wpsnoop: fix QR Generator plugin conflicts, errors & issues

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

Troubleshooting theme and plugin conflicts is easier when you know what QR Generator 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 QR Generator

Database Issues

ShortCode Issues

Function Issues

File System Issues

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What does QR Generator version 0.9 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for QR Generator to perform differently in your installation, previous versions before 0.9 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 0.9 of QR Generator 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 QR Generator 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: QR Generator

Plugin Slug: qr-generator Internal ID: 56861 Addon Type: Plugin Version: 0.9 Price: Free Source: WordPress.org Files: 4 (6.01kB) Short Codes: [ / ] 0 Database Tables: 0 Function Count: 1 Code Review: Search Provit

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Which new files does QR Generator add to WordPress?

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

The plugin QR Generator added 4 new files when it was installed with WP-CLI in our WordPress test environment.

Type & Path	Size	Conflicts
wp-content/plugins/qr-generator/	6.01kB	No known conflicts with other themes or plugins.
wp-content/plugins/qr-generator/qr-generator.php	727.00B	No known conflicts with other themes or plugins.
wp-content/plugins/qr-generator/qrcode.php	4.48kB	No known conflicts with other themes or plugins.
wp-content/plugins/qr-generator/readme.txt	837.00B	No known conflicts with other themes or plugins.

Which new shortcodes does QR Generator add to WordPress?

The plugin QR Generator 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 QR Generator?

QR Generator 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 QR Generator?

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

What new PHP functions does QR Generator declare when it is active?

Installing QR Generator added 1 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
show_qr		1 conflict	Fatal error: Cannot redeclare show_qr()

Using QR Generator 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 QR Generator from the command line with WP-CLI

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

wp plugin install qr-generator

How to activate QR Generator from the command line with WP-CLI

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

wp plugin install qr-generator --activate

How to reinstall QR Generator from the command line with WP-CLI

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

wp plugin install qr-generator --force

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

wp plugin update qr-generator

How to delete QR Generator from the command line with WP-CLI

wp plugin delete qr-generator

Where can you download earlier versions of QR Generator?

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 QR Generator 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 QR Generator

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