wpsnoop: fix Mail Subscribe List plugin conflicts, errors & issues

When the plugin Mail Subscribe List 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 Mail Subscribe List, plus learn which plugins and/or themes could be in conflict with Mail Subscribe List.

Troubleshooting theme and plugin conflicts is easier when you know what Mail Subscribe List 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 Mail Subscribe List

Database Issues

ShortCode Issues

Function Issues

File System Issues

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What does Mail Subscribe List version 2.1.3 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for Mail Subscribe List to perform differently in your installation, previous versions before 2.1.3 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 2.1.3 of Mail Subscribe List 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 Mail Subscribe List 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: Mail Subscribe List

Plugin Slug: mail-subscribe-list Internal ID: 42834 Addon Type: Plugin Version: 2.1.3 Price: Free Source: WordPress.org Files: 7 (35.52kB) Short Codes: [ / ] 1 Database Tables: 1 Function Count: 7 Code Review: Search Provit

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Which new files does Mail Subscribe List add to WordPress?

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

The plugin Mail Subscribe List added 7 new files when it was installed with WP-CLI in our WordPress test environment.

Type & Path	Size	Conflicts
wp-content/plugins/mail-subscribe-list/	35.52kB	No known conflicts with other themes or plugins.
wp-content/plugins/mail-subscribe-list/export-csv.php	1.21kB	No known conflicts with other themes or plugins.
wp-content/plugins/mail-subscribe-list/index.php	8.41kB	No known conflicts with other themes or plugins.
wp-content/plugins/mail-subscribe-list/readme.txt	6.48kB	No known conflicts with other themes or plugins.
wp-content/plugins/mail-subscribe-list/sml-admin-icon.png	350.00B	No known conflicts with other themes or plugins.
wp-content/plugins/mail-subscribe-list/sml.php	11.59kB	No known conflicts with other themes or plugins.
wp-content/plugins/mail-subscribe-list/webfwdlogo.png	7.50kB	No known conflicts with other themes or plugins.

Which new shortcodes does Mail Subscribe List add to WordPress?

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

ShortCode		Known Plugin or Theme conflicts
[smlsubform]		The smlsubform 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 Mail Subscribe List?

Mail Subscribe List created 1 new database table when it was installed in our test environment:

Table name	Known Plugin or Theme conflicts
wp_sml	The wp_sml table doesn't have any known conflicts with other themes or plugins.

After uninstalling and deleting Mail Subscribe List using WP-CLI there were 1 database table that still remained:

Table name	Status
wp_sml	Orphan/Zombie

Click the table name above for more information on what the orphan table 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 Mail Subscribe List?

None. There may be settings which have been changed by installing the Mail Subscribe List plugin however we do not yet track those changes.

What new PHP functions does Mail Subscribe List declare when it is active?

Installing Mail Subscribe List added 7 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
plugin_get_version	20 conflicts	Fatal error: Cannot redeclare plugin_get_version()
register_sml_menu	0 conflicts	Fatal error: Cannot redeclare register_sml_menu()
sml_install	0 conflicts	Fatal error: Cannot redeclare sml_install()
sml_subscribe_widget_control	0 conflicts	Fatal error: Cannot redeclare sml_subscribe_widget_control()
sml_subscribe_widget_display	0 conflicts	Fatal error: Cannot redeclare sml_subscribe_widget_display()
sml_uninstall	0 conflicts	Fatal error: Cannot redeclare sml_uninstall()
smlsubform	0 conflicts	Fatal error: Cannot redeclare smlsubform()

Using Mail Subscribe List 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 Mail Subscribe List from the command line with WP-CLI

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

wp plugin install mail-subscribe-list

How to activate Mail Subscribe List from the command line with WP-CLI

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

wp plugin install mail-subscribe-list --activate

How to reinstall Mail Subscribe List from the command line with WP-CLI

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

wp plugin install mail-subscribe-list --force

How to update Mail Subscribe List to the latest version from the command line with WP-CLI

wp plugin update mail-subscribe-list

How to delete Mail Subscribe List from the command line with WP-CLI

wp plugin delete mail-subscribe-list

Where can you download earlier versions of Mail Subscribe List?

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 Mail Subscribe List 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 Mail Subscribe List

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 Mail Subscribe List. Different versions of WordPress could implement the features of this plugin in slightly different ways as well.