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While developing an API for a client site I recognized that there was a tag being returned after our JSON response (generated using BaseController's returnJson method).

I copy & pasted some of the output into The Google and found a reference to the YII_DEBUG constant. I checked the value (true) and assumed it was related to devMode. I turned off devMode for this environment and the extra code went away (and YII_DEBUG===false).

I don't suspect that this extra output is expected while using the returnJson() method but I need to get around this. Can I turn off devMode outside of the config file? I really only want to make an exception when calling this method.

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  • The question has been answered but I'd love to hear from P&T on whether or not this may change in a future release
    – Tyler Willingham
    Commented Jul 11, 2014 at 2:35
  • What exactly is the extra output? Is it a bunch of console.log() calls (the profiler info)?
    – Brandon Kelly
    Commented Jul 11, 2014 at 3:07
  • Yup, that's correct. There are a bunch of console.log calls
    – Tyler Willingham
    Commented Jul 11, 2014 at 9:17
  • Got it. Right now Craft will only hide those if it’s an Ajax request. Would make sense that it’s based on the MIME type instead, though.
    – Brandon Kelly
    Commented Jul 11, 2014 at 16:17
  • I agree. I can't think of a situation where I would actually want that output in my JSON file :)
    – Tyler Willingham
    Commented Jul 11, 2014 at 16:38

3 Answers 3

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I had the same problem. See Brad's response here to so this without messing with devMode: Console script tags garbling up non-html output (e.g. json) when in devMode

It would be nice if this happened automatically when specifically outputting non-html, though.

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As of Craft 2.2, Craft will now only add the logs to the response if the Content-Type header is going to be "text/html" or "application/xhtml+xml". Should solve this for you.

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You can turn off dev mode for just this page/call if you'd like, using the config->set API method.

craft()->config->set('devMode', false);

Don't forget to turn it back on after your function runs (if it still matters at that point).

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  • Thank you! I'm setting devMode=false right before calling the BaseController::returnJson method. This is okay because the returnJson method spins down craft with craft->end() after echo'ing the json encoded data.
    – Tyler Willingham
    Commented Jul 11, 2014 at 2:34

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