Author Archive

Written by Gertjan on May 11th, 2009
One of the most annoying things about working with images is getting them into the right size. Screenshots start out huge - and you need to resize them to an appropriate size for your website. Some blogs automatically resize the pictures for you into a thumbnail - like the image to ...
Written by Gertjan on May 11th, 2009
A brochure-style Web site may be sufficient for a business that simply wants a basic Web presence — some static pages to inform the visitor of the company's off-line contact information. But most organizations want a Web site that can interact with the visitor, delivering custom content in dynamically-generated pages, ...
Written by Gertjan on May 11th, 2009
One of the more surprising things you can learn about PHP is that it’s actually very useful when it comes to manipulating images of varying filetypes and formats. And a good thing too, since a lot of the internet is made up of pictures!
Written by Gertjan on May 11th, 2009
This tutorial will teach you the very basics on how to use a PHP #include command. The #include command is used to insert the content of an external HTML page into an existing PHP page. For example, the header and footer of this page you are reading right now are ...
Written by Gertjan on May 11th, 2009
When developing more complex PHP sites, especially forums, discussion boards and blogs where date and time functions are important, you’ll regularly encounter situations where you need to display and manipulate values based around the current date and time. PHP includes a range of functions which can help you to easily ...
Written by Gertjan on May 11th, 2009
Regular expression is the basic functionality of pattern comparison. PHP offers two sets of functions for regular expressions - POSIX style and Perl style. Both types have slightly different syntax and this post should give basic overview of the POSIX one.
Written by Gertjan on April 21st, 2009
PHP is one of the most popular programming languages for the web. Sometimes a feature-friendly language can help the programmer too much, and security holes can creep in, creating roadblocks in the development path. In this tutorial, we will take a look at 5 tips to help you avoid some ...
Written by Gertjan on April 21st, 2009
Bots or Crawlers, are basically search engines crawling around the internet. This is how you get your pages on search engines (well, a major way). Bot Detection isn't something super vital, but if your CMS or website already has practically everything, then you need Bot Detection. Really Bot Detection isn't as ...
Written by Gertjan on April 21st, 2009
This tutorial will show you how to make a very simple feature which will help your users make more secure passwords, in registration forms. After the user types their password, this script will make a request to a PHP page, which will check the password for lowercase letters, uppercase letters, ...
Written by Gertjan on April 21st, 2009
As a developer you may run into a situation such as what I had, numerous applications deployed. With multiple logins for all the apps, we had to find way to integrate all logins for better management and maintenance. Since we were using Apache with a PHP server, the solution was to find ...