eval template + fetch_template

[Vaupell]

Hi guys,,

Trying to figure out how precisely vb4 works compared to vb3.
cause not many syntaxes i used to use in *.php appear to be
working on vb4, when fetching and sending data between
teplates and db..

as a exsample, to experiment and learn a little
ive setup a small test product..

Goal : list userid's, username's, emails
Going through each step and makeing my notes ofcourse.

templates and php all set to go, except
im getting a error when i try to eval the data and fetch a template..

Error is fetch_template('$dbtestrow') . '");

PHP Code:

if ($_REQUEST['do'] == 'main')
{

$emailresult =$vbulletin->db->query_read("SELECT userid, username, email FROM " . TABLE_PREFIX . "user ORDER BY userid");
while ($row = $vbulletin->db->fetch_array($emailresult))
  {
      $userid = htmlspecialchars_uni($row['userid']);
    $username = htmlspecialchars_uni($row['username']);
    $usermail = htmlspecialchars_uni($row['email']);
    
    eval('$dbtestdata("' . fetch_template('$dbtestrow') . '");');
  }

// original print : 
// eval('print_output("' . fetch_template('dbtesttemplate) . '");');

// vb4 template ; may need to be changed.. 
 $templater = vB_Template::create('dbtesttemplate');
 $templater->register_page_templates();
 $templater->register('navbar', $navbar);
 $templater->register('pagetitle', $pagetitle);
 print_output($templater->render());
} 


so when i try to run it, i get the error that eval needs to be replaced with vb:template

Error :
Warning: fetch_template() calls should be replaced by the vB_Template class in [path]/includes/functions.php on line

cant find info on vb_template()..

help..

question on vbcom How to upgrade vb3 code

[Lynne]

You just need to change it to be like what you did for the template dbtesttemplate - you create it, register variables for it, then render it. Only difference is, you won't do print_output, you'll just assign it to a varialbe:

PHP Code:

$dbtestdata .= $templater->render(); 


[Vaupell]

since im creating an array, would i then need to put the variable register inside the
while loop, or just outside just before it render.. ?

im creating the table rows with the template dbtestrow
template dbtestrow :

	<tr align="center">
           <td>$userid </td><td>$username</td> <td>$usermail</td>
	</tr>

and i call the eval function from the main template

part of dbtesttemplate :

<br /><table align="center" border="1">
<tr class="blockhead"><td>Welcome to test database page</td></tr>
<tr></tr><tr></tr>

<!-- get rows -->
$dbtestdata

<!-- close table -->
</table><br />

so my new php would be something like

PHP Code:

while ($row = $vbulletin->db->fetch_array($emailresult))
  {
      $userid = htmlspecialchars_uni($row['userid']);
    $username = htmlspecialchars_uni($row['username']);
    $usermail = htmlspecialchars_uni($row['email']);
    
  // vb3 :  eval('$dbtestdata("' . fetch_template('$dbtestrow') . '");');
  $dbtestdata = vb_template::create($dbtestrow);

  }
  $dbtestdata->register('userid', $userid);  
  $dbtestdata->register('username', $username);  
  $dbtestdata->register('usermail', $usermail);  
 
 $templater = vB_Template::create('dbtesttemplate');
 $templater->register_page_templates();
 $templater->register('navbar', $navbar);
 $templater->register('pagetitle', $pagetitle);
 print_output($templater->render()); 


or did i (excuse my expression) fall of the wagon in the last cornor.

[Lynne]

You cannot register multiple variables like that. You need to do it like you did for the other template at the bottom. And,you still forgot the line I told you to add. Oh, and if you are then using that template in your bottom template, you need to register the variable there also.

Have you seen this - [vB4] Rendering templates and registering variables - a short guide