[Inhon](http://www.inhon.com) is a relatively unknown manufacturer in the computer industry. It is a Taiwanese company that only recently started making laptops. Before making its own laptops, however, it was the OEM for Gigabyte's [X11 Ultrabook](http://www.gigabyte.com/products/product-page.aspx?pid=4247). Despite receiving mixed reviews, Inhon went on to create the Carbonbook 11 based on the same framework as the X11. The Inhon Carbonbook 11 I bought has a Core i5-3337U processor and a 120GB SSD. It weighs less than 1kg, and has a mediocre battery to keep its body slim. The main reason I bought the Carbonbook last year was because my previous laptop (Asus [U32U](http://www.asus.com/Notebooks_Ultrabooks/U32U/)) was severely underpowered. Even though I upgraded it to have 6GB of RAM, it's E450 APU couldn't handle much more than extremely basic office tasks. The Carbonbook was only around $600 USD, yet it had a current-gen processor and an SSD. It had an amazing price to performance ratio.

It's been a little over two months since I arrived in [Tallinn, Estonia](http://en.wikipedia.org/wiki/Tallinn). When I stepped foot out of Tallinn Airport (Lennart Meri Tallinn Airport), I was still feeling the exhausting effects of a 20 hour flight, yet the first thing that came to my mind was: Wow, it's cold. Bear in mind I arrived in the middle of August, so technically, it was still summer! A few days later, I settled into a tiny apartment in Mustamäe. Thereafter, I began to notice other aspects of life in Estonia. For example, I was waiting for the light to turn green at a pedestrian crossing one day when I noticed a car slowing down. The driver then stopped before the crosswalk and motioned for me to go ahead. I was surprised to say the least! In Taiwan, drivers never stop for pedestrians, least of all if the light is green. But in Tallinn, drivers often stop for pedestrians - even when pedestrians don't have right of way! Another interesting fact about Estonian drivers is that I have almost never seen one run a red light.

Well, you may be wondering why I'm using AppServ instead of some other WAMP bundle. Or even why I'm not using Linux? There's no real answer - except I'm just used to it. I've been using AppServ since high school. It works, so I just didn't switch. Anyway, AppServ comes bundled with PHP 5.2.6. The more powerful date functions like [`date_diff()`](http://php.net/manual/en/datetime.diff.php) come with 5.3+. Upgrading PHP should be trivial: all you need to do is [download a thread safe version](http://windows.php.net/download/) from the PHP website. I downloaded PHP 5.6.1. Then, rename your old `php5` folder to `php5.bak` (It's located somewhere like `C:\AppServ`). Extract the upgraded PHP package to that location and rename it to `php5`. Now, restart the Apache server. You may find that it cannot restart. There may be an error saying something like: