PHP Captcha

[Zaphan58]

I have a little contact form on my site written with HTML and PHP and today it got it's first spam through. Time to add a bit of something to combat that I think. What do most people use? A script they've written themselves or something like reCaptcha? http://www.google.com/recaptcha

 

[Zaphan58]

Hmm I might set up reCaptcha then. Would it be too little to add a little field that asked a single question, hold the answer in a variable and check it against the input?

 

[Zaphan58]

Thanks for the examples guys I've put something simple in place similar to what Russinating has done with PHP for now so we'll see how that goes