function collect_rss($rss, $cat_id)
{
global $db, $table, $upload_dir;
$rss = file_get_contents($rss);
$rss = mb_convert_encoding($rss, 'utf-8', 'gbk');
$rss = str_replace('gb2312', 'utf-8', $rss);
$xml = simplexml_load_string($rss);
foreach ($xml->channel->item as $item) {
$exist = $db->get_col("SELECT COUNT(*) FROM {$table} WHERE title = ?", array($item->title));
if ($exist) {
continue;
}
$article = array();
$article['cat_id'] = $cat_id;
$article['title'] = $item->title;
$article['link'] = $item->link;
$article['pub_date'] = date('Y-m-d H:i:s', strtotime($item->pubDate));
$article['add_time'] = date('Y-m-d H:i:s');
$article['source'] = $item->source;
$article['author'] = $item->author;
$article['cover_image'] = cover_image($item->description, $upload_dir);
$article['description'] = trim(strip_tags($item->description));
$db->insert($table, $article);
}
}
$this->newKey($uid);
}
return $key;
}
public function test()
{