wpsnoop: fix WP-UserOnline plugin conflicts, errors & issues

When the plugin WP-UserOnline 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 WP-UserOnline, plus learn which plugins and/or themes could be in conflict with WP-UserOnline.

Troubleshooting theme and plugin conflicts is easier when you know what WP-UserOnline 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 WP-UserOnline

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What does WP-UserOnline version 2.87.6 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for WP-UserOnline to perform differently in your installation, previous versions before 2.87.6 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 2.87.6 of WP-UserOnline 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 WP-UserOnline 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.

Summary of WordPress plugin analysis: WP-UserOnline

Plugin Slug: wp-useronline Internal ID: 90240 Addon Type: Plugin Version: 2.87.6 Price: Free Source: WordPress.org Files: 27 (118.98kB) Short Codes: [ / ] 1 Database Tables: 1 Function Count: 32 Code Review: Search Provit

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Which new files does WP-UserOnline add to WordPress?

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

The plugin WP-UserOnline added 27 new files when it was installed with WP-CLI in our WordPress test environment.

Type & Path	Size	Conflicts
wp-content/plugins/wp-useronline/	118.98kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-useronline/admin.php	8.20kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-useronline/bots.php	3.90kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-useronline/core.php	5.64kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-useronline/deprecated.php	748.00B	No known conflicts with other themes or plugins.
wp-content/plugins/wp-useronline/readme.txt	5.23kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-useronline/scb/	75.82kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-useronline/scb/AdminPage.php	12.46kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-useronline/scb/BoxesPage.php	7.07kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-useronline/scb/composer.json	631.00B	No known conflicts with other themes or plugins.
wp-content/plugins/wp-useronline/scb/Cron.php	4.88kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-useronline/scb/Forms.php	21.54kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-useronline/scb/Hooks.php	2.24kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-useronline/scb/load-composer.php	210.00B	No known conflicts with other themes or plugins.
wp-content/plugins/wp-useronline/scb/load.php	2.22kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-useronline/scb/Options.php	3.82kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-useronline/scb/PostMetabox.php	6.91kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-useronline/scb/Table.php	1.21kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-useronline/scb/Util.php	10.06kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-useronline/scb/Widget.php	2.61kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-useronline/template-tags.php	8.66kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-useronline/uninstall.php	1.02kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-useronline/useronline.dev.js	621.00B	No known conflicts with other themes or plugins.
wp-content/plugins/wp-useronline/useronline.js	453.00B	No known conflicts with other themes or plugins.
wp-content/plugins/wp-useronline/widget.php	3.24kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-useronline/wp-stats.php	2.15kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-useronline/wp-useronline.php	3.33kB	No known conflicts with other themes or plugins.

Which new shortcodes does WP-UserOnline add to WordPress?

The plugin WP-UserOnline added 1 new shortcode when it was installed with WP-CLI in our WordPress test environment.

ShortCode		Known Plugin or Theme conflicts
[page_useronline]		The page_useronline shortcode has potential conflict with at least 1 other plugin or theme.

Note: We have not yet checked to see if these shortcodes work as expected in pages, posts, sidebar widgets, or when set as the page title, in content, in the excert, in menus or anywhere else within a WordPress installation. A shortcode could produce errors due to parameters added when it is used, or if the plugin is updated and the format of the shortcode has changed.

Which new database tables are created by the WordPress plugin WP-UserOnline?

WP-UserOnline created 1 new database table when it was installed in our test environment:

Table name	Known Plugin or Theme conflicts
wp_useronline	Potential conflict with 2 other plugins

After uninstalling and deleting WP-UserOnline using WP-CLI there were 0 database tables that still remained.

Table name	Status

Click the table name above for more information on what the orphan tables could mean to your WordPress installation and some tips on how to deal with it.

Which new options are added to the wp-options table by WP-UserOnline?

When WP-UserOnline was activated and loaded for the first time it created 3 new options in the wp_options table. Any known conflicts will be shown in red.

Option Name		Known Conflicts
useronline		Potential conflict with 1 plugin or theme
a:5:{s:7:"timeout";i:300;s:3:"url";s:31:"http://testing.local/useronline";s:5:"names";b:0;s:6:"naming";a:8:{s:4:"user";s:6:"1 User";s:5:"users";s:13:"%COUNT% Users";s:6:"member";s:8:"1 Member";s:7:"members";s:15:"%COUNT% Members";s:5:"guest";s:7:"1 Guest";s:6:"guests";s:14:"%COUNT% Guests";s:3:"bot";s:5:"1 Bot";s:4:"bots";s:12:"%COUNT% Bots";}s:9:"templates";a:3:{s:10:"useronline";s:56:"<a href="%PAGE_URL%"><strong>%USERS%</strong> Online</a>";s:12:"browsingsite";a:2:{s:10:"separators";a:3:{s:7:"members";s:2:", ";s:6:"guests";s:2:", ";s:4:"bots";s:2:", ";}s:4:"text";s:86:"Users: <strong>%MEMBER_NAMES%%GUESTS_SEPARATOR%%GUESTS%%BOTS_SEPARATOR%%BOTS%</strong>";}s:12:"browsingpage";a:2:{s:10:"separators";a:3:{s:7:"members";s:2:", ";s:6:"guests";s:2:", ";s:4:"bots";s:2:", ";}s:4:"text";s:136:"<strong>%USERS%</strong> Browsing This Page.<br />Users: <strong>%MEMBER_NAMES%%GUESTS_SEPARATOR%%GUESTS%%BOTS_SEPARATOR%%BOTS%</strong>";}}}
useronline_most		Potential conflict with 1 plugin or theme
a:2:{s:5:"count";i:1;s:4:"date";i:1645519309;}
widget_useronline		Potential conflict with 1 plugin or theme
a:0:{}

During use WP-UserOnline 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.

After disabling and deleting WP-UserOnline there were 1 option still present in the wp-options table:

recently_activated

Contact WP-UserOnline experts for help

What new PHP functions does WP-UserOnline declare when it is active?

Installing WP-UserOnline added 32 new function to Wordpress at run-time. These functions are internal and generally aren't meant to be used except by developpers who wish to interface with the plugin to enhance or alter its behavior.

Function	Conflicts	Common Errors
_useronline_init	1 conflict	Fatal error: Cannot redeclare _useronline_init()
get_most_useronline	1 conflict	Fatal error: Cannot redeclare get_most_useronline()
get_most_useronline_date	1 conflict	Fatal error: Cannot redeclare get_most_useronline_date()
get_most_users_online	1 conflict	Fatal error: Cannot redeclare get_most_users_online()
get_most_users_online_date	1 conflict	Fatal error: Cannot redeclare get_most_users_online_date()
get_useronline	1 conflict	Fatal error: Cannot redeclare get_useronline()
get_useronline_	1 conflict	Fatal error: Cannot redeclare get_useronline_()
get_useronline_count	1 conflict	Fatal error: Cannot redeclare get_useronline_count()
get_users_browsing_page	1 conflict	Fatal error: Cannot redeclare get_users_browsing_page()
get_users_browsing_site	1 conflict	Fatal error: Cannot redeclare get_users_browsing_site()
get_users_online	1 conflict	Fatal error: Cannot redeclare get_users_online()
get_users_online_count	1 conflict	Fatal error: Cannot redeclare get_users_online_count()
html	41 conflicts	Fatal error: Cannot redeclare html()
html_link	40 conflicts	Fatal error: Cannot redeclare html_link()
is_user_online	2 conflicts	Fatal error: Cannot redeclare is_user_online()
most_users_online	1 conflict	Fatal error: Cannot redeclare most_users_online()
most_users_online_date	1 conflict	Fatal error: Cannot redeclare most_users_online_date()
scb_admin_notice	34 conflicts	Fatal error: Cannot redeclare scb_admin_notice()
scb_get_query_flags	29 conflicts	Fatal error: Cannot redeclare scb_get_query_flags()
scb_init	38 conflicts	Fatal error: Cannot redeclare scb_init()
scb_install_table	34 conflicts	Fatal error: Cannot redeclare scb_install_table()
scb_list_fold	34 conflicts	Fatal error: Cannot redeclare scb_list_fold()
scb_list_group_by	23 conflicts	Fatal error: Cannot redeclare scb_list_group_by()
scb_register_table	34 conflicts	Fatal error: Cannot redeclare scb_register_table()
scb_uninstall_table	33 conflicts	Fatal error: Cannot redeclare scb_uninstall_table()
set_post_field	41 conflicts	Fatal error: Cannot redeclare set_post_field()
useronline_page	1 conflict	Fatal error: Cannot redeclare useronline_page()
users_browsing_page	1 conflict	Fatal error: Cannot redeclare users_browsing_page()
users_browsing_site	1 conflict	Fatal error: Cannot redeclare users_browsing_site()
users_online	1 conflict	Fatal error: Cannot redeclare users_online()
users_online_count	1 conflict	Fatal error: Cannot redeclare users_online_count()
users_online_page	1 conflict	Fatal error: Cannot redeclare users_online_page()

Using WP-UserOnline 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 WP-UserOnline from the command line with WP-CLI

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

wp plugin install wp-useronline

How to activate WP-UserOnline from the command line with WP-CLI

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

wp plugin install wp-useronline --activate

How to reinstall WP-UserOnline from the command line with WP-CLI

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

wp plugin install wp-useronline --force

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

wp plugin update wp-useronline

How to delete WP-UserOnline from the command line with WP-CLI

wp plugin delete wp-useronline

Where can you download earlier versions of WP-UserOnline?

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 WP-UserOnline 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 WP-UserOnline

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 WP-UserOnline. Different versions of WordPress could implement the features of this plugin in slightly different ways as well.