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    <p>For uploading multiple files at the same time, I will follow the steps-</p> <ol> <li>First I when the form will be submitted, depending on the number of file selected I will dynamically create that much different number of independent ajax request through javascript(Jquery will help for that).</li> <li>While uploading the files, I can monitor through the javascript and one server script that how much data is remaining to upload, based on that I can show the progress bar for each of the files being uploaded.</li> <li>Next in server side, I don't need to worry about because the php script what one will write that will take all the request separately.</li> </ol> <h2>How to monitor the Uploading progress</h2> <blockquote> <p>In small files, you may not get the exact progress details because it will upload very fast but in large file you can monitor.</p> </blockquote> <p><br/> What you will have to do is creating a separate PHP file which will generate the information that how much % file is uploaded, through the session variable <code>$_SESSION</code>, when a file is started uploading it creates a session for it and how much data is processed is stored(in bytes) and what is the file size(in byte) in the keys <code>bytes_processed</code> and <code>content_length</code> respectively.<br/> And that information I will process through javascript by sending another request. And that request will be made for each of the files being uploaded by binding, and after limited number of time(may be 1 sec.) I will again send the request for knowing the progress by <code>setTimeout()</code> till when the file is 100% is uploaded.</p>
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