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php - How to send additional data using PLupload?

I'm using plupload to make an ajax file uploading. Now the plupload.Uploader class has many options but none are additional data.

For Example :

var uploader = new plupload.Uploader({
    runtimes : 'gears,html5,flash,silverlight,browserplus',
    browse_button : 'pickfiles',
    container : 'contact_container',
    max_file_size : '10mb',
    url : 'upload.php',
    flash_swf_url : '/plupload/js/plupload.flash.swf',
    silverlight_xap_url : '/plupload/js/plupload.silverlight.xap',
    filters : [
        {title : "Image files", extensions : "jpg,gif,png"},
        {title : "Zip files", extensions : "zip"}
    ],
    resize : {width : 320, height : 240, quality : 90}
});

What i'm trying to achive is i have a folder in my server where all the uploads are being saved. I neeed inside the folder to create a sub-folder to each user that have uploaded files there. How can i add data like id of the user to the instance of plupload.Uploader? Or if i'll wrap a form inside the container div, will i be able to see it in the $_REQUEST? Or is there some other way i can achive this?

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Have you tried using the setting for multipart_params? Add an additional option to your plupload.Uploader like so:

var uploader = new plupload.Uploader({
    runtimes : 'gears,html5,flash,silverlight,browserplus',
    browse_button : 'pickfiles',
    container : 'contact_container',
    max_file_size : '10mb',
    url : 'upload.php',
    flash_swf_url : '/plupload/js/plupload.flash.swf',
    silverlight_xap_url : '/plupload/js/plupload.silverlight.xap',
    filters : [
        {title : "Image files", extensions : "jpg,gif,png"},
        {title : "Zip files", extensions : "zip"}
    ],
    resize : {width : 320, height : 240, quality : 90},
    multipart_params : {
        "name1" : "value1",
        "name2" : "value2"
    }
});

You will then need to process the values in the file that handles the upload (upload.php by default). I think the values are captured by $_POST but you can use $_REQUEST just to be sure.

I've used jQuery to assign values on the fly, so instead of "name1" : "value1" you can use something like "name1" : $("#name1").val(), where #name1 might be an input elsewhere on the page.

Plupload's documentation is a little sparse for some of these settings.


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