History of Unassign

Function that unassign a template variable or an item of an array.

Update 2006/05/16: the plugin is now more powerful, it can unassign array items!

Author: [Davide 'Design' Muzzarelli]

<code>

<?php

/**

* Smarty {unassign} compiler function plugin

*

* File: compiler.unassign.php<br>

* Type: compiler function<br>

* Name: unassign<br>

* Purpose: unassign a template variable or an item of an array.

*

* @link http://www.dav-muz.net/

* @version 2.0

* @copyright Copyright 2005-2006 by Muzzarelli Davide

* @license http://opensource.org/licenses/LGPL-3.0 GNU LGPL License

* @author Davide Muzzarelli <info@dav-muz.net>

*

* @param string containing var-attribute

* @param Smarty_Compiler object

* @return void|string

*/

function smarty_compiler_unassign($params, &$smarty) {

$params = $smarty->_parse_attrs($params);

if (!isSet($params['var'])) {

$smarty->_syntax_error("unassign: missing 'var' parameter", E_USER_WARNING);

return;

}

return "unset({$params['var']});";

?>

</code>

Example:

<code>

{* create the "foo" variable *}

{assign var="foo" value="bar"}

...

{* destroy the "foo" variable *}

{unassign var=$foo}

</code>

Example, unassign an array item:

<code>

...

{unassign var=$foo.bar}

</code>

Back to SmartyPlugins.