hi,
i created one registration form include image verification field how to add image and how to verify give some idea.
Thanks.

Do a Google search for 'PHP Captcha'. That will give you what you need.

Take a look at "reCaptcha". It's a pretty neat service and they have a plugin for PHP.

Be a part of the DaniWeb community

We're a friendly, industry-focused community of developers, IT pros, digital marketers, and technology enthusiasts meeting, networking, learning, and sharing knowledge.