Caching data. If you are a developer you must have heard about it somewhere. Is it really that important? There is only one thing I can say to that: yes!
There are a lot of reasons why you should start caching data that has been calculated. The most common reason is to keep the owner of the data happy, saving him/her bandwidth and server capacity.
In this article I will be telling you how to cache data given from an external service, but can also be used to save local results.
Since webservices and RESTful services are becoming more and more popular, XML is getting a common format to exchange information. XML is easy to read and has a nice tree structure, which can be easily interpreted.
This post will show you how easy it is to read XML in PHP.
In this tutorial I’ll teach you how to read information which a simple webservice provides. The webservice I choose is Last.fm. It’s quick, fun and has a lot of features. We’ll use the Recent Tracks information of a user profile.
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