Your IP : 216.73.216.61
<?php
namespace YOOtheme\Widgetkit\Content\rss;
use YOOtheme\Framework\Application;
use YOOtheme\Framework\ApplicationAware;
class RSSApp extends ApplicationAware
{
/**
* Constructor.
*
* @param Application $app
*/
public function __construct(Application $app)
{
$this->app = $app;
}
public function fetch($params, $content)
{
// Cache settings
$now = time();
$expires = 5 * 60;
// Cache invalid?
if (
!isset($content['hash']) || // never cached
$now - $content['hashed'] > $expires || // cached values too old
md5(serialize($params)) != $content['hash']
) {
// content settings have changed
$feed = simplexml_load_string($this->url_get_contents($params['source']));
$posts = [];
if ($feed && isset($feed->channel->item)) {
foreach ($feed->channel->item as $item) {
$posts[] = [
'title' => (string) $item->title,
'content' => (string) $item->description,
'date' => (string) $item->pubDate,
'link' => trim($item->link),
];
if (
($params['limit'] && sizeof($posts) == $params['limit']) ||
sizeof($posts) == 60
) {
break;
}
}
// write cache
$content['prepared'] = json_encode($posts);
$content['hash'] = md5(serialize($params));
$content['hashed'] = $now;
$this->app['content']->save($content->toArray());
return $posts;
}
if (!isset($content['prepared']) && md5(serialize($params)) != $content['hash']) {
return $posts;
}
}
// read from cache
$posts = json_decode($content['prepared'], true);
return $posts ?: [];
}
protected function url_get_contents($url)
{
$content = '';
if (function_exists('curl_exec') && ini_get('open_basedir') === '') {
$conn = curl_init($url);
curl_setopt($conn, CURLOPT_SSL_VERIFYPEER, true);
curl_setopt($conn, CURLOPT_FRESH_CONNECT, true);
curl_setopt($conn, CURLOPT_RETURNTRANSFER, 1);
curl_setopt(
$conn,
CURLOPT_USERAGENT,
'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.17 (KHTML, like Gecko) Chrome/24.0.1312.52 Safari/537.17'
);
curl_setopt($conn, CURLOPT_AUTOREFERER, true);
curl_setopt($conn, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($conn, CURLOPT_VERBOSE, 0);
$content = curl_exec($conn);
curl_close($conn);
}
if (!$content && function_exists('file_get_contents')) {
$content = @file_get_contents($url);
}
if (!$content && function_exists('fopen') && function_exists('stream_get_contents')) {
$handle = @fopen($url, 'r');
$content = @stream_get_contents($handle);
}
return $content;
}
/**
* Hashes request parameters.
*
* @param $params
* @return string
*/
protected function hash($params)
{
$fields = [$params];
return md5(serialize($fields));
}
}