How to catch a space in symfony when saving a form?

Question

symfony

In the database, the fields are required to be filled in.
In the form, an empty field does not allow sending.
I put a space and submit the form
. The form successfully passes
isVslid
. correct somewhere to solve this problem, otherwise it turns out that you write rules in the FormType, but they do not work with such a childish error

Answer 1

If I understand correctly, you need to use this