Flowdock
method

env_filter

Importance_0
env_filter() private

No documentation

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# File actionpack/lib/action_dispatch/http/filter_parameters.rb, line 64
      def env_filter # :doc:
        user_key = fetch_header("action_dispatch.parameter_filter") {
          return NULL_ENV_FILTER
        }
        parameter_filter_for(Array(user_key) + ENV_MATCH)
      end
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