Multi-user mass image uploads with PHP
<p>I'll soon be building a competition microsite which is based entirely around image uploads: in order to enter, users will need to upload an image.</p>

<p>I've previously built a similar website on top of a PHP MVC framework, which worked awesomely up until a couple of hours before the competition was due to close, where a rush of last minute entries caused the server to crash, rendering the website inaccessible. The files being uploaded were pretty large in some instances (images scanned by the average user, many of whom did not know about optimizing file sizes).</p>

<p>I'd obviously like to avoid this issue the best I can with this new project, and would appreciate tips on how to build a robust site that won't crash when the last minute rush of entries comes through.</p>
