wpsnoop: fix Hierarchical Link Categories plugin conflicts, errors & issues

When the plugin Hierarchical Link Categories 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 Hierarchical Link Categories, plus learn which plugins and/or themes could be in conflict with Hierarchical Link Categories.

Troubleshooting theme and plugin conflicts is easier when you know what Hierarchical Link Categories 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 Hierarchical Link Categories

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What does Hierarchical Link Categories version 2.0.1 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for Hierarchical Link Categories to perform differently in your installation, previous versions before 2.0.1 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 2.0.1 of Hierarchical Link Categories 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 Hierarchical Link Categories 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.

Summary of WordPress plugin analysis: Hierarchical Link Categories

Plugin Slug: hierarchical-link-categories Internal ID: 33965 Addon Type: Plugin Version: 2.0.1 Price: Free Source: WordPress.org Files: 10 (388.33kB) Short Codes: [ / ] 0 Database Tables: 0 Function Count: 6 Code Review: Search Provit

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Which new files does Hierarchical Link Categories add to WordPress?

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

The plugin Hierarchical Link Categories added 10 new files when it was installed with WP-CLI in our WordPress test environment.

Type & Path	Size	Conflicts
wp-content/plugins/hierarchical-link-categories/	388.33kB	No known conflicts with other themes or plugins.
wp-content/plugins/hierarchical-link-categories/heirarchical-links.php	8.38kB	No known conflicts with other themes or plugins.
wp-content/plugins/hierarchical-link-categories/license.txt	34.32kB	No known conflicts with other themes or plugins.
wp-content/plugins/hierarchical-link-categories/readme.txt	2.77kB	No known conflicts with other themes or plugins.
wp-content/plugins/hierarchical-link-categories/screenshot-1.jpg	117.10kB	No known conflicts with other themes or plugins.
wp-content/plugins/hierarchical-link-categories/screenshot-2.jpg	81.63kB	No known conflicts with other themes or plugins.
wp-content/plugins/hierarchical-link-categories/screenshot-3.jpg	47.92kB	No known conflicts with other themes or plugins.
wp-content/plugins/hierarchical-link-categories/screenshot-4.jpg	37.85kB	No known conflicts with other themes or plugins.
wp-content/plugins/hierarchical-link-categories/screenshot-5.jpg	50.51kB	No known conflicts with other themes or plugins.
wp-content/plugins/hierarchical-link-categories/widget.php	7.83kB	No known conflicts with other themes or plugins.

Which new shortcodes does Hierarchical Link Categories add to WordPress?

The plugin Hierarchical Link Categories 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 plugin Hierarchical Link Categories?

Hierarchical Link Categories did not create any new database tables when it was installed. It is possible that the plugin 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 Hierarchical Link Categories?

When Hierarchical Link Categories was activated and loaded for the first time it created 2 new options in the wp_options table. Any known conflicts will be shown in red.

Option Name		Known Conflicts
widget_links		Potential conflict with 23 plugins or themes
a:1:{s:12:"_multiwidget";i:1;}
widget_hierarchical-links		The widget_hierarchical-links option doesn't have any known conflicts with other themes or plugins.
a:1:{s:12:"_multiwidget";i:1;}

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

After disabling and deleting Hierarchical Link Categories there were 3 options still present in the wp-options table:

recently_activated
widget_hierarchical-links
widget_links

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What new PHP functions does Hierarchical Link Categories declare when it is active?

Installing Hierarchical Link Categories added 6 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
custom_link_categories_meta_box	0 conflicts	Fatal error: Cannot redeclare custom_link_categories_meta_box()
get_link_category_tree	0 conflicts	Fatal error: Cannot redeclare get_link_category_tree()
hierarchical_link_categories_widget_init	0 conflicts	Fatal error: Cannot redeclare hierarchical_link_categories_widget_init()
link_category_add_form_edit	0 conflicts	Fatal error: Cannot redeclare link_category_add_form_edit()
replace_link_categories_meta_box	0 conflicts	Fatal error: Cannot redeclare replace_link_categories_meta_box()
wp_list_bookmarks_hierarchical	0 conflicts	Fatal error: Cannot redeclare wp_list_bookmarks_hierarchical()

Using Hierarchical Link Categories 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 Hierarchical Link Categories from the command line with WP-CLI

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

wp plugin install hierarchical-link-categories

How to activate Hierarchical Link Categories from the command line with WP-CLI

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

wp plugin install hierarchical-link-categories --activate

How to reinstall Hierarchical Link Categories from the command line with WP-CLI

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

wp plugin install hierarchical-link-categories --force

How to update Hierarchical Link Categories to the latest version from the command line with WP-CLI

wp plugin update hierarchical-link-categories

How to delete Hierarchical Link Categories from the command line with WP-CLI

wp plugin delete hierarchical-link-categories

Where can you download earlier versions of Hierarchical Link Categories?

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 Hierarchical Link Categories 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 Hierarchical Link Categories

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