wpsnoop: fix Login LockDown plugin conflicts, errors & issues

When the plugin Login LockDown conflicts or throws a PHP error we hope wpsnoop can help you to fix the issue quickly.


Discover which shortcodes wp-options PHP functions database tables and files are created by Login LockDown, plus learn which plugins and/or themes could be in conflict with Login LockDown.


Troubleshooting theme and plugin conflicts is easier when you know what Login LockDown leaves behind after uninstalling it from a WordPress installation, there is a list down below for your convenience.

Expert advice is recommended if you are not technically proficient with PHP, MySQL etc. View support options for Login LockDown

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What does Login LockDown version v1.8.1 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for Login LockDown to perform differently in your installation, previous versions before v1.8.1 may have created a different set of shortcodes, used different function names or could have created entirely different database tables to store settings and operate. This is not an exhaustive list but shows how version v1.8.1 of Login LockDown behaves when installed and removed on a clean installation of WordPress.

We have not tested individual shortcodes, features or settings of this plugin but instead have concentrated on the potential for obvious errors and conflicts which can occur, if you need help with the plugin in your local installation you can get WordPress help and support for Login LockDown by clicking here.

Our testing covered the free version of this plugin there may or may not be a paid version or premium version available for purchase that unlocks additional features and could behave in a slightly or very different manner.

Which new files does Login LockDown add to WordPress?

This section will populate with a table showing an icon, size and filepath.

Type & Path Size Conflicts
wp-content/plugins/login-lockdown/ 46.84kB No known conflicts with other themes or plugins.
wp-content/plugins/login-lockdown/languages/ 4.32kB No known conflicts with other themes or plugins.
wp-content/plugins/login-lockdown/languages/loginlockdown.pot 4.32kB No known conflicts with other themes or plugins.
wp-content/plugins/login-lockdown/license.txt 15.05kB No known conflicts with other themes or plugins.
wp-content/plugins/login-lockdown/loginlockdown.php 24.46kB No known conflicts with other themes or plugins.
wp-content/plugins/login-lockdown/readme.txt 3.01kB No known conflicts with other themes or plugins.
wp-content/plugins/login-lockdown/version.txt 6.00B No known conflicts with other themes or plugins.

Which new shortcodes does Login LockDown add to WordPress?

Which new database tables are created by the WordPress plugin Login LockDown?

Which new options are added to the wp-options table by Login LockDown?

Option Name   Known Conflicts
loginlockdownAdminOptions The loginlockdownAdminOptions option doesn't have any known conflicts with other themes or plugins.

During use Login LockDown may or may not create more options depending on how the plugin is configured and depending on which other themes and plugins are active in your specific hosting environment.

What new PHP functions does Login LockDown declare when it is active?

Function   Conflicts Common Errors
wp_authenticate 18 conflicts Fatal error: Cannot redeclare wp_authenticate()
calc_subnet 0 conflicts Fatal error: Cannot redeclare calc_subnet()
countfails 0 conflicts Fatal error: Cannot redeclare countfails()
expandipv6 0 conflicts Fatal error: Cannot redeclare expandipv6()
get_loginlockdownoptions 0 conflicts Fatal error: Cannot redeclare get_loginlockdownoptions()
incrementfails 0 conflicts Fatal error: Cannot redeclare incrementfails()
islockeddown 0 conflicts Fatal error: Cannot redeclare islockeddown()
listlockeddown 0 conflicts Fatal error: Cannot redeclare listlockeddown()
ll_credit_link 0 conflicts Fatal error: Cannot redeclare ll_credit_link()
ll_wp_authenticate_username_password 0 conflicts Fatal error: Cannot redeclare ll_wp_authenticate_username_password()
lockdown 0 conflicts Fatal error: Cannot redeclare lockdown()
loginlockdown_ap 0 conflicts Fatal error: Cannot redeclare loginlockdown_ap()
loginlockdown_init 0 conflicts Fatal error: Cannot redeclare loginlockdown_init()
loginlockdown_install 0 conflicts Fatal error: Cannot redeclare loginlockdown_install()
loginlockdown_multisite_activate 0 conflicts Fatal error: Cannot redeclare loginlockdown_multisite_activate()
loginlockdown_multisite_legacy 0 conflicts Fatal error: Cannot redeclare loginlockdown_multisite_legacy()
loginlockdown_multisite_newsite 0 conflicts Fatal error: Cannot redeclare loginlockdown_multisite_newsite()
print_loginlockdownadminpage 0 conflicts Fatal error: Cannot redeclare print_loginlockdownadminpage()

Using Login LockDown from the command line with WP-CLI

The following commands are provided for convenience and should only be used if you understand how WP-CLI works. These commands refer to a single WordPress instance and may need to be modified if you are working with a Multisite installation.


How to install Login LockDown from the command line with WP-CLI

Navigate to the root of your WordPress installation and type the following command:

wp plugin install login-lockdown


How to activate Login LockDown from the command line with WP-CLI

To immediately activate Login LockDown after WP-CLI downloads the latest version you can use the following command:

wp plugin install login-lockdown --activate


How to reinstall Login LockDown from the command line with WP-CLI

To force a reinstallation of Login LockDown which overwrites the current plugin without asking for confirmation you can use the following command:

wp plugin install login-lockdown --force


How to update Login LockDown to the latest version from the command line with WP-CLI

wp plugin update login-lockdown


How to delete Login LockDown from the command line with WP-CLI

wp plugin delete login-lockdown

Where can you download earlier versions of Login LockDown?

Whenever possible you should use the latest version of plugins and themes, however if you have recently updated and discovered that you need to install an earlier version you may be able to download other versions of Login LockDown from the WordPress repository by visiting this link.

Please note that installing earlier versions of a theme or plugin is not generally a recommended course of action for most users and could re-introduce security, stability or other issues in Login LockDown

About our testing enviroment

Tests were conducted using Apache 2.4.29, PHP 7.2 on Ubuntu 18.04, MySQL 5.7.33 and WordPress 5.9

It is very possible that different versions of PHP such as PHP 8.0, PHP 7.4, or PHP 7.3 could behave differently with Login LockDown. Different versions of WordPress could implement the features of this plugin in slightly different ways as well.