<?php function rollbackoriginal1() { $conn = mysql_connect('127.0.0.1', 'root', 'root') or die('DB connection failed!'); mysql_select_db('test', $conn); mysql_query('set names "UTF8"'); mysql_query('BEGIN'); $sql1 = "INSERT INTO `foo`(`id`,`name`) VALUES(17,111);"; $sql2 = "INSERT INTO `foo_copy`(`id`,`name`) VALUES(17,111);"; $res1 = mysql_query($sql1); $res2 = mysql_query($sql2); var_dump($sql1); var_dump($sql2); var_dump($res1); var_dump($res2); if ($res1 && $res2) { mysql_query('COMMIT'); var_dump('commit success!'); } else { mysql_query('ROLLBACK'); var_dump('commit failed, rollback!'); } mysql_query('END'); } rollbackoriginal1();