Ever wanted an all purpose, easy to use method of resizing your images in PHP? Well that’s what PHP classes are for – reusable pieces of functionality that we call to do the dirty work behind the scenes. We’re going to learn how to create our own class that will be well constructed, as well as expandable. Resizing should be easy. How easy? How about three steps!

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PDFs may well be the best format for distributing documents on the web. In today’s tutorial and screencast, I’ll show you how you can generated PDFs with PHP. Help give back to Nettuts+ by becoming a Premium member!

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For security reasons, we cannot make cross-domain AJAX requests with jQuery. For example, I can’t call the load() method, and pass in ‘cnn.com’. As we’d be loading in scripts and such, as well as our desired content, this would present a significant security risk. Nonetheless, there may be times when this is specifically what you require. Thanks to YQL, we can allow for this functionality rather easily!

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In this tutorial, we’re going to build a PHP/MySQL powered forum from scratch. This tutorial is perfect for getting used to basic PHP and database usage. Let’s dive right in!

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WordPress 3.0 is scheduled to be released within the next 30-60 days. There are some great new features coming, including custom post types, a new default theme, and a menu manager. Read on to find out what to expect in version three!

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Node.js is all the buzz at the moment, and makes creating high performance, real-time web applications easy. It allows JavaScript to be used end to end, both on the server and on the client. This tutorial will walk you through the installation of Node and your first “Hello World” program, to building a scalable streaming Twitter server.

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A couple weeks ago, I created a screencast that demonstrated how to build a three-level navigation menu. In a response email, one of our readers requested a tutorial on how to build a lava-lamp style menu. Luckily, it’s quite a simple task, especially when using a JavaScript library. We’ll build one from scratch today.

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In this video quick tip, we’ll review how to work with HTML 5 video in your own projects. Because older browsers and Internet Explorer do not understand the <video> element, we must also find a way to serve a Flash file to viewers who are utilizing those browsers.

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In today’s episode, we are going to be working with several helper functions, related to files, directories, and downloads. We are going to learn how to read, write, download files, and retrieve information about both files and directories. Also at the end we will build a small file browser that utilizes jQuery as well.

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Tumblr’s popularity over the last year has increased exponentially. The reason why is quite simple: Tumblr is flexible, powerful, and, most importantly, a pleasure to work with. Unfortunately, there aren’t many training resources available for the platform yet. In this video series, we’ll go through the process of taking a Tumblr theme, designed in Photoshop, and converting it into a fully working theme – in just a few hours.

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