protected function AbstractFieldSynonymsBehavior::uniqueItems in Synonyms 7
Filter $items only to contain unique values.
Parameters
array $items: Array of field items that should be filtered to contain only unique values
array $unique_index: Array of column names that define uniqueness for an item
Return value
array Only unique items from the provided $items array
4 calls to AbstractFieldSynonymsBehavior::uniqueItems()
- CommerceProductReferenceSynonymsBehavior::mergeEntityAsSynonym in synonyms_commerce/includes/ CommerceProductReferenceSynonymsBehavior.class.inc 
- Add an entity as a synonym into another entity.
- EntityReferenceSynonymsBehavior::mergeEntityAsSynonym in synonyms_provider_field/includes/ EntityReferenceSynonymsBehavior.class.inc 
- Add an entity as a synonym into another entity.
- TaxonomySynonymsBehavior::mergeEntityAsSynonym in synonyms_provider_field/includes/ TaxonomySynonymsBehavior.class.inc 
- Add an entity as a synonym into another entity.
- TextSynonymsBehavior::mergeEntityAsSynonym in synonyms_provider_field/includes/ TextSynonymsBehavior.class.inc 
- Add an entity as a synonym into another entity.
File
- synonyms_provider_field/includes/ AbstractFieldSynonymsBehavior.class.inc, line 73 
- Definition of AbstractFieldSynonymsBehavior class.
Class
- AbstractFieldSynonymsBehavior
- Abstract class for providing synonyms from fields attached to entities.
Code
protected function uniqueItems($items, $unique_index) {
  $index = array();
  foreach ($items as $item) {
    $item_index = array();
    foreach ($unique_index as $column) {
      $item_index[] = is_scalar($column) ? $column : serialize($column);
    }
    $index[serialize($item_index)] = $item;
  }
  return array_values($index);
}