function module_implements_alter_test_module_implements_alter

Implements hook_module_implements_alter().

See also

\Drupal\system\Tests\Module\ModuleImplementsAlterTest::testModuleImplementsAlter()

module_implements_alter_test_module_implements_alter()

File

core/modules/system/tests/modules/module_implements_alter_test/module_implements_alter_test.module, line 18

Code

function module_implements_alter_test_module_implements_alter(&$implementations, $hook) : void {
  if ($hook === 'altered_test_hook') {
    // Add a hook implementation, that will be found in
    // module_implements_alter_test.implementation.inc.
    $implementations['module_implements_alter_test'] = 'implementations';
  }
  if ($hook === 'unimplemented_test_hook') {
    // Add the non-existing function module_implements_alter_test_unimplemented_test_hook(). This
    // should cause an exception to be thrown in
    // \Drupal\Core\Extension\ModuleHandler::buildImplementationInfo('unimplemented_test_hook').
    $implementations['module_implements_alter_test'] = FALSE;
  }
  // For
  // \Drupal::moduleHandler()->alter(['drupal_alter', 'drupal_alter_foo'], ...),
  // make the block module implementations run after all the other modules. Note
  // that when \Drupal::moduleHandler->alter() is called with an array of types,
  // the first type is considered primary and controls the module order.
  if ($hook == 'drupal_alter_alter' && isset($implementations['block'])) {
    $group = $implementations['block'];
    unset($implementations['block']);
    $implementations['block'] = $group;
  }
}