$sql=“UPDATE user SET age=age+10 WHERE id=12;”;
$sql.=“DELETE FROM user WHERE id=13”;
$res=$mysqli_multi_query($link,$sql);
var_dump($res);
echo ‘<hr/>’;
( ! ) Notice: Undefined index: username in D:\wampserver\wamp64\www\test\test1\doAction.php on line 9
Call Stack
# Time Memory Function Location
1 0.0010 244768 {main}( ) ...\doAction.php:0
