wpsnoop: fix Underline theme conflicts, errors & issues

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

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

Get professional support for Underline here

When you need professional help with WordPress: get help here

What does Underline version 1.0.4 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for Underline 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 Underline 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 Underline 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.

Summary of WordPress theme analysis: Underline

Theme Slug: underline Internal ID: 147205 Addon Type: > Theme Version: 1.0.4 Price: Free Source: WordPress.org Files: 38 (274.83kB) Short Codes: [ / ] 0 Database Tables: 0 Function Count: 15

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Which new files does Underline add to WordPress?

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

The theme Underline added 38 new files when it was installed with WP-CLI in our WordPress test environment.

Type & Path	Size	Conflicts
wp-content/themes/underline/	274.83kB	No known conflicts with other themes or plugins.
wp-content/themes/underline/404.php	0.98kB	No known conflicts with other themes or plugins.
wp-content/themes/underline/archive.php	39.00B	No known conflicts with other themes or plugins.
wp-content/themes/underline/author.php	39.00B	No known conflicts with other themes or plugins.
wp-content/themes/underline/category.php	39.00B	No known conflicts with other themes or plugins.
wp-content/themes/underline/comments.php	2.87kB	No known conflicts with other themes or plugins.
wp-content/themes/underline/contact.php	2.63kB	No known conflicts with other themes or plugins.
wp-content/themes/underline/content-contact.php	1.06kB	No known conflicts with other themes or plugins.
wp-content/themes/underline/content-fullwidth.php	783.00B	No known conflicts with other themes or plugins.
wp-content/themes/underline/content-none.php	589.00B	No known conflicts with other themes or plugins.
wp-content/themes/underline/content.php	1.95kB	No known conflicts with other themes or plugins.
wp-content/themes/underline/css/	45.55kB	No known conflicts with other themes or plugins.
wp-content/themes/underline/css/main.css	20.77kB	No known conflicts with other themes or plugins.
wp-content/themes/underline/css/main.min.css	15.44kB	No known conflicts with other themes or plugins.
wp-content/themes/underline/css/normalize.css	9.33kB	No known conflicts with other themes or plugins.
wp-content/themes/underline/footer.php	1.02kB	No known conflicts with other themes or plugins.
wp-content/themes/underline/fullwidth-page.php	1.10kB	No known conflicts with other themes or plugins.
wp-content/themes/underline/functions.php	22.36kB	No known conflicts with other themes or plugins.
wp-content/themes/underline/header.php	2.00kB	No known conflicts with other themes or plugins.
wp-content/themes/underline/inc/	5.62kB	No known conflicts with other themes or plugins.
wp-content/themes/underline/inc/widgets.php	5.62kB	No known conflicts with other themes or plugins.
wp-content/themes/underline/index.php	39.00B	No known conflicts with other themes or plugins.
wp-content/themes/underline/js/	3.38kB	No known conflicts with other themes or plugins.
wp-content/themes/underline/js/main.js	2.14kB	No known conflicts with other themes or plugins.
wp-content/themes/underline/js/main.min.js	1.23kB	No known conflicts with other themes or plugins.
wp-content/themes/underline/landing-page.php	1.16kB	No known conflicts with other themes or plugins.
wp-content/themes/underline/languages/	6.38kB	No known conflicts with other themes or plugins.
wp-content/themes/underline/languages/underline.pot	6.38kB	No known conflicts with other themes or plugins.
wp-content/themes/underline/page.php	848.00B	No known conflicts with other themes or plugins.
wp-content/themes/underline/readme.txt	1.01kB	No known conflicts with other themes or plugins.
wp-content/themes/underline/rtl.css	4.69kB	No known conflicts with other themes or plugins.
wp-content/themes/underline/screenshot.png	164.04kB	No known conflicts with other themes or plugins.
wp-content/themes/underline/search.php	39.00B	No known conflicts with other themes or plugins.
wp-content/themes/underline/searchform.php	266.00B	No known conflicts with other themes or plugins.
wp-content/themes/underline/shared.php	0.98kB	No known conflicts with other themes or plugins.
wp-content/themes/underline/sidebar.php	602.00B	No known conflicts with other themes or plugins.
wp-content/themes/underline/single.php	1.38kB	No known conflicts with other themes or plugins.
wp-content/themes/underline/style.css	1.44kB	No known conflicts with other themes or plugins.

Which new shortcodes does Underline add to WordPress?

The theme Underline did not add any shortcodes when it was installed with WP-CLI in our WordPress test environment.

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

Underline did not create any new database tables when it was installed. It is possible that the theme creates new database tables after an initial setup or configuration or after some period of use.

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

When Underline was activated and loaded for the first time it created 6 new options in the wp_options table. Any known conflicts will be shown in red.

Option Name		Known Conflicts
current_theme		Potential conflict with 8753 plugins or themes
Underline
theme_mods_twentytwentytwo		Potential conflict with 8767 plugins or themes
a:1:{s:16:"sidebars_widgets";a:2:{s:4:"time";i:1645498207;s:4:"data";a:3:{s:19:"wp_inactive_widgets";a:0:{}s:9:"sidebar-1";a:3:{i:0;s:7:"block-2";i:1;s:7:"block-3";i:2;s:7:"block-4";}s:9:"sidebar-2";a:2:{i:0;s:7:"block-5";i:1;s:7:"block-6";}}}}
theme_switched		Potential conflict with 8753 plugins or themes
(empty string)
theme_mods_underline		The theme_mods_underline option doesn't have any known conflicts with other themes or plugins.
a:1:{s:18:"nav_menu_locations";a:0:{}}
widget_underline-random-posts		The widget_underline-random-posts option doesn't have any known conflicts with other themes or plugins.
a:1:{s:12:"_multiwidget";i:1;}
widget_underline-related-posts		The widget_underline-related-posts option doesn't have any known conflicts with other themes or plugins.
a:1:{s:12:"_multiwidget";i:1;}

During use Underline 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.

After disabling and deleting Underline there were 6 options still present in the wp-options table:

current_theme
theme_mods_twentytwentytwo
theme_mods_underline
theme_switched
widget_underline-random-posts
widget_underline-related-posts

Contact Underline experts for help

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

Installing Underline added 15 new functions to Wordpress at run-time. These functions are internal and generally aren't meant to be used except by developpers who wish to interface with the plugin to enhance or alter its behavior.

Function	Conflicts	Common Errors
underline_archive_meta	0 conflicts	Fatal error: Cannot redeclare underline_archive_meta()
underline_author_box	0 conflicts	Fatal error: Cannot redeclare underline_author_box()
underline_breadcrumbs	0 conflicts	Fatal error: Cannot redeclare underline_breadcrumbs()
underline_comment_callback	0 conflicts	Fatal error: Cannot redeclare underline_comment_callback()
underline_frontend_scripts_styles	0 conflicts	Fatal error: Cannot redeclare underline_frontend_scripts_styles()
underline_more_link	0 conflicts	Fatal error: Cannot redeclare underline_more_link()
underline_next_paging_nav	0 conflicts	Fatal error: Cannot redeclare underline_next_paging_nav()
underline_number_paging_nav	0 conflicts	Fatal error: Cannot redeclare underline_number_paging_nav()
underline_paging_nav	0 conflicts	Fatal error: Cannot redeclare underline_paging_nav()
underline_post_nav	0 conflicts	Fatal error: Cannot redeclare underline_post_nav()
underline_remove_hatom_class	0 conflicts	Fatal error: Cannot redeclare underline_remove_hatom_class()
underline_send_message	0 conflicts	Fatal error: Cannot redeclare underline_send_message()
underline_setup	0 conflicts	Fatal error: Cannot redeclare underline_setup()
underline_widgets_init	0 conflicts	Fatal error: Cannot redeclare underline_widgets_init()
underline_wp_link_pages	0 conflicts	Fatal error: Cannot redeclare underline_wp_link_pages()

Using Underline 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 Underline from the command line with WP-CLI

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

wp theme install underline

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

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

wp theme install underline --activate

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

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

wp theme install underline --force

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

wp theme update underline

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

wp theme delete underline --force

Where can you download earlier versions of Underline?

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 Underline 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 Underline

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