wpsnoop: fix ra_qrcode plugin conflicts, errors & issues

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


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

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What does ra_qrcode version 2.1.0 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for ra_qrcode to perform differently in your installation, previous versions before 2.1.0 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 2.1.0 of ra_qrcode 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 ra_qrcode 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 ra_qrcode add to WordPress?

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

Type & Path Size Conflicts
wp-content/plugins/ra-qrcode/ 17.65kB No known conflicts with other themes or plugins.
wp-content/plugins/ra-qrcode/css/ 69.00B No known conflicts with other themes or plugins.
wp-content/plugins/ra-qrcode/css/style.css 69.00B No known conflicts with other themes or plugins.
wp-content/plugins/ra-qrcode/img/ 2.05kB No known conflicts with other themes or plugins.
wp-content/plugins/ra-qrcode/img/qr-icon.png 2.05kB No known conflicts with other themes or plugins.
wp-content/plugins/ra-qrcode/inc/ 1.02kB No known conflicts with other themes or plugins.
wp-content/plugins/ra-qrcode/inc/image.php 1.02kB No known conflicts with other themes or plugins.
wp-content/plugins/ra-qrcode/js/ 3.47kB No known conflicts with other themes or plugins.
wp-content/plugins/ra-qrcode/js/qrcode-button.js 3.47kB No known conflicts with other themes or plugins.
wp-content/plugins/ra-qrcode/ra-qrcode.php 9.39kB No known conflicts with other themes or plugins.
wp-content/plugins/ra-qrcode/readme.txt 1.65kB No known conflicts with other themes or plugins.

Which new shortcodes does ra_qrcode add to WordPress?

ShortCode   Known Plugin or Theme conflicts
[qrcode] The qrcode shortcode has potential conflicts with at least 14 other plugins or themes.

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 ra_qrcode?

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

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

During use ra_qrcode 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.

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

Using ra_qrcode 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 ra_qrcode from the command line with WP-CLI

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

wp plugin install ra-qrcode


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

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

wp plugin install ra-qrcode --activate


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

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

wp plugin install ra-qrcode --force


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

wp plugin update ra-qrcode


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

wp plugin delete ra-qrcode

Where can you download earlier versions of ra_qrcode?

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 ra_qrcode 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 ra_qrcode

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