Uploadify: show error message from HTTP response

Question

If the server returns an error (HTTP response code != 200) when uploading a file with Uploadify, the uploaded file gets a red background and a message is show like this:

Answer 1

For uploadify version 3.0+ take a look at the onUploadSuccess option - specifically the passed in variable named data - that will have whatever the server echoed. If you echo JSON remember to decode it like so:

...
'onUploadSuccess' : function(file, data, response) {
    if (response){
        var json_data=JSON.decode(data);
        /* code here */
    }
},
....