wpsnoop: fix Couponer plugin conflicts, errors & issues

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

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

Database Issues

ShortCode Issues

Function Issues

File System Issues

Get professional support for Couponer here

When you need professional help with WordPress: get help here

What does Couponer version 1.2 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for Couponer 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 Couponer 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 Couponer 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: Couponer

Plugin Slug: couponer Internal ID: 16507 Addon Type: Plugin Version: 1.2 Price: Free Source: WordPress.org Files: 14 (213.01kB) Short Codes: [ / ] 1 Database Tables: 1 Function Count: 4 Code Review: Search Provit

Do you need help with Couponer? Get professional plugin support here in no time at all

Which new files does Couponer add to WordPress?

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

The plugin Couponer added 14 new files when it was installed with WP-CLI in our WordPress test environment.

Type & Path	Size	Conflicts
wp-content/plugins/couponer/	213.01kB	No known conflicts with other themes or plugins.
wp-content/plugins/couponer/add-coupon.php	849.00B	No known conflicts with other themes or plugins.
wp-content/plugins/couponer/couponer.css	2.30kB	No known conflicts with other themes or plugins.
wp-content/plugins/couponer/couponer.php	16.00kB	No known conflicts with other themes or plugins.
wp-content/plugins/couponer/images/	9.59kB	No known conflicts with other themes or plugins.
wp-content/plugins/couponer/images/logo60x30.gif	1.49kB	No known conflicts with other themes or plugins.
wp-content/plugins/couponer/images/print_icon.gif	244.00B	No known conflicts with other themes or plugins.
wp-content/plugins/couponer/images/working.gif	7.87kB	No known conflicts with other themes or plugins.
wp-content/plugins/couponer/print-coupon.php	1.84kB	No known conflicts with other themes or plugins.
wp-content/plugins/couponer/process-coupon.php	1.88kB	No known conflicts with other themes or plugins.
wp-content/plugins/couponer/readme.txt	1.18kB	No known conflicts with other themes or plugins.
wp-content/plugins/couponer/screenshot-1.png	93.51kB	No known conflicts with other themes or plugins.
wp-content/plugins/couponer/screenshot-2.png	85.61kB	No known conflicts with other themes or plugins.
wp-content/plugins/couponer/uninstall.php	271.00B	No known conflicts with other themes or plugins.

Which new shortcodes does Couponer add to WordPress?

The plugin Couponer added 1 new shortcode when it was installed with WP-CLI in our WordPress test environment.

ShortCode		Known Plugin or Theme conflicts
[display_coupons]		The display_coupons shortcode doesn't have any known conflicts with other themes or plugins.

Note: We have not yet checked to see if these shortcodes work as expected in pages, posts, sidebar widgets, or when set as the page title, in content, in the excert, in menus or anywhere else within a WordPress installation. A shortcode could produce errors due to parameters added when it is used, or if the plugin is updated and the format of the shortcode has changed.

Which new database tables are created by the WordPress plugin Couponer?

Couponer created 1 new database table when it was installed in our test environment:

Table name	Known Plugin or Theme conflicts
wp_couponer	The wp_couponer table doesn't have any known conflicts with other themes or plugins.

After uninstalling and deleting Couponer using WP-CLI there were 0 database tables that still remained.

Table name	Status

Click the table name above for more information on what the orphan tables could mean to your WordPress installation and some tips on how to deal with it.

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

When Couponer 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
couponer_db_version		The couponer_db_version option doesn't have any known conflicts with other themes or plugins.
(empty string)
Couponer_Logo		The Couponer_Logo option doesn't have any known conflicts with other themes or plugins.
http://testing.local/wp-content/plugins/couponer/images/logo60x30.gif

During use Couponer 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 Couponer there were 1 option still present in the wp-options table:

recently_activated

Contact Couponer experts for help

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

Installing Couponer added 4 new function 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
display_coupons	2 conflicts	Fatal error: Cannot redeclare display_coupons()
couponer_install	0 conflicts	Fatal error: Cannot redeclare couponer_install()
couponer_menu	0 conflicts	Fatal error: Cannot redeclare couponer_menu()
couponer_options	0 conflicts	Fatal error: Cannot redeclare couponer_options()

Using Couponer 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 Couponer from the command line with WP-CLI

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

wp plugin install couponer

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

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

wp plugin install couponer --activate

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

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

wp plugin install couponer --force

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

wp plugin update couponer

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

wp plugin delete couponer

Where can you download earlier versions of Couponer?

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 Couponer 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 Couponer

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