Passing variables in the query string

[v0xb0x]

Opserty...as you described, I got "int(2)" in the top LEFT of the page. (no need to view HTML)

So, the value is getting passed into the page successfully. This is good.

Why can I not call that variable in the HTML tag below? Do I need to escape the variable name perhaps?

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

Again, this should evaluate as:

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

PERSONAL NOTE: Many thanks for your time and expertise. Please let me know how I can repay the favor.

[Opserty]

Ok that is good news. At least it is being passed correctly. (You can remove the var_... line if you haven't done so already).

In place of the var_... line add this:

PHP Code:

$specialvar_b =& $vbulletin->GPC['b']; 


Type $specialvar_b into your template, instead.

[MoT3rror]

The header template is eval in global.php so showthread_start is to late to insert variables into.

You can use to code after all your code in your plugin

PHP Code:

eval('$header = "' . fetch_template('header') . '";'); 


or use global_start and use a if condition like this

PHP Code:

if(THIS_SCRIPT = 'showthread')
{
//your code
} 


[Opserty]

Oh, forgot about that Well spotted

v0xb0x 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.

[v0xb0x]

Reading...

--------------- 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.

[Opserty]

Use:

PHP Code:

if(THIS_SCRIPT == 'forumdisplay')
{
# 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));
} 


[v0xb0x]

HOLD THE PRESSES!
HOLD THE PRESSES!

By withdrawing the code from the condition, the variable is being passed successfully!

So, here's what we have in the plugin - location is 'global_start':

PHP Code:

# Sanitize the variables, all of them are unsigned integers
$vbulletin->input->clean_array_gpc('r', array('c' => TYPE_UINT, 'e' => TYPE_UINT, 'g' => TYPE_UINT)); 


Here's what we have in the header template:

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

...which is being evaluated correctly as:

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

Outstanding!

Gents, I appreciate your time, patience and expertise.

Please let me know how I can return the favor.

--------------- Added [DATE]1214867069[/DATE] at [TIME]1214867069[/TIME] ---------------

Follow Up!

Is there an easy way for me to get these values that I pass into the vBulletin templates to persist for the life of the user's session?

Is there a switch that we can call to maintain the values I pass in?

[lendelgan@gmail]

ok, I am having trouble with this same thing.

I have:

PHP Code:

$globals = array(
    'a'    => TYPE_UINT,
    'b'    => TYPE_UINT,
    'c'     => TYPE_NOHTML,
);
$vbulletin->input->clean_array_gpc('r',$globals); 


(this gets accessed like: script.php?a=3&b=4&c=some+Value)
later I have

PHP Code:

$x = $vbulletin->GPC['a']; 


however:

PHP Code:

echo $x; 


returns nothing but when we do

PHP Code:

print_r($vbulletin->GPC);
$x = $vbulletin->GPC['a'];
echo $x; 


The value (3) gets returned.

this is irritating, because I can't figure out when the variable will be set and when it won't.

For

PHP Code:

$x = $vbulletin->GPC['c'];
echo $x; 


Works fine. If someone could tell me what I am doing wrong I would appreciate it.

[Dismounted]

Make sure you globalise $vbulletin if calling from inside a function.

[mooreaa]

This is a helpful bit, but I'm having one little issue with it.

On topics with multiple pages when I click to go to the next page, my varible gets lost... is there anyway to scope variables to retain them within a thread?

IE when you visit ....showthread.php?t=3&myvar=2 then when I click on page 2 of this thread, i want it to go to showthread.php?t=3&page=2&myvar=2

Again, within the tread only... so I guess I need to somehow modify the thread pagination links