/**
* Adds sitemaps $aSitemaps to index $sFilename. If index doesn't exists it will be created.
*
* @param string $aSitemaps
* @param string $sFilename
* @param bool $bSaveCompressed
*/
public static function updateSitemapIndex($aSitemaps, $sFilename, $bSaveCompressed = true)
{
if (file_exists($sFilename)) {
$oSitemapIndex = new self();
$oSitemapIndex->open($sFilename);
} else {
$oSitemapIndex = new self();
}
$oSitemapIndex->addSitemaps($aSitemaps);
if ($bSaveCompressed == true) {
$oSitemapIndex->saveCompressed($sFilename);
} else {
$oSitemapIndex->saveUncompressed($sFilename);
}
}
