PHP习题不会做了，帮个忙吧

32.count1.in2.3.[xss_clean][xss_clean]4.var,alert5.^[1-9|10|11|12]{1}$6.&7.implode8.D9.B10.C11.A12.B13.A14.A15.C16.D17.A18.A19.$connect=mysql_connect('localhost','root','123456');mysql_select_db('db_shop');$sql="DELETEFROM`tb_user`WHERE`id`=2013003";mysql_query($sql,$connect);