protected BookUninstallValidator::hasBookNodes()
Determines if there is any book nodes or not.
Return value
bool TRUE if there are book nodes, FALSE otherwise.
File
- core/modules/book/src/BookUninstallValidator.php, line 84
Class
- BookUninstallValidator
- Prevents book module from being uninstalled whilst any book nodes exist or there are any book outline stored.
Namespace
Drupal\book
Code
protected function hasBookNodes() { $nodes = $this->entityQuery ->condition('type', 'book') ->accessCheck(FALSE) ->range(0, 1) ->execute(); return !empty($nodes); }
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