Cancels (rolls back) an in-flight unit of work. SAMConnection->remove SAMConnection->send SAM Functions PHP Manual SAMConnection->rollback (No version information available, might be only in CVS)SAMConnection->rollback — Cancels (rolls back) an in-flight unit of work. Description SAMConnection bool rollback ( void ) Rolls back an in-flight unit of work. Return Values This method returns FALSE if an error occurs. Examples Example #1 Cancelling an in-flight unit of work <?phpif (!$conn->rollback()) { // The rollback failed! echo "Rollback failed ($conn->errno) $conn->error";}?> See Also SAMConnection->commit SAMConnection->remove SAMConnection->send SAM Functions PHP Manual