b' => TYPE_UINT, 'e' => TYPE_UINT, 'g' => TYPE_UINT));
} 


I have the following HTML tag in the header template

<a href="/forums/forumdisplay.php?f={$vbulletin->GPC['b']}">

This should evaluate as:

<a href="/forums/forumdisplay.php?f=2">

However, it is evaluating as:

<a href="/forums/forumdisplay.php?f=">

The query string being passed into the page is:

http://www.mydomain.com/forums/forum...=9&e=2&b=2&g=4

So close here. Any other ideas? Is there some special 'escaping' I need to perform on the variable to expose it?

Again, thank you _both_ for your foo.