public function HreflangBase::output in Metatag 8

Generate the HTML tag output for a meta tag.

Return value

array|string A render array or an empty string.

Overrides LinkRelBase::output

File

metatag_hreflang/src/Plugin/metatag/Tag/HreflangBase.php, line 15

Class

HreflangBase

This base plugin allows "link hreflang" tags to be further customized.

Namespace

Drupal\metatag_hreflang\Plugin\metatag\Tag

Code

public function output() {
  $element = parent::output();
  if ($element) {

    // Rewrite the attributes so the hreflang value is before the href value.
    $element['#attributes'] = [
      'rel' => 'alternate',
      'hreflang' => $this
        ->name(),
      'href' => $element['#attributes']['href'],
    ];
  }
  return $element;
}