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cache confusion

 
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mje113
Smarty n00b


Joined: 12 Nov 2003
Posts: 1
PostPosted: Wed Nov 12, 2003 5:54 pm    Post subject: cache confusion Reply with quote
Ok, I understand the concept of compiled templates... it makes sense as to how it can speed up execution times.

I also understand the concept behind the cache, as it also should speed up execution time. What I don't understand is how exactly it happens (and is it actually happening at all).

So far (and I'm new to this), most of my code structure is as follows:

--index.php--

Code:
<?php
require('Smarty.class.php');
$smarty = new Smarty;

// do a bunch of SQL queries and operations on returned data

$smarty->assign('data','returned data');
$smarty->display('index.tpl');
?>


--index.tpl--
Code:
{$data}


So, everytime someone visits index.php, all of my queries and operations on that data are going to happen before Smarty takes over and displays (possibly the cache) the template... right? So how is a cache file speeding things up?

Thanks a bunch.
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Troublegum
Smarty Rookie


Joined: 07 Sep 2003
Posts: 33
Location: Germany
PostPosted: Wed Nov 12, 2003 5:56 pm    Post subject: Reply with quote
Take a look at http://smarty.php.net/manual/en/caching.php
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messju
Administrator


Joined: 16 Apr 2003
Posts: 3336
Location: Oldenburg, Germany
PostPosted: Wed Nov 12, 2003 5:56 pm    Post subject: Reply with quote
use is_cached() to avoid querying the db unnecessarily: http://smarty.php.net/manual/en/api.is.cached.php

HTH
messju
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