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See Advanced Courses NAH, I know EnoughAdd reCaptcha to your Drupal 7 forms programatically
If you want to add Google's reCaptcha (https://www.google.com/recaptcha/intro/index.html) to your Drupal 7 forms programmatically you need to follow these two steps:
1) Install and enable captcha (https://www.drupal.org/project/captcha) and recaptcha (https://www.drupal.org/project/recaptcha) modules. The best way to do this is to use drush: drush en -y recaptcha
2) Add this snippet to any Drupal form's code you wish to have this captcha on:
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And you're done! I hope from now on, spam bots will bother you less.
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About Drupal Sun
Drupal Sun is an Evolving Web project. It allows you to:
- Do full-text search on all the articles in Drupal Planet (thanks to Apache Solr)
- Facet based on tags, author, or feed
- Flip through articles quickly (with j/k or arrow keys) to find what you're interested in
- View the entire article text inline, or in the context of the site where it was created
See the blog post at Evolving Web