function SimpleRss($sUrl, $vCacheTime = 300, $iNumItems = -1, $sInputEncoding = '', $sOutputEncoding = 'UTF-8')
{
$this->oRssObject = new RssObject();
// this object holds the returned data
$this->iNumItems = $iNumItems;
$this->sInputEncoding = $sInputEncoding;
$this->sOutputEncoding = $sOutputEncoding;
// make sure caching hasn't been disabled
if ($vCacheTime) {
$oCache = new PhpCache($sUrl . '_' . $this->iNumItems, $vCacheTime);
}
// is caching disabled or if not has the cache expired
if (!$vCacheTime || !$oCache->Check()) {
$oHttp = new Http();
// request feed
if ($sData = $oHttp->Get($sUrl)) {
$this->bSuccessful = $this->Parse($sData);
// do we want to cache result
if ($vCacheTime) {
$oCache->Set($this->oRssObject);
}
}
} else {
// get data from cache
$this->oRssObject = $oCache->Get();
$this->bSuccessful = true;
$this->bCached = true;
}
// check to see if request was successful, if not try and retrieve stale cache
if (!$this->bSuccessful && $vCacheTime && $oCache->Exists()) {
// make cache fresh
$oCache->ReValidate();
// get data from cache
$this->oRssObject = $oCache->Get();
$this->bSuccessful = true;
$this->bCached = true;
// mark as stale request
$this->bStaleCache = true;
}
}
