public function EntityReferenceHierarchy::groupSiblingsByWeight in Entity Reference Hierarchy 3.x

Same name and namespace in other branches

1. 8.2 src/Plugin/Field/FieldType/EntityReferenceHierarchy.php \Drupal\entity_hierarchy\Plugin\Field\FieldType\EntityReferenceHierarchy::groupSiblingsByWeight()

Group siblings by weight.

Parameters

\SplObjectStorage $siblingEntities: Sibling entities keyed by nested set nodes.

string $fieldName: Field name to detect weight from.

Return value

array Array of nested set nodes grouped by weight.

1 call to EntityReferenceHierarchy::groupSiblingsByWeight()

EntityReferenceHierarchy::postSave in src/Plugin/Field/FieldType/EntityReferenceHierarchy.php

Defines custom post-save behavior for field values.

File

src/Plugin/Field/FieldType/EntityReferenceHierarchy.php, line 301

Class

EntityReferenceHierarchy

Plugin implementation of the 'entity_reference_hierarchy' field type.

Namespace

Drupal\entity_hierarchy\Plugin\Field\FieldType

Code

public function groupSiblingsByWeight(\SplObjectStorage $siblingEntities, $fieldName) {
  $weightMap = [];
  foreach ($siblingEntities as $node) {
    if (!$siblingEntities
      ->offsetExists($node)) {
      continue;
    }
    $weightMap[$siblingEntities
      ->offsetGet($node)][] = $node;
  }
  ksort($weightMap);
  return $weightMap;
}