wpsnoop: fix Side Matter plugin conflicts, errors & issues

When the plugin Side Matter 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 Side Matter, plus learn which plugins and/or themes could be in conflict with Side Matter.


Troubleshooting theme and plugin conflicts is easier when you know what Side Matter 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 Side Matter

Get professional support for Side Matter here

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What does Side Matter version 1.4 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for Side Matter to perform differently in your installation, previous versions before 1.4 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 1.4 of Side Matter 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 Side Matter 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 Side Matter add to WordPress?

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

Type & Path Size Conflicts
wp-content/plugins/side-matter/ 49.89kB No known conflicts with other themes or plugins.
wp-content/plugins/side-matter/css/ 1.76kB No known conflicts with other themes or plugins.
wp-content/plugins/side-matter/css/side-matter-admin.css 1.08kB No known conflicts with other themes or plugins.
wp-content/plugins/side-matter/css/side-matter.css 692.00B No known conflicts with other themes or plugins.
wp-content/plugins/side-matter/js/ 7.15kB No known conflicts with other themes or plugins.
wp-content/plugins/side-matter/js/side-matter-admin.js 4.81kB No known conflicts with other themes or plugins.
wp-content/plugins/side-matter/js/side-matter.js 2.34kB No known conflicts with other themes or plugins.
wp-content/plugins/side-matter/languages/ 3.54kB No known conflicts with other themes or plugins.
wp-content/plugins/side-matter/languages/side-matter.pot 3.54kB No known conflicts with other themes or plugins.
wp-content/plugins/side-matter/readme.txt 10.76kB No known conflicts with other themes or plugins.
wp-content/plugins/side-matter/side-matter.php 26.26kB No known conflicts with other themes or plugins.
wp-content/plugins/side-matter/uninstall.php 432.00B No known conflicts with other themes or plugins.

Which new shortcodes does Side Matter add to WordPress?

ShortCode   Known Plugin or Theme conflicts
[ref] The ref shortcode has potential conflicts with at least 4 other plugins or themes.

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 Side Matter?

Which new options are added to the wp-options table by Side Matter?

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

During use Side Matter 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 Side Matter declare when it is active?

Using Side Matter 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 Side Matter from the command line with WP-CLI

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

wp plugin install side-matter


How to activate Side Matter from the command line with WP-CLI

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

wp plugin install side-matter --activate


How to reinstall Side Matter from the command line with WP-CLI

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

wp plugin install side-matter --force


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

wp plugin update side-matter


How to delete Side Matter from the command line with WP-CLI

wp plugin delete side-matter

Where can you download earlier versions of Side Matter?

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 Side Matter 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 Side Matter

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 Side Matter. Different versions of WordPress could implement the features of this plugin in slightly different ways as well.