Trying to access array offset on

当自己写完项目准备运行的时候，结果报错了，如下
Trying to access array offset on value of type bool
Trying to access array offset on value of type int
Trying to access array offset on value of type null
各种各样的情况，那么仅需要去检查一下肯定是某个值是错误的。