https://www.php.net/manual/zh/solrclient.getdebug.php
PHP: SolrClient::getDebug - Manual
Returns the debug data for the last connection attempt
phpsolrclientgetdebugmanual
https://www.php.net/manual/ja/solrclient.getdebug.php
PHP: SolrClient::getDebug - Manual
Returns the debug data for the last connection attempt
phpsolrclientgetdebugmanual