taxonomy_check_vocabulary_hierarchy(VocabularyInterface $vocabulary, $changed_term)
Checks and updates the hierarchy flag of a vocabulary.
Checks the current parents of all terms in a vocabulary and updates the vocabulary's hierarchy setting to the lowest possible level. If no term has parent terms then the vocabulary will be given a hierarchy of VocabularyInterface::HIERARCHY_DISABLED. If any term has a single parent then the vocabulary will be given a hierarchy of VocabularyInterface::HIERARCHY_SINGLE. If any term has multiple parents then the vocabulary will be given a hierarchy of VocabularyInterface::HIERARCHY_MULTIPLE.
Parameters
\Drupal\taxonomy\VocabularyInterface $vocabulary: A taxonomy vocabulary entity.
$changed_term: An array of the term structure that was updated.
Return value
An integer that represents the level of the vocabulary's hierarchy.
File
- core/modules/taxonomy/taxonomy.module, line 160
- Enables the organization of content into categories.
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 | function taxonomy_check_vocabulary_hierarchy(VocabularyInterface $vocabulary, $changed_term) { $tree = \Drupal::entityManager()->getStorage('taxonomy_term')->loadTree($vocabulary->id()); $hierarchy = VocabularyInterface::HIERARCHY_DISABLED; foreach ($tree as $term) { // Update the changed term with the new parent value before comparison. if ($term->tid == $changed_term['tid']) { $term = (object) $changed_term; $term->parents = $term->parent; } // Check this term's parent count. if (count($term->parents) > 1) { $hierarchy = VocabularyInterface::HIERARCHY_MULTIPLE; break; } elseif (count($term->parents) == 1 && !isset($term->parents[0])) { $hierarchy = VocabularyInterface::HIERARCHY_SINGLE; } } if ($hierarchy != $vocabulary->getHierarchy()) { $vocabulary->setHierarchy($hierarchy); $vocabulary->save(); } return $hierarchy;} |
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