| public get_outermost_quote_authors ( string $xml ) : string[] | ||
| $xml | string | Parsed text |
| return | string[] | List of authors |
public function get_outermost_quote_authors($xml)
{
$authors = array();
if (strpos($xml, '<QUOTE ') === false) {
return $authors;
}
$dom = new \DOMDocument();
$dom->loadXML($xml);
$xpath = new \DOMXPath($dom);
foreach ($xpath->query('//QUOTE[not(ancestor::QUOTE)]/@author') as $author) {
$authors[] = $author->textContent;
}
return $authors;
}