Unless specified, all the code presented here is released under the GPL version 2 license. I support free software and open source code.
You can find here a PHP class to upload files, and manipulate images... I use it in many applications, and it is my most successful open source project!
Also here is a rather useful page on how to bypass strict firewalls on public wifi hotspots and restricted networks, by tunneling blocked ports and protocols
Pardon me, Your Honor, the concept is not easy to explain -- there is an ineffable quality to some technology, described by its creators as a concinnitous, or technically sweet, or a nice hack -- signs that it was made with great care by one who was not merely motivated but inspired. It is the difference between an engineer and a hacker."
Judge Fang and Miss Pao in Neal Stephenson's The Diamond Age, or, A Young Lady's Illustrated Primer