wpsnoop: fix Surplus Concert theme conflicts, errors & issues

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


Troubleshooting theme and plugin conflicts is easier when you know what Surplus Concert 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 Surplus Concert

Get professional support for Surplus Concert here

When you need professional help with WordPress: get help here


What does Surplus Concert version 1.1.9 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for Surplus Concert to perform differently in your installation, previous versions before 1.1.9 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 1.1.9 of Surplus Concert 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 Surplus Concert 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 Surplus Concert add to WordPress?

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

Type & Path Size Conflicts
wp-content/themes/surplus-concert/ 1.46MB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/404.php 1.32kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/archive.php 1.42kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/assets/ 878.80kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/assets/css/ 75.31kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/assets/css/font-awesome.min.css 30.27kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/assets/css/slick-theme.min.css 2.27kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/assets/css/slick.min.css 1.22kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/assets/css/unminified/ 41.54kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/assets/css/unminified/font-awesome.css 36.55kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/assets/css/unminified/slick-theme.css 3.30kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/assets/css/unminified/slick.css 1.69kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/assets/fonts/ 310.02kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/assets/fonts/fontawesome-webfont.woff 95.73kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/assets/fonts/fontawesome-webfont.woff2 75.35kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/assets/fonts/FontAwesome.otf 131.65kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/assets/fonts/slick.eot 2.00kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/assets/fonts/slick.svg 2.10kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/assets/fonts/slick.ttf 1.85kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/assets/fonts/slick.woff 1.35kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/assets/images/ 353.08kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/assets/images/404-img.jpg 17.90kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/assets/images/ajax-loader.gif 4.08kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/assets/images/banner-image.jpg 255.88kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/assets/images/default-sidebar.png 2.61kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/assets/images/fallback/ 15.60kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/assets/images/fallback/surplus-concert-banner.png 7.23kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/assets/images/fallback/surplus-concert-blog.png 814.00B No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/assets/images/fallback/surplus-concert-slider.png 7.58kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/assets/images/full-width.png 15.27kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/assets/images/left-sidebar.png 454.00B No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/assets/images/no-sidebar.png 564.00B No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/assets/images/right-sidebar.png 500.00B No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/assets/images/svg-icons.svg 40.27kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/assets/js/ 140.38kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/assets/js/jquery.matchHeight.min.js 3.31kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/assets/js/slick.min.js 40.97kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/assets/js/unminified/ 96.10kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/assets/js/unminified/jquery.matchHeight.js 11.88kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/assets/js/unminified/slick.js 84.22kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/comments.php 1.61kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/css/ 14.36kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/css/customize-controls.min.css 969.00B No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/css/metabox-tabs.min.css 5.31kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/css/unminified/ 8.11kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/css/unminified/customize-controls.css 1.17kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/css/unminified/metabox-tabs.css 6.94kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/footer.php 949.00B No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/front-page.php 740.00B No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/functions.php 8.28kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/header.php 1.39kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/inc/ 142.45kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/inc/custom-functions.php 4.10kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/inc/custom-header.php 2.37kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/inc/customizer/ 58.96kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/inc/customizer/about.php 1.65kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/inc/customizer/active-callback.php 4.61kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/inc/customizer/banner-slider.php 13.35kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/inc/customizer/blog.php 1.64kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/inc/customizer/custom-controls/ 2.51kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/inc/customizer/custom-controls/custom-control.php 509.00B No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/inc/customizer/custom-controls/custom-controls-class.php 2.01kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/inc/customizer/customizer.php 3.90kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/inc/customizer/default-options.php 2.91kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/inc/customizer/footer.php 1.68kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/inc/customizer/general-settings.php 2.31kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/inc/customizer/global-sidebar-layout.php 2.41kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/inc/customizer/header-top.php 5.98kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/inc/customizer/layout.php 0.98kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/inc/customizer/panels.php 1.16kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/inc/customizer/sanitize-functions.php 3.61kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/inc/customizer/selective-refresh.php 4.10kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/inc/customizer/site-info.php 1.68kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/inc/customizer/upgrade-to-pro/ 4.49kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/inc/customizer/upgrade-to-pro/class-customize.php 2.24kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/inc/customizer/upgrade-to-pro/customize-controls.css 538.00B No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/inc/customizer/upgrade-to-pro/customize-controls.js 336.00B No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/inc/customizer/upgrade-to-pro/section-pro.php 1.40kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/inc/extras.php 44.64kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/inc/jetpack.php 433.00B No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/inc/metabox.php 8.34kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/inc/template-functions.php 13.11kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/inc/template-tags.php 9.02kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/inc/widgets.php 1.48kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/index.php 1.69kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/js/ 42.92kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/js/custom-accessibility.min.js 8.55kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/js/custom.min.js 1.29kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/js/customize-controls.min.js 2.08kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/js/customizer.min.js 509.00B No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/js/metabox.min.js 78.00B No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/js/navigation.min.js 1.39kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/js/skip-link-focus-fix.min.js 420.00B No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/js/unminified/ 28.63kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/js/unminified/custom-accessibility.js 18.33kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/js/unminified/custom.js 2.22kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/js/unminified/customize-controls.js 3.29kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/js/unminified/customizer.js 1.01kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/js/unminified/metabox.js 78.00B No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/js/unminified/navigation.js 3.00kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/js/unminified/skip-link-focus-fix.js 716.00B No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/languages/ 14.30kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/languages/surplus-concert.pot 14.30kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/page.php 1.50kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/readme.txt 5.06kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/screenshot.png 267.38kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/search.php 1.44kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/searchform.php 744.00B No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/sections/ 6.56kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/sections/about.php 2.59kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/sections/blog.php 3.97kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/sidebar.php 516.00B No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/single.php 1.37kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/style.css 97.36kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/template-parts/ 4.99kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/template-parts/content-none.php 1.43kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/template-parts/content-page.php 1.01kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/template-parts/content-single.php 1.32kB No known conflicts with other themes or plugins.
wp-content/themes/surplus-concert/template-parts/content.php 1.23kB No known conflicts with other themes or plugins.

Which new shortcodes does Surplus Concert add to WordPress?

Which new database tables are created by the WordPress theme Surplus Concert?

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

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
theme_mods_surplus-concert The theme_mods_surplus-concert option doesn't have any known conflicts with other themes or plugins.

During use Surplus Concert 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 Surplus Concert declare when it is active?

Function   Conflicts Common Errors
surplus_concert_author_meta 0 conflicts Fatal error: Cannot redeclare surplus_concert_author_meta()
surplus_concert_banner 0 conflicts Fatal error: Cannot redeclare surplus_concert_banner()
surplus_concert_banner_slider 0 conflicts Fatal error: Cannot redeclare surplus_concert_banner_slider()
surplus_concert_body_classes 0 conflicts Fatal error: Cannot redeclare surplus_concert_body_classes()
surplus_concert_category_list 0 conflicts Fatal error: Cannot redeclare surplus_concert_category_list()
surplus_concert_comment_count 0 conflicts Fatal error: Cannot redeclare surplus_concert_comment_count()
surplus_concert_content_end 0 conflicts Fatal error: Cannot redeclare surplus_concert_content_end()
surplus_concert_content_start 0 conflicts Fatal error: Cannot redeclare surplus_concert_content_start()
surplus_concert_content_width 0 conflicts Fatal error: Cannot redeclare surplus_concert_content_width()
surplus_concert_custom_header_setup 0 conflicts Fatal error: Cannot redeclare surplus_concert_custom_header_setup()
surplus_concert_customize_preview_js 0 conflicts Fatal error: Cannot redeclare surplus_concert_customize_preview_js()
surplus_concert_customize_register 0 conflicts Fatal error: Cannot redeclare surplus_concert_customize_register()
surplus_concert_customizer_control_scripts 0 conflicts Fatal error: Cannot redeclare surplus_concert_customizer_control_scripts()
surplus_concert_default_theme_options 0 conflicts Fatal error: Cannot redeclare surplus_concert_default_theme_options()
surplus_concert_doctype 0 conflicts Fatal error: Cannot redeclare surplus_concert_doctype()
surplus_concert_enqueue_metabox_scripts 0 conflicts Fatal error: Cannot redeclare surplus_concert_enqueue_metabox_scripts()
surplus_concert_excerpt_length 0 conflicts Fatal error: Cannot redeclare surplus_concert_excerpt_length()
surplus_concert_excerpt_more 0 conflicts Fatal error: Cannot redeclare surplus_concert_excerpt_more()
surplus_concert_featured_image_banner 0 conflicts Fatal error: Cannot redeclare surplus_concert_featured_image_banner()
surplus_concert_fonts_url 0 conflicts Fatal error: Cannot redeclare surplus_concert_fonts_url()
surplus_concert_footer_back_to_top 0 conflicts Fatal error: Cannot redeclare surplus_concert_footer_back_to_top()
surplus_concert_footer_end 0 conflicts Fatal error: Cannot redeclare surplus_concert_footer_end()
surplus_concert_footer_sidebar_class 0 conflicts Fatal error: Cannot redeclare surplus_concert_footer_sidebar_class()
surplus_concert_footer_sidebars 0 conflicts Fatal error: Cannot redeclare surplus_concert_footer_sidebars()
surplus_concert_footer_site_info 0 conflicts Fatal error: Cannot redeclare surplus_concert_footer_site_info()
surplus_concert_footer_start 0 conflicts Fatal error: Cannot redeclare surplus_concert_footer_start()
surplus_concert_get_author_bio 0 conflicts Fatal error: Cannot redeclare surplus_concert_get_author_bio()
surplus_concert_get_breadcrumb 0 conflicts Fatal error: Cannot redeclare surplus_concert_get_breadcrumb()
surplus_concert_get_comments 0 conflicts Fatal error: Cannot redeclare surplus_concert_get_comments()
surplus_concert_get_default_category 0 conflicts Fatal error: Cannot redeclare surplus_concert_get_default_category()
surplus_concert_get_entry_content 0 conflicts Fatal error: Cannot redeclare surplus_concert_get_entry_content()
surplus_concert_get_entry_footer 0 conflicts Fatal error: Cannot redeclare surplus_concert_get_entry_footer()
surplus_concert_get_home_sections 0 conflicts Fatal error: Cannot redeclare surplus_concert_get_home_sections()
surplus_concert_get_navigation 0 conflicts Fatal error: Cannot redeclare surplus_concert_get_navigation()
surplus_concert_get_page_title 0 conflicts Fatal error: Cannot redeclare surplus_concert_get_page_title()
surplus_concert_get_post_entry_meta 0 conflicts Fatal error: Cannot redeclare surplus_concert_get_post_entry_meta()
surplus_concert_get_post_thumbnail 0 conflicts Fatal error: Cannot redeclare surplus_concert_get_post_thumbnail()
surplus_concert_get_post_title 0 conflicts Fatal error: Cannot redeclare surplus_concert_get_post_title()
surplus_concert_get_posts 0 conflicts Fatal error: Cannot redeclare surplus_concert_get_posts()
surplus_concert_get_svg 0 conflicts Fatal error: Cannot redeclare surplus_concert_get_svg()
surplus_concert_head 0 conflicts Fatal error: Cannot redeclare surplus_concert_head()
surplus_concert_header 0 conflicts Fatal error: Cannot redeclare surplus_concert_header()
surplus_concert_header_style 0 conflicts Fatal error: Cannot redeclare surplus_concert_header_style()
surplus_concert_include_svg_icons 0 conflicts Fatal error: Cannot redeclare surplus_concert_include_svg_icons()
surplus_concert_is_woocommerce_activated 0 conflicts Fatal error: Cannot redeclare surplus_concert_is_woocommerce_activated()
surplus_concert_navigation_menu 0 conflicts Fatal error: Cannot redeclare surplus_concert_navigation_menu()
surplus_concert_page_end 0 conflicts Fatal error: Cannot redeclare surplus_concert_page_end()
surplus_concert_page_start 0 conflicts Fatal error: Cannot redeclare surplus_concert_page_start()
surplus_concert_pingback_header 0 conflicts Fatal error: Cannot redeclare surplus_concert_pingback_header()
surplus_concert_posted_by 0 conflicts Fatal error: Cannot redeclare surplus_concert_posted_by()
surplus_concert_posted_on 0 conflicts Fatal error: Cannot redeclare surplus_concert_posted_on()
surplus_concert_primary_navigation_fallback 0 conflicts Fatal error: Cannot redeclare surplus_concert_primary_navigation_fallback()
surplus_concert_register_sidebars 0 conflicts Fatal error: Cannot redeclare surplus_concert_register_sidebars()
surplus_concert_render_social_links 0 conflicts Fatal error: Cannot redeclare surplus_concert_render_social_links()
surplus_concert_scripts 0 conflicts Fatal error: Cannot redeclare surplus_concert_scripts()
surplus_concert_setup 0 conflicts Fatal error: Cannot redeclare surplus_concert_setup()
surplus_concert_sidebar_layout 0 conflicts Fatal error: Cannot redeclare surplus_concert_sidebar_layout()
surplus_concert_site_branding 0 conflicts Fatal error: Cannot redeclare surplus_concert_site_branding()
surplus_concert_slider 0 conflicts Fatal error: Cannot redeclare surplus_concert_slider()
surplus_concert_slider_effect 0 conflicts Fatal error: Cannot redeclare surplus_concert_slider_effect()
surplus_concert_slider_image_instruction 0 conflicts Fatal error: Cannot redeclare surplus_concert_slider_image_instruction()
surplus_concert_slider_transition_duration 0 conflicts Fatal error: Cannot redeclare surplus_concert_slider_transition_duration()
surplus_concert_the_excerpt 0 conflicts Fatal error: Cannot redeclare surplus_concert_the_excerpt()
surplus_concert_top_header 0 conflicts Fatal error: Cannot redeclare surplus_concert_top_header()
surplus_concert_video_controls 0 conflicts Fatal error: Cannot redeclare surplus_concert_video_controls()

Using Surplus Concert 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 Surplus Concert from the command line with WP-CLI

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

wp theme install surplus-concert


How to activate Surplus Concert from the command line with WP-CLI

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

wp theme install surplus-concert --activate


How to reinstall Surplus Concert from the command line with WP-CLI

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

wp theme install surplus-concert --force


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

wp theme update surplus-concert


How to delete Surplus Concert from the command line with WP-CLI

wp theme delete surplus-concert --force

Where can you download earlier versions of Surplus Concert?

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 Surplus Concert 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 Surplus Concert

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