HreflangDeriver.php in Metatag 8
File
metatag_hreflang/src/Plugin/Derivative/HreflangDeriver.php
View source
<?php
namespace Drupal\metatag_hreflang\Plugin\Derivative;
use Drupal\Component\Plugin\Derivative\DeriverBase;
use Drupal\Core\Language\Language;
use Drupal\Core\Language\LanguageInterface;
use Drupal\Core\StringTranslation\StringTranslationTrait;
class HreflangDeriver extends DeriverBase {
use StringTranslationTrait;
public function getDerivativeDefinitions($base_plugin_definition) {
$languages = \Drupal::languageManager()
->getLanguages(LanguageInterface::STATE_ALL);
foreach ($languages as $langcode => $language) {
if ($langcode == Language::LANGCODE_NOT_SPECIFIED) {
continue;
}
elseif ($langcode == Language::LANGCODE_NOT_APPLICABLE) {
continue;
}
$derivative = $base_plugin_definition;
$derivative['weight']++;
$derivative['id'] = 'hreflang_' . $langcode;
$derivative['name'] = $langcode;
$derivative['label'] = $this
->t("URL for a version of this page in %langcode", [
'%langcode' => $language
->getName(),
]);
$derivative['description'] = '';
$this->derivatives[$derivative['id']] = $derivative;
}
return $this->derivatives;
}
}