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Name

fetch() — returns the template output

Description

string fetch(string template,
             string cache_id,
             string compile_id);

This returns the template output instead of displaying it. Supply a valid template resource type and path. As an optional second parameter, you can pass a $cache id, see the caching section for more information.

As an optional third parameter, you can pass a $compile_id. This is in the event that you want to compile different versions of the same template, such as having separate templates compiled for different languages. You can also set the $compile_id variable once instead of passing this to each call to this function.

Example 14.21. fetch()


<?php
include('Smarty.class.php');
$smarty = new Smarty;

$smarty->setCaching(true);

// set a separate cache_id for each unique URL
$cache_id = md5($_SERVER['REQUEST_URI']);

// capture the output
$output = $smarty->fetch('index.tpl', $cache_id);

// do something with $output here
echo $output;
?>

    


Example 14.22. Using fetch() to send an email

The email_body.tpl template


Dear {$contact_info.name},

Welcome and thank you for signing up as a member of our user group.

Click on the link below to login with your user name
of '{$contact_info.username}' so you can post in our forums.

{$login_url}

List master

{textformat wrap=40}
This is some long-winded disclaimer text that would automatically get wrapped
at 40 characters. This helps make the text easier to read in mail programs that
do not wrap sentences for you.
{/textformat}

    

The php script using the PHP mail() function


<?php

// get $contact_info from db or other resource here

$smarty->assign('contact_info',$contact_info);
$smarty->assign('login_url',"http://{$_SERVER['SERVER_NAME']}/login");

mail($contact_info['email'], 'Thank You', $smarty->fetch('email_body.tpl'));

?>

    


See also {fetch} display(), {eval}, and templateExists().