Hello, on 06/17/2006 02:46 AM Ron Piggott (PHP) said the following: > I have a set of graphical letters A to Z. I want some displayed and > then keyed into a security field to verify a person is submitting the > form. I have seen these used before on shopping carts. > > I know about creating salts to select which letters to choose. > > What I am wondering is if there is a way to join the letters together > instead of having 6 different images displayed.
Usually that is done by generating dynamically a single image using the GD extension. You may want to take a look at this forms generation class to perform that kind of validation. It generates an image with a random text and a noise image to make the text a little fuzzy and harder to crack by robots. Here is a screenshot of the text: http://www.phpclasses.org/browse/file/8244.html Take a look at the test_captcha_input.php example script to learn how the class can simplify this task for you using this plug-in: http://www.phpclasses.org/formsgeneration -- Regards, Manuel Lemos Metastorage - Data object relational mapping layer generator http://www.metastorage.net/ PHP Classes - Free ready to use OOP components written in PHP http://www.phpclasses.org/ -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
