Copied from \Drupal\jsonapi\IncludeResolver.

See also

\Drupal\jsonapi\IncludeResolver::buildTree()

1 call to TemporaryQueryGuard::buildTree()

TemporaryQueryGuard::applyAccessControls in core/modules/jsonapi/src/Access/TemporaryQueryGuard.php

Applies access controls to an entity query.

File

core/modules/jsonapi/src/Access/TemporaryQueryGuard.php, line 588

Class

TemporaryQueryGuard

Adds sufficient access control to collection queries.

Namespace

Drupal\jsonapi\Access

Code

protected static function buildTree(array $paths) {
  $merged = [];
  foreach ($paths as $parts) {
    // This complex expression is needed to handle the string, "0", which
    // would be evaluated as FALSE.
    if (!is_null($field_name = array_shift($parts))) {
      $previous = $merged[$field_name] ?? [];
      $merged[$field_name] = array_merge($previous, [
        $parts,
      ]);
    }
  }
  return !empty($merged) ? array_map([
    static::class,
    __FUNCTION__,
  ], $merged) : $merged;
}

---