How to standardize the operation of two fields in laravel5.5 where condition?

Question

laravel5.5 How to standardize the operation of two fields of where condition?

Answer 1

I don’t know what your checktime is like, but there is something wrong with your logic.

Assuming that the logic is correct and the writing is strong, write a.checktime after time() as a string, and a.checktime>time()/2 is the correct solution.

Answer 2

Operation? ? ? ?