Web technology behind Cyprus presidential elections

Cyprus is preparing for the presidential elections, which will take place this coming Sunday – February 17th, 2008 – and then another Sunday after that – February 24th, 2008. Unfortunately, most of the information about the elections is in Greek, so there isn’t much point in linking to it or quoting it.

Anyway, I came across this post in Linkbox blog, which links to web sites of some candidates, as well as the main web site of the elections.  Being a curious web worker, I wanted to see which tools these web sites use, and how well they use them.  Here are my findings.

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MIME type of uploaded files in PHP

Today I came across something that rather puzzled me at first, seemed irresponsible and such, but was cleared later, upon reading the manual.  When uploading files in PHP, variable $_FILES stores a bunch of information about each file.  One of those stored bits is the MIME type of the file.  I was puzzled with how easy it was to trick PHP into setting a wrong MIME type.  However, documentation clearly says that:

The mime type of the file, if the browser provided this information. An example would be “image/gif”. This mime type is however not checked on the PHP side and therefore don’t take its value for granted.