wpsnoop: fix External Events Calendar plugin conflicts, errors & issues

When the plugin External Events Calendar 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 External Events Calendar, plus learn which plugins and/or themes could be in conflict with External Events Calendar.


Troubleshooting theme and plugin conflicts is easier when you know what External Events Calendar 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 External Events Calendar

Get professional support for External Events Calendar here

When you need professional help with WordPress: get help here


What does External Events Calendar version 0.4.0 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for External Events Calendar to perform differently in your installation, previous versions before 0.4.0 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 0.4.0 of External Events Calendar 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 External Events Calendar 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 External Events Calendar add to WordPress?

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

Type & Path Size Conflicts
wp-content/plugins/external-events-calendar/ 76.04kB No known conflicts with other themes or plugins.
wp-content/plugins/external-events-calendar/admin.options.php 9.75kB No known conflicts with other themes or plugins.
wp-content/plugins/external-events-calendar/gad-events-calendar.css 379.00B No known conflicts with other themes or plugins.
wp-content/plugins/external-events-calendar/gad-events-calendar.php 24.69kB No known conflicts with other themes or plugins.
wp-content/plugins/external-events-calendar/pagination.class.php 8.02kB No known conflicts with other themes or plugins.
wp-content/plugins/external-events-calendar/readme.txt 8.58kB No known conflicts with other themes or plugins.
wp-content/plugins/external-events-calendar/screenshot-1.jpg 24.63kB No known conflicts with other themes or plugins.

Which new shortcodes does External Events Calendar add to WordPress?

ShortCode   Known Plugin or Theme conflicts
[eventslisting] The eventslisting shortcode doesn't have any known conflicts with other themes or plugins.

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 External Events Calendar?

Which new options are added to the wp-options table by External Events Calendar?

Option Name   Known Conflicts
extevtcal_currentday_behavior The extevtcal_currentday_behavior option doesn't have any known conflicts with other themes or plugins.
extevtcal_date_formatting The extevtcal_date_formatting option doesn't have any known conflicts with other themes or plugins.
extevtcal_db_version The extevtcal_db_version option doesn't have any known conflicts with other themes or plugins.
extevtcal_link_position The extevtcal_link_position option doesn't have any known conflicts with other themes or plugins.
extevtcal_use_css The extevtcal_use_css option doesn't have any known conflicts with other themes or plugins.
widget_extevtcal_widget The widget_extevtcal_widget option doesn't have any known conflicts with other themes or plugins.

During use External Events Calendar 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 External Events Calendar declare when it is active?

Function   Conflicts Common Errors
dateformat 2 conflicts Fatal error: Cannot redeclare dateformat()
get_link_meta 1 conflict Fatal error: Cannot redeclare get_link_meta()
update_link_meta 1 conflict Fatal error: Cannot redeclare update_link_meta()
add_extevtcal_metabox 0 conflicts Fatal error: Cannot redeclare add_extevtcal_metabox()
add_extevtcal_submenu_pages 0 conflicts Fatal error: Cannot redeclare add_extevtcal_submenu_pages()
check_extevtcal_category 0 conflicts Fatal error: Cannot redeclare check_extevtcal_category()
eventslisting 0 conflicts Fatal error: Cannot redeclare eventslisting()
extevtcal_install 0 conflicts Fatal error: Cannot redeclare extevtcal_install()
extevtcal_load_stylesheet 0 conflicts Fatal error: Cannot redeclare extevtcal_load_stylesheet()
extevtcal_manage_events 0 conflicts Fatal error: Cannot redeclare extevtcal_manage_events()
extevtcal_metabox 0 conflicts Fatal error: Cannot redeclare extevtcal_metabox()
extevtcal_register_widgets 0 conflicts Fatal error: Cannot redeclare extevtcal_register_widgets()
extevtcal_settings_page 0 conflicts Fatal error: Cannot redeclare extevtcal_settings_page()
extevtcal_showlist 0 conflicts Fatal error: Cannot redeclare extevtcal_showlist()
processdatelisting 0 conflicts Fatal error: Cannot redeclare processdatelisting()
register_extevtcal_settings 0 conflicts Fatal error: Cannot redeclare register_extevtcal_settings()
save_extevtcal_metabox 0 conflicts Fatal error: Cannot redeclare save_extevtcal_metabox()
sortlistings 0 conflicts Fatal error: Cannot redeclare sortlistings()

Using External Events Calendar 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 External Events Calendar from the command line with WP-CLI

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

wp plugin install external-events-calendar


How to activate External Events Calendar from the command line with WP-CLI

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

wp plugin install external-events-calendar --activate


How to reinstall External Events Calendar from the command line with WP-CLI

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

wp plugin install external-events-calendar --force


How to update External Events Calendar to the latest version from the command line with WP-CLI

wp plugin update external-events-calendar


How to delete External Events Calendar from the command line with WP-CLI

wp plugin delete external-events-calendar

Where can you download earlier versions of External Events Calendar?

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 External Events Calendar 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 External Events Calendar

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 External Events Calendar. Different versions of WordPress could implement the features of this plugin in slightly different ways as well.