File Source for block.securityutil_checkpermission

<?php
/**
* Zikula Application Framework
*
* @copyright (c) 2004, Zikula Development Team
* @link http://www.zikula.org
* @version $Id: block.securityutil_checkpermission_block.php 24342 2008-06-06 12:03:14Z markwest $
* @license GNU/GPL - http://www.gnu.org/copyleft/gpl.html
* @package Zikula_Template_Plugins
* @subpackage Blocks
*/
/**
* Smarty block to implement PN permissions checks in a template
*
* available parameters:
* - component the component under test
* - instance the instance under test
* - level the level of access required
*
* Example
*
* do some stuff now we have permission
*
*
* @author Mark West
* @since 16 Feb 06
* @param array $params All attributes passed to this function from the template
* @param string $content The content between the block tags
* @param object $smarty Reference to the Smarty object
* @return mixed the content if permission is held, null if no permissions is held (or on the opening tag), false on an error
*/
function smarty_block_securityutil_checkpermission_block($params, $content, &$smarty)
{
if (is_null($content)) {
return;
}
// check our input
if (!isset($params['component'])) {
$smarty->trigger_error('securityutil_checkpermission_block: attribute component required');
return false;
}
if (!isset($params['instance'])) {
$smarty->trigger_error('securityutil_checkpermission_block: attribute instance required');
return false;
}
if (!isset($params['level'])) {
$smarty->trigger_error('securityutil_checkpermission_block: attribute level required');
return false;
}
if (!SecurityUtil::checkPermission($params['component'], $params['instance'], constant($params['level']))) return;
return $content;
}

Source for file block.securityutil_checkpermission_block.php