function block_rebuild in Zircon Profile 8

Same name and namespace in other branches

1. 8.0 core/modules/block/block.module \block_rebuild()

Implements hook_rebuild().

File

core/modules/block/block.module, line 139

Controls the visual building blocks a page is constructed with.

Code

function block_rebuild() {
  foreach (\Drupal::service('theme_handler')
    ->listInfo() as $theme => $data) {
    if ($data->status) {
      $regions = system_region_list($theme);

      /** @var \Drupal\block\BlockInterface[] $blocks */
      $blocks = entity_load_multiple_by_properties('block', [
        'theme' => $theme,
      ]);
      foreach ($blocks as $block_id => $block) {

        // Disable blocks in invalid regions.
        $region = $block
          ->getRegion();
        if ($region !== BlockInterface::BLOCK_REGION_NONE) {
          if (!empty($region) && !isset($regions[$region]) && $block
            ->status()) {
            drupal_set_message(t('The block %info was assigned to the invalid region %region and has been disabled.', [
              '%info' => $block_id,
              '%region' => $region,
            ]), 'warning');
            $block
              ->disable();
          }

          // Set region to none if not enabled.
          if (!$block
            ->status()) {
            $block
              ->setRegion(BlockInterface::BLOCK_REGION_NONE);
            $block
              ->save();
          }
        }
      }
    }
  }
}