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Some basics of vB3(mini howto)
Zachery's Avatar
Zachery
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Zachery Zachery is offline 01-08-2004, 10:00 PM

Some basics of vB3(mini howto)
also some basic php junk
the most important thing if you want to make pages based on templates or anything of the such would be to first know how to "

connect" to vbulletin, and then learn how to call and eval templates. so lets take a look at the most BASIC page we can do
PHP Code:
<?php
// ## Changes Directory so it can accesss vBulletin IF we are outside the forums folder, if not this is not nessary ##
chdir("./forums");
 
// ## Error Reporting ( we use error reporting in php so we can control the display of error messages
// ## we will use this because all vBulletin files follow the same error reporting rules) ##
error_reporting(E_ALL & ~E_NOTICE);
 
// ## this action here cache's the templates so that everytime their needed a querry wont be needed to run 
// ## the names in there are just the template names :), there must be a comma after everyone but the last ##
$globaltemplates = array(
'main'
);
 
// ## Grabs global.php this grabs vbulletins global.php so we can use the most basic of vBulletins functions ##
require_once("./global.php");
 
// ## this calls to print out one main template ##
eval('print_output("' fetch_template('main') . '");');
?>
So theres a basic file, if your going to make one, that would i think be the mininum needed. now if you are going to be making

somthing abit more advanced. suchas calling more than one template, or doing an action it becomes abit more complicated


PHP Code:
<?php
// ## Changes Directory so it can accesss vBulletin IF we are outside the forums folder, if not this is not nessary ##
chdir("./forums");
 
// ## Error Reporting ( we use error reporting in php so we can control the display of error messages
// ## we will use this because all vBulletin files follow the same error reporting rules) ##
error_reporting(E_ALL & ~E_NOTICE);
 
// ## this here defines the "this_script" function, which if you use template conditionals, it will come in handy :) ##
define('THIS_SCRIPT''page');
 
// ## this action here cache's the templates so that everytime their needed a querry wont be needed to run
// ## the names in there are just the template names :), there must be a comma after everyone but the last ##
$globaltemplates = array(
'main',
'big',
'small'
);
 
// ## Grabs global.php this grabs vbulletins global.php so we can use the most basic of vBulletins functions ##
require_once("./global.php");
 
// ## ok this next set of lines "eval"'s our templates so they can be called inside the template we will print out ##
eval('$big = "' fetch_template('big') . '";');
eval(
'$small = "' fetch_template('small') . '";');
 
// ## this calls to print out one main template ##
eval('print_output("' fetch_template('main') . '");');
?>

PHP Code:
// ## if were going to use actions and their templates
// ## arnt used anywhere else in the file but the actions we add this
// ## under $globaltemplates = array();
// ## where small is would be the action name
// ## and other is the template used ##
$actiontemplates = array(
                            
'small' => array(
                                                     
'other'
                                                    
)
); 
// ## this is a action, and it can be added before the final
// ## eval('print_output("' . fetch_template('main') . '");');
// ## anything done before this request can be called inside the template
// ## so lets say if you evalled the template big, as $bit, it can be called
// ## here with other. ##
if ($_REQUEST['do'] == 'small')

eval(
'print_output("' fetch_template('other') . '");'); 

one more note

if your going to write a script that is ALL actions you should add somthing like this right after the call to gobal.php
PHP Code:
if (empty($_REQUEST['do'])) 
{
$_REQUEST['do'] == 'small';

this will ensure that if the usergoes to foo.php instead of foo.php?do=small they will still see the correct page

Mini Tut by Faranth
(with some help from Brad.loo fixing my silly newbie mistakes )
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  #22  
Old 01-11-2004, 08:00 PM
rrottman rrottman is offline
 
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@Faranth:
Additionally, you say that

$globaltemplates = array('main');

is for caching templates? How does this work? To me it appears as if you just declare a local array? The fetch_template function in functions.php does not reference any var named $globaltemplates. Could you possibly explain why you init this array in the page?

And I'm still not getting the template :-(

THANKS FOR BEING PATIENT WITH ME! :-)
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Old 01-11-2004, 08:03 PM
rrottman rrottman is offline
 
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Some more troubleshooting steps it now appears as if the fetch_template does not return any content. It's empty... hmm... HELP!
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Old 01-11-2004, 08:14 PM
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Zachery Zachery is offline
 
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Quote:
Originally Posted by rrottman
Some more troubleshooting steps it now appears as if the fetch_template does not return any content. It's empty... hmm... HELP!
sorry ive been working on stuff, you can wait more than 3 min for a nother post too ;D

yes $globaltemplates cach's the template

do you HAVE a template called main in the database?
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Old 01-11-2004, 08:22 PM
rrottman rrottman is offline
 
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Faranth, my capitalized "help" was in no way ment to offend you in any way. It's just I was in such a despair...

Do I have a template called "main"... honestly, I don't know. Maybe. Is there any standard template, comming with the clean default vB3 RC2 install I could test instead?

And: I understood that you were saying that the $globaltemplates array is done to cache templates but I don't know how it does so. Is there a GLOBAL variable named $globaltemplates in the vB system? I mean, if I put this statement at the top of my script, all it does is create an array with a single string value but how does this "instruct" vb to cache a template?
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  #26  
Old 01-11-2004, 08:25 PM
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Zachery Zachery is offline
 
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lol thats most lily your problem you dont have another tempalte atm lol ^^


make a new template called main and add anything you like to it
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  #27  
Old 01-11-2004, 08:29 PM
rrottman rrottman is offline
 
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And one more question, Faranth (sorry, knowing that you're online is just too attractive.. :-) ):

Why do I have to use eval(...). Couldn't I just do a

$output = fetch_template(...);
echo $output;

?
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  #28  
Old 01-11-2004, 08:31 PM
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why two lines?

eval('print_output("' . fetch_template('main') . '");');

one simple line, plus this is how its done for all files in vb
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Old 01-11-2004, 08:34 PM
rrottman rrottman is offline
 
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Hmm. I see. I might not have asked my question the right way. (I'm not a native English speaker. Sorry again.)

I was wondering why to use the eval() at all?
Why not:

echo fetch_template("FORUMHOME");

but instead:

eval('echo "'.fetch_template(...).'");');

So my main question was: Why do we use eval here? Is it, because templates might contain php code, too? or vars?

(Btw.: You were right with the "main" template. If I replace it with e.g. FORUMHOME, it works great.)

I still do not understand how the declaration of the local variable $globaltemplates helps caching...
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  #30  
Old 01-11-2004, 08:35 PM
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ah yes, actually , if conditions are inlaid php all of the tempaltes are stored in php format to boot
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  #31  
Old 01-12-2004, 08:35 PM
VodkaFish VodkaFish is offline
 
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If I slap your (longer) example into a blank .php page and use the shell_blank as my template (unchanged); I get an "object expected" error when the page tries to run this script:
Code:
<script type="text/javascript">
<!--
	// Main vBulletin Javascript Initialization
	vBulletin_init();
//-->
</script>
* The page I wrote was in a different directory, so I used this:
PHP Code:
chdir("../forums"); 
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