$mysqli = new mysqli('localhost', 'root', '1234', 'shop');

$query1 = " update sw_goods set goods_name='堅果手機plus' where goods_id=118 ";

$query2 = "insert into sw_goods (goods_name,goods_price,xx)values('錘子手機',1888)";

$mysqli->autocommit(false); //關閉自動提交功能，等commit()時才提交

$result1 = $mysqli->query($query1);

$rows1 = $mysqli->affected_rows;

$result2 = $mysqli->query($query2);

$rows2 = $mysqli->affected_rows;

if ($result1 && $rows1 > 0 && $result2 && $rows2 > 0) {

    $mysqli->commit(); //提交

    echo 'ok';

} else {

    $mysqli->rollback(); //回滾

    echo 'failed';

}

$mysqli->autocommit(TRUE);

$mysqli->close();