public static function LinkCollection::merge in Drupal 9

Same name and namespace in other branches

1. 8 core/modules/jsonapi/src/JsonApiResource/LinkCollection.php \Drupal\jsonapi\JsonApiResource\LinkCollection::merge()

Merges two LinkCollections.

Parameters

\Drupal\jsonapi\JsonApiResource\LinkCollection $a: The first link collection.

\Drupal\jsonapi\JsonApiResource\LinkCollection $b: The second link collection.

Return value

\Drupal\jsonapi\JsonApiResource\LinkCollection A new LinkCollection with the links of both inputs.

1 call to LinkCollection::merge()

Relationship::getMergedLinks in core/modules/jsonapi/src/JsonApiResource/Relationship.php

Merges the object's links with the top-level links.

File

core/modules/jsonapi/src/JsonApiResource/LinkCollection.php, line 171

Class

LinkCollection

Contains a set of JSON:API Link objects.

Namespace

Drupal\jsonapi\JsonApiResource

Code

public static function merge(LinkCollection $a, LinkCollection $b) {
  assert($a
    ->getContext() === $b
    ->getContext());
  $merged = new LinkCollection([], $a
    ->getContext());
  foreach ($a as $key => $links) {
    $merged = array_reduce($links, function (self $merged, Link $link) use ($key) {
      return $merged
        ->withLink($key, $link);
    }, $merged);
  }
  foreach ($b as $key => $links) {
    $merged = array_reduce($links, function (self $merged, Link $link) use ($key) {
      return $merged
        ->withLink($key, $link);
    }, $merged);
  }
  return $merged;
}