class CircularDependencyHooks

Example to test that a hook service can depend on ModuleHandler.

This would cause a circular dependency problem, if the hook implementations in ModuleHandler were not lazy-loaded.

Hierarchy

• class \Drupal\hook_loader_test\Hook\CircularDependencyHooks

Expanded class hierarchy of CircularDependencyHooks

File

core/modules/system/tests/modules/HookLoader/hook_loader_test/src/Hook/CircularDependencyHooks.php, line 16

Namespace

class CircularDependencyHooks {
  public function __construct(public readonly ModuleHandlerInterface $moduleHandler) {
  }
  public function testHook() : string {
    // The hook method does not need to actually use the module handler.
    // It is enough to require it in the constructor.
    return __METHOD__;
  }

}

Members