wpsnoop: fix Developer Toolbar plugin conflicts, errors & issues

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


Troubleshooting theme and plugin conflicts is easier when you know what Developer Toolbar 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 Developer Toolbar

Get professional support for Developer Toolbar here

When you need professional help with WordPress: get help here


What does Developer Toolbar version 1.0.3 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for Developer Toolbar to perform differently in your installation, previous versions before 1.0.3 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 1.0.3 of Developer Toolbar 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 Developer Toolbar 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.

Which new files does Developer Toolbar add to WordPress?

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

Type & Path Size Conflicts
wp-content/plugins/developer-toolbar/ 192.24kB No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/classes/ 13.22kB No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/classes/_notes/ 329.00B No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/classes/_notes/dwsync.xml 329.00B No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/classes/appgati.class.php 7.32kB No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/classes/debugger.class.php 5.58kB No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/css/ 1.36kB No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/css/_notes/ 198.00B No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/css/_notes/dwsync.xml 198.00B No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/css/developer-toolbar.css 1.16kB No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/developer-toolbar.php 10.14kB No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/img/ 104.88kB No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/img/_notes/ 564.00B No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/img/_notes/dwsync.xml 564.00B No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/img/close.png 265.00B No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/img/db.png 263.00B No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/img/embed.png 241.00B No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/img/file.png 247.00B No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/img/history.png 601.00B No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/img/info_white.png 49.89kB No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/img/info.png 49.66kB No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/img/info2.png 523.00B No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/img/memory.png 516.00B No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/img/mysql.jpg 555.00B No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/img/php.jpg 495.00B No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/img/screen.png 161.00B No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/img/wordpress.png 1.01kB No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/js/ 3.72kB No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/js/_notes/ 338.00B No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/js/_notes/dwsync.xml 338.00B No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/js/developer-toolbar.js 2.17kB No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/js/developer-toolbar.min.js 1.22kB No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/readme.txt 2.13kB No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/screenshot-1.jpg 12.99kB No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/screenshot-2.jpg 21.98kB No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/views/ 21.83kB No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/views/_notes/ 707.00B No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/views/_notes/dwsync.xml 707.00B No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/views/checklists.php 14.87kB No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/views/phpinfo.php 1.09kB No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/views/rewrites.php 830.00B No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/views/serverinfo.php 1.46kB No known conflicts with other themes or plugins.
wp-content/plugins/developer-toolbar/views/toolbar.php 2.90kB No known conflicts with other themes or plugins.

Which new shortcodes does Developer Toolbar add to WordPress?

Which new database tables are created by the WordPress plugin Developer Toolbar?

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

What new PHP functions does Developer Toolbar declare when it is active?

Using Developer Toolbar 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 Developer Toolbar from the command line with WP-CLI

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

wp plugin install developer-toolbar


How to activate Developer Toolbar from the command line with WP-CLI

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

wp plugin install developer-toolbar --activate


How to reinstall Developer Toolbar from the command line with WP-CLI

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

wp plugin install developer-toolbar --force


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

wp plugin update developer-toolbar


How to delete Developer Toolbar from the command line with WP-CLI

wp plugin delete developer-toolbar

Where can you download earlier versions of Developer Toolbar?

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 Developer Toolbar 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 Developer Toolbar

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