function UpgradePathTaxonomyTestCase::instanceVocabularies

Retrieve an array mapping allowed vocabulary id to field name for all taxonomy_term_reference fields for which an instance exists for the specified entity type and bundle.

File

modules/simpletest/tests/upgrade/upgrade.taxonomy.test, line 28

Class

UpgradePathTaxonomyTestCase

Test taxonomy upgrades.

Code

function instanceVocabularies($entity_type, $bundle) {
    $instances = array();
    foreach (field_info_instances($entity_type, $bundle) as $instance) {
        $field = field_info_field($instance['field_name']);
        if ($field['type'] == 'taxonomy_term_reference') {
            foreach ($field['settings']['allowed_values'] as $tree) {
                // Prefer valid taxonomy term reference fields for a given vocabulary
                // when they exist.
                if (empty($instances[$tree['vocabulary']]) || $instances[$tree['vocabulary']] == 'taxonomyextra') {
                    $instances[$tree['vocabulary']] = $field['field_name'];
                }
            }
        }
    }
    return $instances;
}