Captcha FAQS

1. What are the System Requirements for Captcha Help?
A: Your web hosting account must have PHP 4.0 or newer, with GD and Freetype libraries installed and enabled. GD is a library in php that have functions to generate images, and Freetype is needed to display text by True Type fonts. Both libraries are installed by default on most web hosting accounts, and in the rare cases when they are not present they can be easily installed by the admin.

2. How can I install it?
A. After download, you just need to copy the files to your web hosting account. Then, you need to include in your web form to have the image listed, That's it! More info can be found in the readme.txt file

3. Can I use it on my existing web forms?
A. Yes, you can add the captcha very easy to your existing web forms, by following three easy steps. You need to upload the script to your webserver, then paste a given HTML code to your webform, and then paste a given PHP code to the PHP file that is processing the web form.

1. Call to undefined function ImageTTFBBox()
A. This error is given when your server does not have GD support installed. GD Graphics Library support is needed to draw images with PHP. Please ask your web hosting provider or server administrator to install GD support to your web server, he can easily download the files from www.libgd.org, it is free and most web hosting are providing it at no extra cost.

2. imagettftext() [function.imagettftext]: Could not find/open font
A. This error is given when your server does not have FreeType support installed. FreeType support is needed to access True Type fonts. Please ask your web hosting provider or server administrator to install FreeType support to your web server, he can easily download the files from www.freetype.org, it is free and most web hosting are providing it at no extra cost