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Answer 1

A:

<?php
    if(count($_FILES) > 0)
    {
     echo('<pre>');

     var_dump($_FILES);

     die('</pre>');
    }
?>

<html>
    <head>
     <title>Simple file upload with iframe</title>
    </head>
    <body>
     <form enctype='multipart/form-data' method='post' action='<?php echo($_SERVER['PHP_SELF']); ?>' target='iframe'>
      <input name='file' type='file' />
      <input type='submit' value='Send' />
     </form>
     <iframe name='iframe' style='width: 800px; height: 400px;'></iframe>
    </body>
</html>

As far as I know you cannot upload a file with AJAX, simply because you cannot access the file. The browsers have protected the content of an input type=file, for example IE7 will give C:\fakepath\filename.ext and Firefox will only give filename.ext. But these are strings and not the file itself. So you really need to submit the file using a form submit.

The code above will post the form content to an iframe, which is a commonly used workaround for the problem you have and prevents the page from reloading.

Wessel Rossing 2009-12-22 13:48:56

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file upload problem with form check js

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