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function relation_query in Relation 8

Same name and namespace in other branches
  1. 8.2 relation.module \relation_query()
  2. 7 relation.module \relation_query()

Returns a query object to find related entities.

@todo deprecate this


string|null $entity_type: (optional) The entity type of one of the endpoints.

int|null $entity_id: (optional) The entity id of one of the endpoints. Can also be an array of entity IDs.

int|null $r_index: (optional) The index of the search entity in the relation to be found (0 = source, 1 = target).

Return value

RelationQuery The query object itself.

1 call to relation_query()
RelationAPITest::testRelationQuery in src/Tests/RelationAPITest.php
Tests all available methods in RelationQuery.


./relation.module, line 137
Describes relations between entities.


function relation_query($entity_type = NULL, $entity_id = NULL, $r_index = NULL) {
  $query = Drupal::entityQuery('relation');
  if ($entity_type) {
    relation_query_add_related($query, $entity_type, $entity_id, $r_index);
  return $query;