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+fetch()
+
+returns the template output
+
+Description
+===========
+
+string
+
+fetch
+
+string
+
+template
+
+string
+
+cache\_id
+
+string
+
+compile\_id
+
+This returns the template output instead of [displaying](#api.display)
+it. Supply a valid [template resource](#resources) type and path. As an
+optional second parameter, you can pass a `$cache id`, see the [caching
+section](#caching) for more information.
+
+PARAMETER.COMPILEID
+
+
+    <?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 $output;
+    ?>
+
+        
+
+The `email_body.tpl` template
+
+
+    Dear {$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()`](&url.php-manual;function.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}`](#language.function.fetch)
+[`display()`](#api.display), [`{eval}`](#language.function.eval), and
+[`templateExists()`](#api.template.exists).