วันอังคารที่ 20 มกราคม พ.ศ. 2552

Possibilities Of Implementing Odd Number Functions In PHP

By Chris Channing

The popular web programming platform PHP is known for its functionality for web designers and developers alike. This holds true in providing support for odd and even number functions, which are surprisingly not always in use by web developers today. Indeed, there is much to learn in how to use such functions.

It may seem somewhat far fetched, but PHP itself doesn't have a function that can determine if a number is odd or if it is even. This has led PHP developers to get creative in making their own functions that accomplish the job regardless. Whether using a simple IF statement, function, or even usign bitwise operators, there are plenty of options to undertake in order to determine if a number is odd or not.

The most common use for an odd and even number function is to alternate the color or style of tables in web design. Specifically, this is most used by bloggers who alternate the background color of comments so they are much more readable. The extra readability also helps out readers stay in discussion, as it keeps organization and makes differentiating between comments quite easy.

PHP and databases go hand in hand. Databases are used to store all types of information, both numbers and letters alike. But since databases can grow large in size, and literally have hundreds of columns and thousands of rows, some way to sort the information is necessary. Depending on the situation, an odd or even function in PHP will help out quite a bit.

Odd or even number functions are also used in arrays to organize data. This may only work for certain occasions, but it can help cut down on the number of arrays declared. By making odd numbers a certain value and even numbers another, you can essentially "stuff" another array inside an original array to save space.

Last but not least, we can couple a function to find even and odd numbers with the built-in date functions to achieve different results. We could, for instance, use odd and even numbers to put into algorithms to do all types of things- such as limiting the amount of login attempts a user can make in a given time period or even allowing doing something as simple as displaying data only at certain times. Whatever the case, the possibilities are endless when it comes to being creative in odd and even numbers.

Final Thoughts

All web designers should take note on the different ways odd and even number functions can make their life easier. From web design to arrays and complex algorithms, such functions have a very real place in every web developer's cookbook of necessary functions.

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