, IssueCollection} */ function detect_issues(callable $run): array { $previousErrorReporting = libxml_use_internal_errors(true); libxml_clear_errors(); $result = Result\wrap($run(...)); $errors = libxml_get_errors(); libxml_clear_errors(); libxml_use_internal_errors($previousErrorReporting); return [$result, issue_collection_from_xml_errors($errors)]; }