Asif Khalyani

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As a compliment to the amazing iMagick extension which allows an easy method to create thumbnails from images, this example shows how to create a thumbnail image using the GD library that is bundled with PHP.

Website Optimization is a complex issue, but should be known by every entrepreneur who wants to succeed on the Internet.

Ajax is well known in the web development as group of technologies for the development of dynamic web applications.

A small piece of javascript reads al SPAN tags, checks if it has class="editText" and a id=. If that is true, it adds a onclick function. That onclick function will create a textfield or input (depending on the size of the editable text). Someone has the ability to edit the field. When the text field is blurred, it will read the contents, and starts a XMLHttpRequest and ‘sends’ the content + fieldname + any set vars to an update file.

Frequent visitors of ajax enabled websites, like ajaxian, have all witnessed them already: ajax rating widgets.

Cropping and resizing your images for the Web is a common technique for creating smaller thumbnail images that download quickly.

This is the PHP and AJAX form validation application you can create AJAX and PHP: Building Responsive Web Applications.

I suppose it is neccessary to bring a little bad news to Ajax at this point, it is not possible to process a file upload through the XMLHtrtpRequest Object. The reason of this is that javascript has no access to your computer's file system.