wpsnoop: fix Substack Importer plugin conflicts, errors & issues

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


Troubleshooting theme and plugin conflicts is easier when you know what Substack Importer 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 Substack Importer

Get professional support for Substack Importer here

When you need professional help with WordPress: get help here


What does Substack Importer version 1.0.4 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for Substack Importer to perform differently in your installation, previous versions before 1.0.4 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 1.0.4 of Substack Importer 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 Substack Importer 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 Substack Importer add to WordPress?

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

Type & Path Size Conflicts
wp-content/plugins/substack-importer/ 121.20kB No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/assets/ 5.55kB No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/assets/icon-256x256.png 5.55kB No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/css/ 655.00B No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/css/index.css 655.00B No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/includes/ 42.46kB No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/includes/class-converter.php 32.54kB No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/includes/class-importer-admin.php 9.91kB No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/js/ 526.00B No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/js/index.js 526.00B No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/partials/ 3.16kB No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/partials/container.php 165.00B No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/partials/pre-import-screen.php 38.00B No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/partials/progress.php 378.00B No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/partials/start-screen.php 2.59kB No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/readme.txt 2.20kB No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/substack-importer.php 1.93kB No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/vendor/ 64.74kB No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/vendor/autoload.php 178.00B No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/vendor/automattic/ 28.85kB No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/vendor/automattic/wxr-generator/ 28.85kB No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/vendor/automattic/wxr-generator/lib/ 27.48kB No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/vendor/automattic/wxr-generator/lib/class-buffer-writer.php 435.00B No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/vendor/automattic/wxr-generator/lib/class-file-writer.php 375.00B No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/vendor/automattic/wxr-generator/lib/class-generator.php 11.17kB No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/vendor/automattic/wxr-generator/lib/class-oxymel.php 5.97kB No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/vendor/automattic/wxr-generator/lib/class-writer-interface.php 165.00B No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/vendor/automattic/wxr-generator/lib/schema.json 9.39kB No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/vendor/automattic/wxr-generator/readme.txt 789.00B No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/vendor/automattic/wxr-generator/wxr-generator.php 616.00B No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/vendor/composer/ 35.72kB No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/vendor/composer/autoload_classmap.php 997.00B No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/vendor/composer/autoload_namespaces.php 149.00B No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/vendor/composer/autoload_psr4.php 143.00B No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/vendor/composer/autoload_real.php 1.80kB No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/vendor/composer/autoload_static.php 1.37kB No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/vendor/composer/ClassLoader.php 14.05kB No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/vendor/composer/installed.json 1.40kB No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/vendor/composer/installed.php 1.19kB No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/vendor/composer/InstalledVersions.php 13.60kB No known conflicts with other themes or plugins.
wp-content/plugins/substack-importer/vendor/composer/LICENSE 1.04kB No known conflicts with other themes or plugins.

Which new shortcodes does Substack Importer add to WordPress?

Which new database tables are created by the WordPress plugin Substack Importer?

Which new options are added to the wp-options table by Substack Importer?

What new PHP functions does Substack Importer declare when it is active?

Using Substack Importer 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 Substack Importer from the command line with WP-CLI

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

wp plugin install substack-importer


How to activate Substack Importer from the command line with WP-CLI

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

wp plugin install substack-importer --activate


How to reinstall Substack Importer from the command line with WP-CLI

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

wp plugin install substack-importer --force


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

wp plugin update substack-importer


How to delete Substack Importer from the command line with WP-CLI

wp plugin delete substack-importer

Where can you download earlier versions of Substack Importer?

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 Substack Importer 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 Substack Importer

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