/**
* Load and extract an external author definition
*
* @return NULL|\Jkphl\Micrometa\Item Author micro information item
* @deprecated Will be dropped in favour of the authorship algorithm, see author()
*/
public function externalAuthor()
{
$author = null;
$rels = $this->rels();
if (!empty($rels['author']) && is_array($rels['author'])) {
foreach ($rels['author'] as $authorProfileUrl) {
$authorProfile = new self($authorProfileUrl);
$authorItem = $authorProfile->item('http://schema.org/Person', 'http://data-vocabulary.org/Person', 'h-card');
if ($authorItem instanceof \Jkphl\Micrometa\Item) {
$author = $authorItem;
break;
}
}
}
return $author;
}
