调试错误(PHP+MySQL)在线等
Warning:in_array() [function.in_array]:Wrong datatype for second argument
Warning:Invalid argument supplied for fareach()
Notice:empty set column
notice:DB Error:unknown error
表的字段为 id (int(11));question(varchar(100));answer(varchar(255))
添加的时候id能写入,后面2个字段无法写入出现上面的错误怎么解决,