vb.org Archive - Fetching a custom template within a function

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- - Fetching a custom template within a function (https://vborg.vbsupport.ru/showthread.php?t=176599)

inthezone

04-19-2008 04:38 AM

Fetching a custom template within a function

PHP Code:


		
			
function displayHeader()        

{

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

        echo $myheader;

}

displayHeader();

I have a custom template named 'myheader'. When I try to call it with the above function, I get a blank page. However, if I replace "fetch_template('myheader')" with "fetch_template('header')" vBulletin's standard header template is displayed.

How would I go about calling my custom template from this function?

nighthalk

04-19-2008 04:56 AM

<a href="https://vborg.vbsupport.ru/showthread.php?t=119933&highlight=fetch+custom+tem plate" target="_blank">https://vborg.vbsupport.ru/showt...ustom+template</a>

That should help.

inthezone

04-19-2008 05:23 AM

Quote:

Originally Posted by nighthalk (Post 1494282)

https://vborg.vbsupport.ru/showthrea...ustom+template

That should help.

Interesting, but it doesn't seem to work.

Something else of note: if I take the code out of the function and call it inline, the custom template works fine. Maybe that helps...

inthezone

04-20-2008 05:46 AM

Turns out that 'myheader' worked in the function. The problem was that 'myheader' contains references to vB's default header template (as '$header'), and that wasn't working within the function. To get around this, I have to manually call eval('$header = "' . fetch_template('header') . '";'); within the function.

This brings me to my new question: I have some plugin code in the global_start hook that works fine, unless I call it from within a function. How would I go about doing this?

Opserty

04-20-2008 08:51 AM

If you want to access variable define outside a function you need to use the global keyword to enable it to work inside the function. For example:

PHP Code:


		
			
function displayHeader()         
{ 
        global $header;

        eval('$myheader = "' . fetch_template('myheader') . '";'); 
        echo $myheader; 
}

Dismounted

04-20-2008 08:58 AM

No need for the colon (does it even work that way?), it should be simply:

PHP Code:


		
			
global $header;

Opserty

04-20-2008 09:00 AM

Oops my bad. Wasn't concentrating. :p

inthezone

04-20-2008 11:02 PM

Thanks! A new challenge, though...

I'm now trying to fetch $myheader through a parse_templates plugin, so I no longer have to include that line in my function:

PHP Code:


		
			
// Code in vB's plugin system
eval('$myheader = "' . fetch_template('myheader') . '";');

// myheader template code in vB
$stylevar[htmldoctype]
<html id="moooo" dir="$stylevar[textdirection]" lang="$stylevar[languagecode]">
<head>
$headinclude
<title>$vboptions[bbtitle] - $pagetitle</title>
</head>
<body>
$header

// Function in my code, separate from vB
function displayHeader()         
{ 
        global $myheader, $header;
        echo $myheader; 
}

In my function, $myheader can't see the $header variable and $header isn't displayed. What am I missing?

Dismounted

04-21-2008 06:04 AM

Use var_dump and dump the variable to see if it exists.

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