mysqlnd_ms_xa_rollback Rolls back a distributed/XA transaction among MySQL servers &reftitle.description; int mysqlnd_ms_xa_rollback mixedconnection stringgtrid Rolls back a global transaction among MySQL servers started by mysqlnd_ms_xa_begin. If any of the global transaction participants fails to rollback the situation is left to be solved by the garbage collection. Experimental The feature is currently under development. There may be issues and/or feature limitations. Do not use in production environments. &reftitle.parameters; connection A MySQL connection handle obtained from any of the connect functions of the mysqli, mysql or PDO_MYSQL extensions. gtrid Global transaction identifier (gtrid). &reftitle.returnvalues; Returns &true; if the global transaction has been rolled back. Otherwise, returns &false; &reftitle.seealso; Quickstart XA/Distributed transactions Runtime configuration mysqlnd_ms_get_stats