| private getDateFromDublinCore ( ) : DateTime | null | ||
| return | DateTime | null | |
private function getDateFromDublinCore()
{
$dt = null;
$nodes = $this->article()->getRawDoc()->find('*[name="dc.date"], *[name="dc.date.issued"], *[name="DC.date.issued"]');
/* @var $node Element */
foreach ($nodes as $node) {
try {
if ($node->hasAttribute('content')) {
$dt = new \DateTime($node->getAttribute('content'));
break;
}
} catch (\Exception $e) {
// Do nothing here in case the node has unrecognizable date information.
}
}
if (!is_null($dt)) {
return $dt;
}
return $dt;
}