Editing lastRSSLoad - SmartyWiki

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<?php

/*
 * Smarty plugin
 * -------------------------------------------------------------
 * Type:     function
 * Name:     lastrss_load
 * Version:  0.1
 * Date:     August 8, 2004
 * Author:   Monte Ohrt <monte@ispi.net> and Stu Wilson <dammitjanet@rainbowfly.net>
 * Purpose:  fetch rss feed, assign to template var
 * Requires: * php must be compiled --with-xml
 *           * lastrss lib: http://lastrss.webdot.cz/
 * Install:  * put lastrss.php in include_php path or in plugin dir
 *           * put function.lastrss_load.php in plugin dir
 *           * call from within a template
 *
 * Input:    file = local file or URL of rss
 *           assign = template var to assign parsed data
 *           cache_dir = directory to store cache (opt,
 *                       default=$smarty->cache_dir)
 *           cache_lifetime = number of seconds cache file
 *                            is valid (opt, default=3600)
 *
 * Examples: {lastrss_load
 *              file="http://www.php.net/news.rss"
 *              assign="phpnews"}
 *           {section name=rss loop=$phpnews.items}
 *              <a href="{$phpnews.items[rss].link}">
 *              {$phpnews.items[rss].title}</a><br>
 *           {/section}
 * -------------------------------------------------------------
 */
function smarty_function_lastrss_load($params, &$smarty)
{
    if ($params['file'] == '') {
        $smarty->trigger_error("lastrss_load: missing 'file' parameter");
        return;
    }
    if ($params['assign'] == '') {
        $smarty->trigger_error("lastrss_load: missing 'assign' parameter");
        return;
    }

require_once('lastRSS.php');

if(class_exists('lastRSS')) {

$_rss =& new lastRSS();

if(isset($params['cache_dir'])) {
			$_rss->cache_dir = $params['cache_dir'];
		} else {
			$_rss->cache_dir = $smarty->cache_dir;
		}
		if(isset($params['cache_lifetime'])) {
			$_rss->cache_time=$params['cache_lifetime'];
		} else {
			$_rss->cache_time=3600; // one hour
		}
		if($rs = $_rss->get($params['file'])) {
			$smarty->assign($params['assign'], $rs);
		} else {
        	$smarty->trigger_error("lastrss_load: unable to read '{$params['file']}'");
		}
	} else {
        $smarty->trigger_error("lastrss_load: unable to load lastRSS library");
	}
}

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