CAPTCHA control for handling form SPAM
captcha Recently I used a free utility reCAPTCHA in my website contact form. The commonly accepted approach of handling form SPAM is by using a CAPTCHA control on your forms. reCAPTCHA helps prevent automated abuse of your site Below are step-by-step instructions for integrating reCAPTCHA in your CI app. Create a reCAPTCHA account Download the reCAPTCHA PHP library Use the library in your project To change the theme and other options, simply create a dictionary called RecaptchaOptions in a script-tag: Enter the two words below: Choose captcha format: Image or Audio <iframe src="http://api.recaptcha.net/noscript?k=INSERT_KEY_HERE"> height="300" width="500" frameborder="0"></iframe> <textarea name="recaptcha_challenge_field" rows="3" cols="40"> </textarea> <input type="hidden" name="recaptcha_response_field" &...