call

# File actionpack/lib/action_dispatch/http/parameter_filter.rb, line 48
        def call(original_params)
          filtered_params = {}

          original_params.each do |key, value|
            if regexps.any? { |r| key =~ r }
              value = FILTERED
            elsif value.is_a?(Hash)
              value = call(value)
            elsif value.is_a?(Array)
              value = value.map { |v| v.is_a?(Hash) ? call(v) : v }
            elsif blocks.any?
              key = key.dup if key.duplicable?
              value = value.dup if value.duplicable?
              blocks.each { |b| b.call(key, value) }
            end

            filtered_params[key] = value
          end

          filtered_params
        end