value_for_key

# File activesupport/lib/active_support/parameter_filter.rb, line 135
    def value_for_key(key, value, full_parent_key = nil, original_params = nil)
      if @deep_regexps
        full_key = full_parent_key ? "#{full_parent_key}.#{key}" : key.to_s
      end

      if @regexps.any? { |r| r.match?(key.to_s) }
        value = @mask
      elsif @deep_regexps&.any? { |r| r.match?(full_key) }
        value = @mask
      elsif value.is_a?(Hash)
        value = call(value, full_key, original_params)
      elsif value.is_a?(Array)
        value = value.map { |v| value_for_key(key, v, full_parent_key, original_params) }
      elsif @blocks
        key = key.dup if key.duplicable?
        value = value.dup if value.duplicable?
        @blocks.each { |b| b.arity == 2 ? b.call(key, value) : b.call(key, value, original_params) }
      end

      value
    end