[Form] Add "is empty callback" to form config#32747
Merged
nicolas-grekas merged 1 commit intosymfony:masterfrom Feb 5, 2020
Merged
[Form] Add "is empty callback" to form config#32747nicolas-grekas merged 1 commit intosymfony:masterfrom
nicolas-grekas merged 1 commit intosymfony:masterfrom