use dot notation when getting old value (example on only text field)
use dot notation when getting old value (example on only text field)

Allows array fields to keep their value when validation fails. Fields named foo[0][bar], for example, will be converted to foo.0.bar when looking up old value (old() doesn't understand square brackets).
Laravel-Backpack/crud,Laravel-Backpack/crud,Laravel-Backpack/crud,Laravel-Backpack/crud