wpsnoop: fix WP GCM plugin conflicts, errors & issues

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

Troubleshooting theme and plugin conflicts is easier when you know what WP GCM 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 WP GCM

Database Issues

ShortCode Issues

Function Issues

File System Issues

Get professional support for WP GCM here

When you need professional help with WordPress: get help here

What does WP GCM version 1.2.8 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for WP GCM to perform differently in your installation, previous versions before 1.2.8 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 1.2.8 of WP GCM 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 WP GCM 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: WP GCM

Plugin Slug: wp-gcm Internal ID: 86039 Addon Type: Plugin Version: 1.2.8 Price: Free Source: WordPress.org Files: 39 (750.04kB) Short Codes: [ / ] 0 Database Tables: 1 Function Count: 22 Code Review: Search Provit

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Which new files does WP GCM add to WordPress?

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

The plugin WP GCM added 39 new files when it was installed with WP-CLI in our WordPress test environment.

Type & Path	Size	Conflicts
wp-content/plugins/wp-gcm/	750.04kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-gcm/documentation/	715.91kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-gcm/documentation/assets/	706.37kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-gcm/documentation/assets/css/	10.09kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-gcm/documentation/assets/css/documenter_style.css	8.83kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-gcm/documentation/assets/css/img/	1.26kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-gcm/documentation/assets/css/img/info.png	686.00B	No known conflicts with other themes or plugins.
wp-content/plugins/wp-gcm/documentation/assets/css/img/warning.png	607.00B	No known conflicts with other themes or plugins.
wp-content/plugins/wp-gcm/documentation/assets/img/	426.09kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-gcm/documentation/assets/img/screen-1.png	108.12kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-gcm/documentation/assets/img/screen-2.png	87.43kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-gcm/documentation/assets/img/screen-3.png	36.05kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-gcm/documentation/assets/img/screen-4.png	47.82kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-gcm/documentation/assets/img/screen-5.png	28.27kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-gcm/documentation/assets/img/screen-6.png	84.12kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-gcm/documentation/assets/img/screen-7.png	34.28kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-gcm/documentation/assets/js/	270.19kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-gcm/documentation/assets/js/google-code-prettify/	14.11kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-gcm/documentation/assets/js/google-code-prettify/prettify.css	815.00B	No known conflicts with other themes or plugins.
wp-content/plugins/wp-gcm/documentation/assets/js/google-code-prettify/prettify.js	13.31kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-gcm/documentation/assets/js/jquery.easing.js	8.11kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-gcm/documentation/assets/js/jquery.js	242.01kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-gcm/documentation/assets/js/jquery.scrollTo.js	2.21kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-gcm/documentation/assets/js/script.js	3.75kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-gcm/documentation/index.html	9.53kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-gcm/gcm.php	2.33kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-gcm/lang/	14.76kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-gcm/lang/px_gcm-de_DE.mo	1.63kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-gcm/lang/px_gcm-de_DE.po	3.95kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-gcm/lang/px_gcm-fr_FR.mo	1.65kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-gcm/lang/px_gcm-fr_FR.po	3.97kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-gcm/lang/px_gcm.pot	3.56kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-gcm/options.php	8.99kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-gcm/page/	3.68kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-gcm/page/settings.php	1.48kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-gcm/page/write.php	2.21kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-gcm/readme.txt	3.60kB	No known conflicts with other themes or plugins.
wp-content/plugins/wp-gcm/register.php	591.00B	No known conflicts with other themes or plugins.
wp-content/plugins/wp-gcm/uninstall.php	188.00B	No known conflicts with other themes or plugins.

Which new shortcodes does WP GCM add to WordPress?

The plugin WP GCM 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 WP GCM?

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

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

After uninstalling and deleting WP GCM 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 WP GCM?

When WP GCM was activated and loaded for the first time it created 1 new option in the wp_options table. Any known conflicts will be shown in red.

Option Name		Known Conflicts
px_gcm_do_activation_redirect		The px_gcm_do_activation_redirect option doesn't have any known conflicts with other themes or plugins.
1

During use WP GCM 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 WP GCM there were 2 options still present in the wp-options table:

px_gcm_do_activation_redirect
recently_activated

Contact WP GCM experts for help

What new PHP functions does WP GCM declare when it is active?

Installing WP GCM added 22 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
abd_callback	1 conflict	Fatal error: Cannot redeclare abd_callback()
api_key_callback	3 conflicts	Fatal error: Cannot redeclare api_key_callback()
debug_callback	1 conflict	Fatal error: Cannot redeclare debug_callback()
gcm_section_callback	1 conflict	Fatal error: Cannot redeclare gcm_section_callback()
snpi_callback	1 conflict	Fatal error: Cannot redeclare snpi_callback()
supi_callback	1 conflict	Fatal error: Cannot redeclare supi_callback()
px_canonical	0 conflicts	Fatal error: Cannot redeclare px_canonical()
px_display_page_msg	0 conflicts	Fatal error: Cannot redeclare px_display_page_msg()
px_display_page_setting	0 conflicts	Fatal error: Cannot redeclare px_display_page_setting()
px_gcm_activated	0 conflicts	Fatal error: Cannot redeclare px_gcm_activated()
px_gcm_dir	0 conflicts	Fatal error: Cannot redeclare px_gcm_dir()
px_gcm_load_textdomain	0 conflicts	Fatal error: Cannot redeclare px_gcm_load_textdomain()
px_gcm_menu	0 conflicts	Fatal error: Cannot redeclare px_gcm_menu()
px_gcm_register	0 conflicts	Fatal error: Cannot redeclare px_gcm_register()
px_gcm_setting_redirect	0 conflicts	Fatal error: Cannot redeclare px_gcm_setting_redirect()
px_gcm_settings_validate	0 conflicts	Fatal error: Cannot redeclare px_gcm_settings_validate()
px_gcm_toolbar	0 conflicts	Fatal error: Cannot redeclare px_gcm_toolbar()
px_getids	0 conflicts	Fatal error: Cannot redeclare px_getids()
px_new_notification	0 conflicts	Fatal error: Cannot redeclare px_new_notification()
px_register_settings	0 conflicts	Fatal error: Cannot redeclare px_register_settings()
px_sendgcm	0 conflicts	Fatal error: Cannot redeclare px_sendgcm()
px_update_notification	0 conflicts	Fatal error: Cannot redeclare px_update_notification()

Using WP GCM 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 WP GCM from the command line with WP-CLI

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

wp plugin install wp-gcm

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

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

wp plugin install wp-gcm --activate

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

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

wp plugin install wp-gcm --force

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

wp plugin update wp-gcm

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

wp plugin delete wp-gcm

Where can you download earlier versions of WP GCM?

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 WP GCM 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 WP GCM

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