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.




Stop any strangers from entering your blog! Only the ones who received invitation code will be able to register. You can configure different plugin options – separators, number of chars to be used for code generation, code working time and much more! Also, now you can add codes manually and view added codes.


This plugin is compatible with WordPress 4, should be compatible with buddypress and may be compatible with wordpress MU. If you find any compatibility issues for current versions – feedback appreciated.



  • English
  • Russian


This plugin only denies new registrations from strangers. If you need to make your blog really private, you should restrict viewing with Registered-Users-Only-2 plugin or somewhat alike.


If you have troubles with my plugin, need more details, or have suggestions – please visit my blog for more info.


If you don’t rate my plugin as 5/5 – please write why – and I will change plugin, add options and fix bugs. It’s very unpleasant to see silient low rates.
If you don’t understand what plugin does – also don’t rate it 😉

Donate or help?

If you want to ensure the future development and support of this plugin, you can make donation on this page or just write about this plugin in your blog.


Please look instructions on the installation page ^_^.


  • Invitation code request while registering in WordPress.
  • Invitation code is displayed for administrator in user profile.
  • Invitation code is also displayed for administrator in user profile in Buddypress.


1. Upload the complete folder wp-invites to the /wp-content/plugins/ directory;
3. Activate the plugin through the ‘Plugins’ menu in WordPress;
2. Get activation codes through Plugins->WP-invites (Site admin->WP-invites for WP MU) link;
4. Enjoy.

For old versions of WordPress MU and Buddypress:
1. Upload the complete folder wp-invites to the /mu-plugins/ directory;
2. Put file wp-invites-MU_INIT.php from wp-invites to upper directory, mu-plugins;
3. Get activation codes through Site admin->WP-invites link;
4. Enjoy.


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Contributors & Developers

“WP-Invites” is open source software. The following people have contributed to this plugin.


0.1 – First release
0.2 – Activation and language issues with wordpress MU fixed
0.3 – Updated to work with the latest BuddyPress system
0.4 – Defined str_split function for compatibility with PHP4
1.0 – Many different fixes, including usernames’s replacing and error reporting
1.1 – Fixed broken compatibility mode for MySQL 4, added some error reporting
1.2 – Crytical upgrade for WP MU (not for simple wordpress), install as soon as possible.
1.3 – Fixed registration incompatibility issues.

2.0 – Absolutely new version, with many functions, compatible with newest wordpress, wordpress mu and buddypress.
2.1 – Several fixes for simple wordpress.
2.2 – Internal release
2.21 – Fix for simple wordpress & Buddypress combo errors. Hope it works.
2.30 – Fixed for wordpress 4.1, direct SQL replaced with $wpdb queries, added missing menu button.
2.40 – Many changes for admin area, added cool styling, improved some SQL queries. Also fixed localization issues.
2.41,2.42 – Fix for buddypress.
2.50 – Code rewrite in Object oriented style, debug mode implemented, fixed error with user activation.