![]() index.php is the actual webpage, js.js and css.css should be obvious, while image_manipulation.php will store the code that handles the uploaded image and then, later, saves the manipulated version. Set up a working folder and create four files in it: index.php, js.js, image_manipulation.php and css.css. Client-side-wise you’ll need a text editor, some pictures and a copy of jQuery. GD has come bundled with PHP as standard for some time, but you can confirm this by running the phpinfo() function and verifying that it’s available on your server. You’ll need a PHP test server running the GD library, either on your hosting or, if working locally, through something like XAMPP. You should also be at least intermediate level in JavaScript, though if you’re a fast learning beginner, you should be fine as well.Ī quick word about the technologies you’ll need to work through this article. Not necessarily GD - I’ll run you through that part, and GD is very friendly anyway. They may not have access to or have the necessary skills to use Photoshop, and in any case why would you want to make the experience of your visitors more difficult?įor this article, you would ideally have had at least some experience working with PHP. The advantages are obvious by including a functionality like this, you alleviate the need to edit pictures manually from your visitors, which has obvious drawbacks. We’ve all seen this sort of Web application before - Facebook, Flickr, t-shirt-printing sites. You can download the source files ( updated) for reference. Sure, there are plugins out there that you can use to do this but this article aims to show you what’s behind the process. In this article, I’ll be looking at how to combine JavaScript/jQuery with PHP and, particularly, PHP’s GD library to create an image manipulation tool to upload an image, then crop it and finally save the revised version to the server. When combined with server-side technologies such as PHP, this puts a serious amount of power at your finger tips. ![]() One of the numerous advantages brought about by the explosion of jQuery and other JavaScript libraries is the ease with which you can create interactive tools for your site. Learn how to combine JavaScript/jQuery with PHP and, particularly, PHP’s GD library to create an image manipulation tool to upload an image, then crop it, and finally save the revised version to the server.
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