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All pages tagged GENERATION

PHP: Create Thumbnail Images

This tutorial will describe how to create thumbnail images on the fly using PHP. Furthermore you will learn how to process a whole folder of images and create their thumbnails. Since this requires the GD library, you will need an installation of PHP with at least GD 2.0.1 enabled. More...

Tags: PHP DYNAMIC IMAGE THUMBNAIL GENERATION GD2 STORE Hits: 335537 Comments: 46

Create CAPTCHA Protection using PHP and AJAX

CAPTCHA is a simple test to determine if a user is a computer or a human. It is used to prevent spam abuse on the websites. The goal of this tutorial is to demonstrate how to make your own simple CAPTCHA protection using PHP and AJAX technologies. More...

Tags: PHP JAVASCRIPT AJAX CAPTCHA DYNAMIC IMAGE GENERATION GD SECURE SPAM Hits: 247274 Comments: 34

PHP: Dynamic Image Generation

Creating images on the fly can be a very useful skill. In this tutorial we will show you how to get quite interesting and useful effects using image handling functions. We will review two practical tasks: creating security images (captcha) on the fly and building a bar chart using numerical values retrieved from MySQL database. More...

Tags: DYNAMIC IMAGE GENERATION GD CAPTCHA GRAPH STORE CACHE Hits: 166958 Comments: 20



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