CAPTCHA

The Wikibook

This book will show:

1. How to make a CAPTCHA
2. Typical CAPTCHA usages

ChaptersEdit

• Why?
• Usages
• Integration
  • Pre-made
  • Roll your own
    • The Anti-CAPTCHA
      • The Anti-CAPTCHA - Stronger
    • Images and PHP
  • Plugins
• Conclusion