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I am trying to implement a multiple image uploader in jQuery using the new HTML5 multiple attribute.

My code is the following:

<form action="file-upload.php" method="post" enctype="multipart/form-data">
    <input name="userfiles" type="file" multiple="multiple">

The JS code I am using is taken from a discussion here on SO, and is the following:

 $('input[name=userfiles]').change(function() {
    var names = [];
    for (var i = 0; i < $(this).get(0).files.length; ++i) {

With this I am able to print on the console the file names I select, but what if I need to get the exact val() of those files? I tried replacing .name with .val(), but I get an error.

I think I would need a fakepath of every single file if I want to be able to work with them with $.ajax. If this is correct, how can I cycle though them in the PHP file where the get request is sent, in order to upload them?

You can make use of HTML5 FormData API. https://developer.mozilla.org/en-US/docs/Web/Guide/Using_FormData_Objects

var form = new FormData();
for (var i = 0; i < $(this).get(0).files.length; ++i) {
    form.append('userfiles[]', $(this).get(0).files[i]);

// send form data with ajax
    url: 'url',
    type: "POST",
    data: form

Or if you cannot use FormData there is a way to send it natively: https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest/Using_XMLHttpRequest#Submitting_forms_and_uploading_files

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You don't need to manipulate file path, in your ajax call just use the File and put it into a new FormData

Something like that:

'data': (new FormData()).append('file', $(this).get(0).files[i])

See HTML5 multiple file upload: upload one by one through AJAX

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If you use jquery-file-upload plugin you can use this

<input class="fileupload" type="file" name="file">


$('.fileupload').each(function () {
  //your code goes here

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  • Thanks. Do I need to change the input name from userfiles to userfiles[]?
  • Yes, because you're using multiple option
  • I have difficulties to select the input by name then, if I use $('input[name=userfiles[]]') I receive an error because of the []
  • Nevermind, managed to do it with $('input[name=userfiles\\[\\]]'). I will let you know if I'll do it :)
  • Wouldn't it be better to send the whole form via data as @insanebits suggested?
  • I don't know why you need to loop on each of your file. If you want to add a progressbar and send files one by one (like gmail attachments) it is a solution. If you don't care, just send them all in once.
  • My target would be, in the PHP file, to do: if (isset($_FILES['userfiles'])) and so on. I don't need the progress bar to appear, but will I be able to do this if I send the whole form? Because right now, it doesn't even seems to enter the if statement.
  • (Also, in the ajax call I had to disable the processData with processData: false)
  • dump the content of $_FILES or do network capture to see what it is send. My example will upload in $_FILES['file']