PHP Passing information — HTTP POST vs. HTTP GET vs. Sessions vs. Cookies

During the creation of PHP scripts you might encounter a situation where a value needs to be passed from one page to another. This will mostly be required when sending the visitor through a wizard or a login screen. This can be achieved by using:

  • HTTP GET
  • HTTP POST
  • Sessions
  • Cookies

I will briefly explain each of those.
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Performing a clean installation with Mac OS X 10.7 “Lion”

Apple has released more information about their upcoming OS Mac OS X 10.7 “Lion” last monday. It is going to be released in July, exclusively through the Mac App Store. This means you can purchase it, and can install it immediately (depending on how fast you can download the 4 GB sized OS). The first question that slipped into my mind was: “How can you perform a clean install?”. Luckily there’s already a solution which developers found out (who could already download a developer preview through the App Store).

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