/**
* @param string $action
* Ex: 'CREATE', 'DROP'
- * @param string|NULL $ifne
+ * @param string|null $ifne
* Ex: 'IF EXISTS', 'IF NOT EXISTS'.
* @return string
* Ex: 'CREATE TEMPORARY TABLE `civicrm_tmp_e_foo_abcd1234`'
}
/**
- * @param string|NULL $category
+ * @param string|null $category
*
* @return CRM_Utils_SQL_TempTable
*/