: Uncaught Error: Call to a member function fetch_all() on boolean in ....
Stack trace:
#0 {main}
thrown in .....出现这种错误一般是在查询语句中表名不匹配
call to member function bind_param() on boolean...........
原文地址：http://haiyanyuan.blog.51cto.com/10071455/1731272
