wpsnoop: fix Core theme conflicts, errors & issues

When the theme Core 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 Core, plus learn which plugins and/or themes could be in conflict with Core.


Troubleshooting theme and plugin conflicts is easier when you know what Core 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 Core

Get professional support for Core here

When you need professional help with WordPress: get help here


What does Core version 1.0 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for Core to perform differently in your installation, previous versions before 1.0 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 of Core behaves when installed and removed on a clean installation of WordPress.

We have not tested individual shortcodes, features or settings of this theme 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 Core by clicking here.

Our testing covered the free version of this theme 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 Core add to WordPress?

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

Type & Path Size Conflicts
wp-content/themes/core/ 583.26kB No known conflicts with other themes or plugins.
wp-content/themes/core/404.php 677.00B No known conflicts with other themes or plugins.
wp-content/themes/core/archive.php 1.78kB No known conflicts with other themes or plugins.
wp-content/themes/core/author.php 1.78kB No known conflicts with other themes or plugins.
wp-content/themes/core/breadcrumb.php 91.00B No known conflicts with other themes or plugins.
wp-content/themes/core/comments.php 4.30kB No known conflicts with other themes or plugins.
wp-content/themes/core/footer.php 1.36kB No known conflicts with other themes or plugins.
wp-content/themes/core/functions.php 3.72kB No known conflicts with other themes or plugins.
wp-content/themes/core/header.php 3.87kB No known conflicts with other themes or plugins.
wp-content/themes/core/images/ 366.96kB No known conflicts with other themes or plugins.
wp-content/themes/core/images/arrow_footer.png 383.00B No known conflicts with other themes or plugins.
wp-content/themes/core/images/arrow.png 225.00B No known conflicts with other themes or plugins.
wp-content/themes/core/images/enews.png 5.15kB No known conflicts with other themes or plugins.
wp-content/themes/core/images/favicon.ico 5.30kB No known conflicts with other themes or plugins.
wp-content/themes/core/images/footer.png 2.78kB No known conflicts with other themes or plugins.
wp-content/themes/core/images/header.png 2.78kB No known conflicts with other themes or plugins.
wp-content/themes/core/images/icon_comments.png 670.00B No known conflicts with other themes or plugins.
wp-content/themes/core/images/icon_tags.png 924.00B No known conflicts with other themes or plugins.
wp-content/themes/core/images/icon_time.png 644.00B No known conflicts with other themes or plugins.
wp-content/themes/core/images/logo.png 4.06kB No known conflicts with other themes or plugins.
wp-content/themes/core/images/nav.png 2.77kB No known conflicts with other themes or plugins.
wp-content/themes/core/images/navhov.png 2.77kB No known conflicts with other themes or plugins.
wp-content/themes/core/images/psds/ 333.46kB No known conflicts with other themes or plugins.
wp-content/themes/core/images/psds/enews.psd 33.37kB No known conflicts with other themes or plugins.
wp-content/themes/core/images/psds/footer.psd 26.05kB No known conflicts with other themes or plugins.
wp-content/themes/core/images/psds/header.psd 24.79kB No known conflicts with other themes or plugins.
wp-content/themes/core/images/psds/logo.psd 169.28kB No known conflicts with other themes or plugins.
wp-content/themes/core/images/psds/nav.psd 23.36kB No known conflicts with other themes or plugins.
wp-content/themes/core/images/psds/navhov.psd 24.65kB No known conflicts with other themes or plugins.
wp-content/themes/core/images/psds/twitter.psd 31.95kB No known conflicts with other themes or plugins.
wp-content/themes/core/images/rss_footer.png 472.00B No known conflicts with other themes or plugins.
wp-content/themes/core/images/rss.png 532.00B No known conflicts with other themes or plugins.
wp-content/themes/core/images/twitter.png 4.12kB No known conflicts with other themes or plugins.
wp-content/themes/core/index.php 1.78kB No known conflicts with other themes or plugins.
wp-content/themes/core/languages/ 9.02kB No known conflicts with other themes or plugins.
wp-content/themes/core/languages/core_blog_10.pot 9.02kB No known conflicts with other themes or plugins.
wp-content/themes/core/legacy.comments.php 5.13kB No known conflicts with other themes or plugins.
wp-content/themes/core/page_archive.php 1.67kB No known conflicts with other themes or plugins.
wp-content/themes/core/page_full.php 739.00B No known conflicts with other themes or plugins.
wp-content/themes/core/page.php 985.00B No known conflicts with other themes or plugins.
wp-content/themes/core/README.txt 779.00B No known conflicts with other themes or plugins.
wp-content/themes/core/screenshot.png 24.21kB No known conflicts with other themes or plugins.
wp-content/themes/core/search.php 1.78kB No known conflicts with other themes or plugins.
wp-content/themes/core/sidebar_alt.php 1.14kB No known conflicts with other themes or plugins.
wp-content/themes/core/sidebar.php 2.67kB No known conflicts with other themes or plugins.
wp-content/themes/core/single.php 2.49kB No known conflicts with other themes or plugins.
wp-content/themes/core/style.css 23.36kB No known conflicts with other themes or plugins.
wp-content/themes/core/tag.php 1.78kB No known conflicts with other themes or plugins.
wp-content/themes/core/tools/ 121.25kB No known conflicts with other themes or plugins.
wp-content/themes/core/tools/breadcrumbs.php 4.17kB No known conflicts with other themes or plugins.
wp-content/themes/core/tools/enews.php 2.67kB No known conflicts with other themes or plugins.
wp-content/themes/core/tools/js/ 910.00B No known conflicts with other themes or plugins.
wp-content/themes/core/tools/js/dropdown.js 910.00B No known conflicts with other themes or plugins.
wp-content/themes/core/tools/theme-options.php 7.02kB No known conflicts with other themes or plugins.
wp-content/themes/core/tools/twitter.php 2.32kB No known conflicts with other themes or plugins.
wp-content/themes/core/tools/write-panel.php 4.01kB No known conflicts with other themes or plugins.
wp-content/themes/core/tools/xml/ 100.16kB No known conflicts with other themes or plugins.
wp-content/themes/core/tools/xml/core_blog.xml 100.16kB No known conflicts with other themes or plugins.

Which new shortcodes does Core add to WordPress?

Which new database tables are created by the WordPress theme Core?

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

Option Name   Known Conflicts
current_theme Potential conflict with 8753 plugins or themes
theme_mods_twentytwentytwo Potential conflict with 8767 plugins or themes
theme_switched Potential conflict with 8753 plugins or themes
mods_Core The mods_Core option doesn't have any known conflicts with other themes or plugins.
theme_mods_core The theme_mods_core option doesn't have any known conflicts with other themes or plugins.
widget_enews The widget_enews option doesn't have any known conflicts with other themes or plugins.
widget_my-tweets-widget The widget_my-tweets-widget option doesn't have any known conflicts with other themes or plugins.

During use Core may or may not create more options depending on how the theme is configured and depending on which other themes and plugins are active in your specific hosting environment.

What new PHP functions does Core declare when it is active?

Using Core 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 Core from the command line with WP-CLI

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

wp theme install core


How to activate Core from the command line with WP-CLI

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

wp theme install core --activate


How to reinstall Core from the command line with WP-CLI

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

wp theme install core --force


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

wp theme update core


How to delete Core from the command line with WP-CLI

wp theme delete core --force

Where can you download earlier versions of Core?

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 Core 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 Core

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