With is I know what kind of server environment my program is running.

It is sometime important to understand what kind of data you are dealing with. This is specially useful when you are trying to verify user input.

I guess to create dimension (or multi dimensional array) using PHP, you do not need to define the dimension size. It is very interesting.

Wow ... This is quite a performance by high-school girls.

Array Sort. When I was programming in the other language, I had to write a routine to do the sorting. But PHP provides a function to do the sorting.

(1) Creating Array. (2) Imploding Array into a string. (3) Exploding a string back to an array. This function should be useful creating a CSV file or reading CSV file in an array. Note: So far the most difficult thing about learning PHP is to create an environment where you can test your source code. Lucky for me, I have...

Do you know what Takoyaki is? It is a very popular meal/snack for western part of Japan specially Osaka. Many households in Osaka / Kansai (Western Part of Japan) own Takoyaki cooker. When you visit Osaka, this is something you must try.

Array ... It is bit confusing. Have you thought about web server programming?

Did you know Whiskies are the trendy drink in Japan right now. I heard the boom started with "Highball" CM in Japan. So, if you are visiting someone in Japan, bring a bottle of whisky. They might like it.

Variables in PHP starts with $ sign.