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oc-server3/htdocs/lib2/RSSParser.class.php

97 lines
2.7 KiB
PHP

<?php
/***************************************************************************
* For license information see doc/license.txt
*
* Unicode Reminder メモ
***************************************************************************/
class RSSParser {
/**
* parse
* @param int $items number of feeditems to parse from feed
* @param string $url url of the feed to parse
* @return string $item feeditems as HTML-string
*/
public static function parse($items,$url,$includetext)
{
global $tpl;
if ($items <= 0)
return '';
// error
$rss = array();
// check $url
if (preg_match('!^(http|https|ftp)\://([a-zA-Z0-9\.\-]+(\:[a-zA-Z0-9\.&amp;%\$\-]+)*@)*((25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9])\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[0-9])|localhost|([a-zA-Z0-9\-]+\.)*[a-zA-Z0-9\-]+\.(com|edu|gov|int|mil|net|org|biz|arpa|info|name|pro|aero|coop|museum|[a-zA-Z]{2}))(\:[0-9]+)*(/($|[a-zA-Z0-9\.\:\,\?\'\\\+&amp;%\$#\=~_\-]+))*$!',$url))
{
$tpl->assign('includetext',$includetext);
// get xml-data
$data = @file_get_contents($url);
// check data
if ($data !== false && strpos($data, 'rss version=') !== false)
{
// parse XML
try {
// get SimpleXML-object
$xml = new SimpleXMLElement($data);
$i=0;
$headlines = array();
// walk through items
foreach($xml->channel->item as $item) {
// check length
if($items != 0 && $i >= $items) {
break;
} else {
// add html
if ($includetext)
{
// fill array
$rss[] = array(
'pubDate' => strftime('%e. %B %Y',strtotime($item->pubDate)),
'title' => $item->title,
'link' => $item->link,
'description' => $item->description
);
// increment counter
$i++;
}
// htmlspecialchars_decode() works around inconsistent HTML encoding
// e.g. in SMF Forum Threads
else if (!in_array(htmlspecialchars_decode($item->title),$headlines) &&
strpos($item->title,'VERSCHOBEN') === FALSE) // hack to exclude forum thread-move messages
{
// fill array
$rss[] = array(
'pubDate' => strftime('%e. %B %Y',strtotime($item->pubDate)),
'title' => $item->title,
'link' => $item->link
);
$headlines[] = "" . htmlspecialchars_decode($item->title);
// increment counter
$i++;
}
}
}
}
catch(Exception $e)
{
}
}
}
// return
return $rss;
}
}
?>