Create vocabularies and terms

create-vocabularies-and-terms

/**
 * Create vocabulary and terms for Topic.
 */
function _g2m_initiative_create_taxonomies() {

  // Defines taxonomies to be created.
  $taxonomies = array(
    'g2m_topics' => array(
      'name' => t('Topics'),
      'terms' => array(),
    ),
    'g2m_subtopics' => array(
      'name' => t('Sub topics'),
      'terms' => array(),
    ),
    'g2m_support_type' => array(
      'name' => t('Support type'),
      'terms' => array(),
    ),
    'g2m_security' => array(
      'name' => t('Security'),
      'terms' => array(),
    ),
  );

  // Cycles through taxonomies to create vocabularies.
  foreach ($taxonomies as $machine_name => $taxonomy) {
    $vocabulary = taxonomy_vocabulary_machine_name_load($machine_name);
    if (isset($vocabulary->vid)) {
      watchdog('g2m_initiative', 'The vocabulary @name already exists, so it will not be created', array('@name' => $machine_name), WATCHDOG_INFO);
    }

    // Creates the vocabulary.
    else {
      taxonomy_vocabulary_save((object) array(
        'name' => $taxonomy['name'],
        'machine_name' => $machine_name,
      ));

      // Loads the created vocabulary.
      $vocabulary = taxonomy_vocabulary_machine_name_load($machine_name);
    }

    // Creates terms if they do not exist already.
    foreach ($taxonomy['terms'] as $term_name) {
      $existing_term = taxonomy_get_term_by_name($term_name, $vocabulary->machine_name);
      if (count($existing_term) > 0) {
        watchdog('g2m_initiative', 'The term @term_name already exists, so it will not be created', array('@term_name' => $term_name), WATCHDOG_INFO);
      }
      else {
        $term = (object) array(
          'vid' => $vocabulary->vid,
          'name' => $term_name,
          'description' => $term_name,
        );
        taxonomy_term_save($term);
        watchdog('g2m_initiative', 'The term @term_name was created', array('@term_name' => $term_name), WATCHDOG_INFO);
      }
    }
  }
}