0x1第五十关 源码中使用的mysqli_multi_query()函数,而之前使用的是mysqli_query(),区别在于mysqli_multi_query()可以执行多个sql语句,而mysqli_query()只能执行一个sql语句,那么我们此处就可以执行多个sql语句进行注入,也就是说的堆叠注入. $sql="SELECT * FROM users ORDER BY $id"; /* execute multi query */ if (mysqli_multi_query
十二. Python基础(12)--生成器 1 ● 可迭代对象(iterable) An object capable of returning its members one at a time. Examples of iterables include all sequence types (such as list, str, and tuple) and some non-sequence types like dict and file and objects of any clas