wpsnoop: fix Author Change Notifier plugin conflicts, errors & issues

When the plugin Author Change Notifier 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 Author Change Notifier, plus learn which plugins and/or themes could be in conflict with Author Change Notifier.

Troubleshooting theme and plugin conflicts is easier when you know what Author Change Notifier 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 Author Change Notifier

Database Issues

ShortCode Issues

Function Issues

File System Issues

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What does Author Change Notifier version 1.0.1 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for Author Change Notifier to perform differently in your installation, previous versions before 1.0.1 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 1.0.1 of Author Change Notifier 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 Author Change Notifier 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: Author Change Notifier

Plugin Slug: author-change-notifier Internal ID: 5687 Addon Type: Plugin Version: 1.0.1 Price: Free Source: WordPress.org Files: 5 (54.68kB) Short Codes: [ / ] 0 Database Tables: 0 Function Count: 11 Code Review: Search Provit

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Which new files does Author Change Notifier add to WordPress?

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

The plugin Author Change Notifier added 5 new files when it was installed with WP-CLI in our WordPress test environment.

Type & Path	Size	Conflicts
wp-content/plugins/author-change-notifier/	54.68kB	No known conflicts with other themes or plugins.
wp-content/plugins/author-change-notifier/acn_emailer.php	2.46kB	No known conflicts with other themes or plugins.
wp-content/plugins/author-change-notifier/author_change_notifier.php	12.27kB	No known conflicts with other themes or plugins.
wp-content/plugins/author-change-notifier/readme.txt	2.49kB	No known conflicts with other themes or plugins.
wp-content/plugins/author-change-notifier/screenshot-1.jpg	37.46kB	No known conflicts with other themes or plugins.

Which new shortcodes does Author Change Notifier add to WordPress?

The plugin Author Change Notifier did not add any shortcodes when it was installed with WP-CLI in our WordPress test environment.

Which new database tables are created by the WordPress plugin Author Change Notifier?

Author Change Notifier did not create any new database tables when it was installed. It is possible that the plugin creates new database tables after an initial setup or configuration or after some period of use.

Which new options are added to the wp-options table by Author Change Notifier?

When Author Change Notifier was activated and loaded for the first time it created 6 new options in the wp_options table. Any known conflicts will be shown in red.

Option Name		Known Conflicts
acn_email_from		The acn_email_from option doesn't have any known conflicts with other themes or plugins.
evileric+wpsnoop@gmail.com
acn_ex_author_msg		The acn_ex_author_msg option doesn't have any known conflicts with other themes or plugins.
Dear %ex_author_login%, This is to inform you that your post (%post_title%) has been claimed by another user. The ability to update or delete the post has also been transfered to that user. This decision has been made after the other user has shown substantial evidence of his ownership of the business referred to in that post of concern. You do not have to reply to this e-mail and thanks for your understanding. Best Regards, WPTestSite Team
acn_ex_author_subject		The acn_ex_author_subject option doesn't have any known conflicts with other themes or plugins.
Important notification
acn_new_author_msg		The acn_new_author_msg option doesn't have any known conflicts with other themes or plugins.
Dear %new_author_login%, This is to inform you that the team at e5ta9er.com has authorized your claim of the post (%post_title%) and that the right to update the post (%post_title%) has been transferred to your account. To view that post please go to: http://testing.local/?p=%post_id% Kind Regards, WPTestSite Team
acn_new_author_subject		The acn_new_author_subject option doesn't have any known conflicts with other themes or plugins.
Important notification
acn_sender_name		The acn_sender_name option doesn't have any known conflicts with other themes or plugins.
WPTestSite

During use Author Change Notifier 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 Author Change Notifier there were 7 options still present in the wp-options table:

acn_email_from
acn_ex_author_msg
acn_ex_author_subject
acn_new_author_msg
acn_new_author_subject
acn_sender_name
recently_activated

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What new PHP functions does Author Change Notifier declare when it is active?

Installing Author Change Notifier added 11 new functions 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
validate_email	5 conflicts	Fatal error: Cannot redeclare validate_email()
validate_name	1 conflict	Fatal error: Cannot redeclare validate_name()
acn_plugin_activate	0 conflicts	Fatal error: Cannot redeclare acn_plugin_activate()
acn_show_admin_page	0 conflicts	Fatal error: Cannot redeclare acn_show_admin_page()
acn_show_error_message	0 conflicts	Fatal error: Cannot redeclare acn_show_error_message()
add_acn_settings_link	0 conflicts	Fatal error: Cannot redeclare add_acn_settings_link()
add_plugin_menu	0 conflicts	Fatal error: Cannot redeclare add_plugin_menu()
check_if_author_changed	0 conflicts	Fatal error: Cannot redeclare check_if_author_changed()
register_acn_settings	0 conflicts	Fatal error: Cannot redeclare register_acn_settings()
validate_email_subject	0 conflicts	Fatal error: Cannot redeclare validate_email_subject()
validate_email_text	0 conflicts	Fatal error: Cannot redeclare validate_email_text()

Using Author Change Notifier 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 Author Change Notifier from the command line with WP-CLI

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

wp plugin install author-change-notifier

How to activate Author Change Notifier from the command line with WP-CLI

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

wp plugin install author-change-notifier --activate

How to reinstall Author Change Notifier from the command line with WP-CLI

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

wp plugin install author-change-notifier --force

How to update Author Change Notifier to the latest version from the command line with WP-CLI

wp plugin update author-change-notifier

How to delete Author Change Notifier from the command line with WP-CLI

wp plugin delete author-change-notifier

Where can you download earlier versions of Author Change Notifier?

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 Author Change Notifier 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 Author Change Notifier

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 Author Change Notifier. Different versions of WordPress could implement the features of this plugin in slightly different ways as well.