wpsnoop: fix WP REST Cache plugin conflicts, errors & issues

When the plugin WP REST Cache 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 WP REST Cache, plus learn which plugins and/or themes could be in conflict with WP REST Cache.


Troubleshooting theme and plugin conflicts is easier when you know what WP REST Cache 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 WP REST Cache

Get professional support for WP REST Cache here

When you need professional help with WordPress: get help here


What does WP REST Cache version 2021.4.1 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for WP REST Cache to perform differently in your installation, previous versions before 2021.4.1 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 2021.4.1 of WP REST Cache 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 WP REST Cache 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 WP REST Cache add to WordPress?

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

Type & Path Size Conflicts
wp-content/mu-plugins/ 1.07kB The wp-content/mu-plugins/ directory has potential conflicts with at least 37 other plugins or themes.
wp-content/mu-plugins/wp-rest-cache.php 1.07kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/ 176.45kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/admin/ 71.34kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/admin/class-admin.php 12.09kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/admin/css/ 34.48kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/admin/css/jquery-ui.css 34.39kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/admin/css/wp-rest-cache-admin.css 96.00B No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/admin/includes/ 8.99kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/admin/includes/class-api-caches-table.php 8.99kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/admin/partials/ 15.78kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/admin/partials/caches-table.php 818.00B No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/admin/partials/header.php 1.04kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/admin/partials/sub-cache-details.php 4.18kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/admin/partials/sub-clear-cache.php 2.89kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/admin/partials/sub-endpoint-api.php 367.00B No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/admin/partials/sub-settings.php 6.51kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/deprecated/ 1.29kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/deprecated/class-wp-rest-cache-endpoint-api.php 1.29kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/includes/ 82.07kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/includes/api/ 22.13kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/includes/api/class-endpoint-api.php 19.00kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/includes/api/class-item-api.php 3.13kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/includes/caching/ 41.15kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/includes/caching/class-caching.php 41.15kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/includes/class-activator.php 2.69kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/includes/class-autoloader.php 1.84kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/includes/class-deactivator.php 1.27kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/includes/class-i18n.php 925.00B No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/includes/class-plugin.php 6.86kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/includes/cli/ 2.55kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/includes/cli/class-flush-command.php 2.55kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/includes/controller/ 2.67kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/includes/controller/class-attachment-controller.php 566.00B No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/includes/controller/class-post-controller.php 570.00B No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/includes/controller/class-term-controller.php 560.00B No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/includes/controller/trait-controller.php 1.01kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/languages/ 6.58kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/languages/wp-rest-cache.pot 6.58kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/readme.txt 12.47kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/sources/ 1.07kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/sources/wp-rest-cache.php 1.07kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/uninstall.php 250.00B No known conflicts with other themes or plugins.
wp-content/plugins/wp-rest-cache/wp-rest-cache.php 1.38kB No known conflicts with other themes or plugins.

Which new shortcodes does WP REST Cache add to WordPress?

Which new database tables are created by the WordPress plugin WP REST Cache?

Which new options are added to the wp-options table by WP REST Cache?

What new PHP functions does WP REST Cache declare when it is active?

Using WP REST Cache 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 WP REST Cache from the command line with WP-CLI

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

wp plugin install wp-rest-cache


How to activate WP REST Cache from the command line with WP-CLI

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

wp plugin install wp-rest-cache --activate


How to reinstall WP REST Cache from the command line with WP-CLI

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

wp plugin install wp-rest-cache --force


How to update WP REST Cache to the latest version from the command line with WP-CLI

wp plugin update wp-rest-cache


How to delete WP REST Cache from the command line with WP-CLI

wp plugin delete wp-rest-cache

Where can you download earlier versions of WP REST Cache?

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 WP REST Cache 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 WP REST Cache

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 WP REST Cache. Different versions of WordPress could implement the features of this plugin in slightly different ways as well.