public function Items()
{
$this->Pages = Versioned::get_by_stage('SiteTree', 'Live');
$newPages = new DataObjectSet();
foreach ($this->Pages as $page) {
// Only include pages from this host and pages which are not an instance of ErrorPage
// We prefix $_SERVER['HTTP_HOST'] with 'http://' so that parse_url to help parse_url identify the host name component; we could use another protocol (like
// 'ftp://' as the prefix and the code would work the same.
if (parse_url($page->AbsoluteLink(), PHP_URL_HOST) == parse_url('http://' . $_SERVER['HTTP_HOST'], PHP_URL_HOST) && !$page instanceof ErrorPage) {
// If the page has been set to 0 priority, we set a flag so it won't be included
if ($page->canView() && (!isset($page->Priority) || $page->Priority > 0)) {
// The one field that isn't easy to deal with in the template is
// Change frequency, so we set that here.
$properties = $page->toMap();
$created = new SSDatetime();
$created->value = $properties['Created'];
$now = new SSDatetime();
$now->value = date('Y-m-d H:i:s');
$versions = $properties['Version'];
$timediff = $now->format('U') - $created->format('U');
// Check how many revisions have been made over the lifetime of the
// Page for a rough estimate of it's changing frequency.
$period = $timediff / ($versions + 1);
if ($period > 60 * 60 * 24 * 365) {
// > 1 year
$page->ChangeFreq = 'yearly';
} elseif ($period > 60 * 60 * 24 * 30) {
// > ~1 month
$page->ChangeFreq = 'monthly';
} elseif ($period > 60 * 60 * 24 * 7) {
// > 1 week
$page->ChangeFreq = 'weekly';
} elseif ($period > 60 * 60 * 24) {
// > 1 day
$page->ChangeFreq = 'daily';
} elseif ($period > 60 * 60) {
// > 1 hour
$page->ChangeFreq = 'hourly';
} else {
// < 1 hour
$page->ChangeFreq = 'always';
}
$newPages->push($page);
}
}
}
return $newPages;
}
