How can I get the html form name from php with multiple file uploads?

Question

If I do something like this to get handle file uploads:

if ($_FILES) {
    foreach ($_FILES as $file) {
        //...Handle the upload process
    }
}

Is there any way that I can get the key of the file? As in:

<input type="file" name="myfile" />

I want to know that the file is coming from "myfile".

Edit: The obvious solution to this turns out to be:

foreach($_FILES as $key => $file) {

    $input_name = $key;
    // Handle upload.

}

In your HTML, I believe that you'll want to use <input type="file" name="myfile[]" /> (note the []) to make is easier to understand the multiple files. — Eric Caron
– Eric Caron, Commented Jul 21, 2011 at 22:26
Done. @eric, actually it's for multiple elements, if that makes sense. <input type="file" name="file1" /> <input type="file" name="file2" /> — graemeboy
– graemeboy, Commented Jul 23, 2011 at 17:48

webbiedave · Accepted Answer · 2011-07-21 20:46:43Z

1

If the input name in your form is myfile, then it will be in the $_FILES array as:

$_FILES['myfile']

So you can do:

foreach ($_FILES as $inputName => $fileInfo) {

}

Check out Handling file uploads for more info.

edited Jul 21, 2011 at 20:46

answered Jul 21, 2011 at 20:36

webbiedave

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3 Comments

graemeboy Over a year ago

So I can actually do this? list($key,$value) = each($_FILES)

graemeboy Over a year ago

yeah I get that, but specifically I want to have the key of the form input. So something like this while(list($key,$file) = each($_FILES)){ echo 'the key is: ' . $key; }

webbiedave Over a year ago

Yes that will work. $key will then contain the name your chose for your form input. I've also edited the answer to make it more clear with the foreach.

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