PHP Image Verification Tutorial

by Darryl Porter

Monday, 12th September 2005

Introduction

I'm sure many of you have logged on to Yahoo!, eBay or even here on phpNoise and have run across the verification image containing numbers and letters that you must plug into an input box for verification. And maybe you thought, "What the heck is this for?" or "I wish I knew how to do that."
You wanna know--then I will show you how.

A script like this is usually used for further security of the user's information--or, like on Planet Source Code, so that "unscrupulous people" cannot use "HTTP Post code in their submissions to trick people into unknowingly voting for them."

Okay, enough talk--let's get started.


Options:
Printer Friendly

About The Author:

D. Porter is the previous Director of Web Communications of Wright State University Student Government. During his tenure at WSU, he helped to implement interactive web solution that served up to 17,000 Student, including his work on an On-line Voting web solution and an On-line Book Swap-, whick allowed students to register, log on, post, browse, search for books, and many other features. Porter has many years of Hard hitting coding experience. He offers quick and thorough service.

Developer Categories



Developer Tutorials
ASP
CGI & Perl
CSS
Flash
HTML
Java
JavaScript
MySQL
PHP
Python
XML

Developer Documentation

Developer Tools



Search our Developer Tutorials
  The DevSyndicate Network