wpsnoop: fix 404 Simple Redirect plugin conflicts, errors & issues

When the plugin 404 Simple Redirect 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 404 Simple Redirect, plus learn which plugins and/or themes could be in conflict with 404 Simple Redirect.

Troubleshooting theme and plugin conflicts is easier when you know what 404 Simple Redirect 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 404 Simple Redirect

Database Issues

ShortCode Issues

Function Issues

File System Issues

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What does 404 Simple Redirect version 1.2 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for 404 Simple Redirect to perform differently in your installation, previous versions before 1.2 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 1.2 of 404 Simple Redirect 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 404 Simple Redirect 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: 404 Simple Redirect

Plugin Slug: 404-simple-redirect Internal ID: 260 Addon Type: Plugin Version: 1.2 Price: Free Source: WordPress.org Files: 6 (7.10kB) Short Codes: [ / ] 0 Database Tables: 0 Function Count: 8 Code Review: Search Provit

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Which new files does 404 Simple Redirect add to WordPress?

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

The plugin 404 Simple Redirect added 6 new files when it was installed with WP-CLI in our WordPress test environment.

Type & Path	Size	Conflicts
wp-content/plugins/404-simple-redirect/	7.10kB	No known conflicts with other themes or plugins.
wp-content/plugins/404-simple-redirect/404-simple-redirect.php	3.61kB	No known conflicts with other themes or plugins.
wp-content/plugins/404-simple-redirect/lang/	1.67kB	No known conflicts with other themes or plugins.
wp-content/plugins/404-simple-redirect/lang/fzf.mo	450.00B	No known conflicts with other themes or plugins.
wp-content/plugins/404-simple-redirect/lang/fzf.po	1.23kB	No known conflicts with other themes or plugins.
wp-content/plugins/404-simple-redirect/readme.txt	1.82kB	No known conflicts with other themes or plugins.

Which new shortcodes does 404 Simple Redirect add to WordPress?

The plugin 404 Simple Redirect 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 404 Simple Redirect?

404 Simple Redirect 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 404 Simple Redirect?

None. There may be settings which have been changed by installing the 404 Simple Redirect plugin however we do not yet track those changes.

What new PHP functions does 404 Simple Redirect declare when it is active?

Installing 404 Simple Redirect added 8 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
add_settings_link	32 conflicts	Fatal error: Cannot redeclare add_settings_link()
determine_if_fourzerofour	0 conflicts	Fatal error: Cannot redeclare determine_if_fourzerofour()
fourzerofour_add_menu	0 conflicts	Fatal error: Cannot redeclare fourzerofour_add_menu()
fourzerofour_options_validate	0 conflicts	Fatal error: Cannot redeclare fourzerofour_options_validate()
fourzerofour_register_settings	0 conflicts	Fatal error: Cannot redeclare fourzerofour_register_settings()
fourzerofour_render_options	0 conflicts	Fatal error: Cannot redeclare fourzerofour_render_options()
fourzerofour_section_text	0 conflicts	Fatal error: Cannot redeclare fourzerofour_section_text()
fourzerofour_setting_string	0 conflicts	Fatal error: Cannot redeclare fourzerofour_setting_string()

Using 404 Simple Redirect 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 404 Simple Redirect from the command line with WP-CLI

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

wp plugin install 404-simple-redirect

How to activate 404 Simple Redirect from the command line with WP-CLI

To immediately activate 404 Simple Redirect after WP-CLI downloads the latest version you can use the following command:

wp plugin install 404-simple-redirect --activate

How to reinstall 404 Simple Redirect from the command line with WP-CLI

To force a reinstallation of 404 Simple Redirect which overwrites the current plugin without asking for confirmation you can use the following command:

wp plugin install 404-simple-redirect --force

How to update 404 Simple Redirect to the latest version from the command line with WP-CLI

wp plugin update 404-simple-redirect

How to delete 404 Simple Redirect from the command line with WP-CLI

wp plugin delete 404-simple-redirect

Where can you download earlier versions of 404 Simple Redirect?

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 404 Simple Redirect 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 404 Simple Redirect

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