function AttributeClassDiscovery::getClassDependencies

Same name in this branch
  1. main core/lib/Drupal/Core/Plugin/Discovery/AttributeClassDiscovery.php \Drupal\Core\Plugin\Discovery\AttributeClassDiscovery::getClassDependencies()
Same name and namespace in other branches
  1. 11.x core/lib/Drupal/Core/Plugin/Discovery/AttributeClassDiscovery.php \Drupal\Core\Plugin\Discovery\AttributeClassDiscovery::getClassDependencies()
  2. 11.x core/lib/Drupal/Component/Plugin/Discovery/AttributeClassDiscovery.php \Drupal\Component\Plugin\Discovery\AttributeClassDiscovery::getClassDependencies()

Gets the list of class, interface, and trait dependencies for the class.

Parameters

\ReflectionClass $reflection_class: Plugin class reflection object.

Return value

array{"class"?: list<class-string>, "interface"?: list<class-string>, "trait"?: list<class-string>, "provider"?: list<string>}|null The list of dependencies, keyed by type. If the type is 'class', 'trait', or 'interface', the values for the type are class names. If the type is 'provider', the values for the type are provider names. NULL if there are no dependencies.

File

core/lib/Drupal/Component/Plugin/Discovery/AttributeClassDiscovery.php, line 297

Class

AttributeClassDiscovery
Defines a discovery mechanism to find plugins with attributes.

Namespace

Drupal\Component\Plugin\Discovery

Code

protected function getClassDependencies(\ReflectionClass $reflection_class) : ?array {
  $dependencies = [];
  if ($interfaces = $reflection_class->getInterfaceNames()) {
    $dependencies['interface'] = $interfaces;
  }
  if ($traits = $reflection_class->getTraitNames()) {
    $dependencies['trait'] = $traits;
  }
  $child_class = $reflection_class;
  while ($parent_class = $child_class->getParentClass()) {
    $dependencies['class'][] = $parent_class->getName();
    if ($traits = $parent_class->getTraitNames()) {
      $dependencies['trait'] ??= [];
      $dependencies['trait'] = array_unique(array_merge($dependencies['trait'], $traits));
    }
    $child_class = $parent_class;
  }
  return $dependencies ?: NULL;
}

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