You can download the class here.

The PHP Calendar is a class that generates a calendar for a given month and year. Best of all, it is extremely easy to use and can easily be extended to do whatever you want.
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You can download the Authorize.net class here.

The Authorize.net Class is used to interact with Authorize.net in order to authorize and capture funds off of a credit card. In order to use the Authorize.net service you have to sign up for an account on at Authorize.net. In order to use this class correctly you have to have the API Login and Transaction Key for your account.

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Here is the code we are using for today’s discussion on using jQuery to add Ajax to a website. You can download a copy of everything required to do this project here.
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I have loaded the instructions for how to use the Authorize.net class.  You can access it on the right side of the site under Pages.  If anyone has questions about it make sure you ask them through the fancy new contact form that is also on the right.  Sorry about the CAPTCHA, but I just don’t want to try and shovel through the spam.

If you have never used the Ternary Operator, or ? operator, your life is about to change.  The ternary operator is used as a shorthand for if .. else structures that can really clean up your code.
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cURL is a very useful tool used to progmatically connect and interact with other systems to do various tasks like download a Web Page or RSS feed.  It is also used to send information to another computer and get a response.
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I am preparing a number of posts built around a class I created that interacts with Authorize.net.  I will explain more about it later but you can download it now here.

Every web developer needs a good environment to develop their applications.  The problem is that not everyone has the money or desire to have an entire computer dedicated to this task.  Luckily with computer power increasing and the cost decreasing, it is very easy to setup an dedicated Linux development environment for free.
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