# Prevent Concurrent Logins  Prevents users from staying logged into the same account from multiple places. **Contributors:** [fjarrett](http://profiles.wordpress.org/fjarrett) **Tags:** [login](http://wordpress.org/plugins/tags/login), [users](http://wordpress.org/plugins/tags/users), [membership](http://wordpress.org/plugins/tags/membership), [security](http://wordpress.org/plugins/tags/security), [sessions](http://wordpress.org/plugins/tags/sessions) **Requires at least:** 4.1 **Tested up to:** 4.1 **Stable tag:** trunk (master) **License:** [GPLv2 or later](http://www.gnu.org/licenses/gpl-2.0.html) [](https://travis-ci.org/fjarrett/prevent-concurrent-logins) ## Description ## **Did you find this plugin helpful? Please consider [writing a review](https://wordpress.org/support/view/plugin-reviews/prevent-concurrent-logins).** * Deters members/subscribers from sharing their accounts with others * Hardens security by destoying old sessions automatically * Prompts old sessions to login again if they want to continue * Ideal for membership sites and web applications If for some reason you don't want to use a plugin to do this, you can just add these functions and hooks to your theme: https://gist.github.com/fjarrett/0fa79273bd879f7ab6b3 **Development of this plugin is done [on GitHub](https://github.com/fjarrett/prevent-concurrent-logins). Pull requests welcome. Please see [issues reported](https://github.com/fjarrett/prevent-concurrent-logins/issues) there before going to the plugin forum.** ## Frequently Asked Questions ## ### Can I still allow concurrent logins for certain users? ### Yes, you can do this by using the `pcl_prevent_concurrent_logins` filter: ```php function pcl_bypass_admins( $user_id ) { $user = get_user_by( 'id', absint( $user_id ) ); if ( ! empty( $user->roles[0] ) && 'administrator' === $user->roles[0] ) { return false; } return true; } add_filter( 'pcl_prevent_concurrent_logins', 'pcl_bypass_admins', 10, 1 ); ``` ## Changelog ## ### 0.1.1 - January 2, 2015 ### * Added filter to allow certain users to have concurrent sessions when necessary Props [fjarrett](https://profiles.wordpress.org/fjarrett/), [nutsandbolts](https://github.com/nutsandbolts) ### 0.1.0 - December 31, 2014 ### * Initial release Props [fjarrett](https://profiles.wordpress.org/fjarrett/)