This plugin hasn’t been updated in over 2 years. It may no longer be maintained or supported and may have compatibility issues when used with more recent versions of WordPress.

This plugin has been closed and is no longer available for download.



is_human() is the simplest yet most extensive human verification system available on the WordPress market. Users can choose one of three verification types, or have the script show one at random on each page-load.

Currently, is_human() verifies comments and new user registrations.

Verification Methods

  • Standard Captcha Image
  • Simple Math Equation
  • Simple Custom Questions (w/ Question Generator)

New Features

  • Completely internationalized
  • Hide is_human() from registered users / admins
  • Control log display settings
  • Rejected comments logging
  • Rejected user registrations logging
  • Blacklisting for spammers
  • Status update on Dashboard
  • Widget to display statistics to public


  • Short installation guide to apply is_human() to your comment's page.
  • Spam Management center including comments and user logs, as well as blacklisting section.
  • General Settings area, for controlling the basic display options of is_human().
  • Controls for how the Captcha Image is displayed.
  • Simple questions section with generator and detailed documentation.


  1. Upload whole is-human folder to the /wp-content/plugins/ directory
  2. Activate the plugin through the ‘Plugins’ menu in WordPress
  3. Add <?php is_human(); ?> to your theme’s comments page where you want it displayed.

See also: Plugin Homepage, Author Homepage.

Contributors & Developers

“is_human()” is open source software. The following people have contributed to this plugin.

Translate “is_human()” into your language.

Interested in development?

Browse the code, check out the SVN repository, or subscribe to the development log by RSS.