Method: Hash#deep_stringify_keys

Defined in:

activesupport/lib/active_support/core_ext/hash/keys.rb

#deep_stringify_keys ⇒ Object

Returns a new hash with all keys converted to strings. This includes the keys from the root hash and from all nested hashes and arrays.

hash = { person: { name: 'Rob', age: '28' } }

hash.deep_stringify_keys
# => {"person"=>{"name"=>"Rob", "age"=>"28"}}

# File 'activesupport/lib/active_support/core_ext/hash/keys.rb', line 84

def deep_stringify_keys
  deep_transform_keys { |k| Symbol === k ? k.name : k.to_s }
end