public function Csl::getParent in Bibliography & Citation 8

Same name and namespace in other branches

1. 2.0.x src/Csl.php \Drupal\bibcite\Csl::getParent()

Get parent style identifier.

Return value

null|string Identifier of the parent style or NULL.

File

src/Csl.php, line 63

Class

Csl

Simple wrapper for CSL XML.

Namespace

Drupal\bibcite

Code

public function getParent() {

  /** @var \SimpleXMLElement $link */
  foreach ($this->xml->info->link as $link) {
    $attributes = $link
      ->attributes();
    if (isset($attributes->rel, $attributes->href) && (string) $attributes->rel === 'independent-parent') {
      return (string) $attributes->href;
    }
  }
  return NULL;
}