问："and(select*from(select+sleep(0))a/**/union/**/select+1)="

答：暂未回答

问：${@var_dump(md5(220765046))};

答：暂未回答

问：'and(select*from(select+sleep(2))a/**/union/**/select+1)='

答：暂未回答

问：'and(select*from(select+sleep(0))a/**/union/**/select+1)='

答：暂未回答

问：'"\(

答：暂未回答