function merge_items($urls, $start = 0, $end = 0)
{
if (is_array($urls) && sizeof($urls) > 0) {
$items = array();
foreach ($urls as $arg) {
if (SimplePie_Misc::is_a($arg, 'SimplePie')) {
$items = array_merge($items, $arg->get_items());
} else {
trigger_error('Arguments must be SimplePie objects', E_USER_WARNING);
}
}
$do_sort = true;
foreach ($items as $item) {
if (!$item->get_date('U')) {
$do_sort = false;
break;
}
}
$item = null;
if ($do_sort) {
usort($items, array('SimplePie', 'sort_items'));
}
if ($end == 0) {
return array_slice($items, $start);
} else {
return array_slice($items, $start, $end);
}
} else {
trigger_error('Cannot merge zero SimplePie objects', E_USER_WARNING);
return array();
}
}
public static function autoDiscovery($url)
{
$parts = parse_url($url);
if (empty($parts['path'])) {
$url .= '/';
}
$result = '';
$proxy = null;
if (sfConfig::get('op_http_proxy')) {
$proxy = sfConfig::get('op_http_proxy');
}
$file = @new SimplePie_File($url, 10, 5, null, null, false, $proxy);
$locator = new SimplePie_Locator($file, 10, null, 'SimplePie_File', 10, $proxy);
$feedUrl = $locator->find();
if (SimplePie_Misc::is_a($feedUrl, 'SimplePie_File')) {
$result = $feedUrl->url;
}
return $result;
}
/**
* RSS/Atom Auto-Discovery に対応したlinkタグからURLを抽出する(static)
*/
function auto_discovery($url)
{
// path 未指定の場合は「/」に設定する
$parts = parse_url($url);
if (empty($parts['path'])) {
$url .= '/';
}
$result = '';
if (OPENPNE_USE_HTTP_PROXY) {
$proxy = OPENPNE_HTTP_PROXY_HOST . ":" . OPENPNE_HTTP_PROXY_PORT;
}
$file = @new SimplePie_File($url, 10, 5, null, null, false, $proxy);
$locator = new SimplePie_Locator($file, 10, null, 'SimplePie_File', 10, $proxy);
$feed_url = $locator->find();
if (SimplePie_Misc::is_a($feed_url, 'SimplePie_File')) {
$result = $feed_url->url;
}
return $result;
}