wpsnoop: fix QR Print plugin conflicts, errors & issues

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

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

Database Issues

ShortCode Issues

Function Issues

File System Issues

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What does QR Print version 0.3 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for QR Print to perform differently in your installation, previous versions before 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 0.3 of QR Print 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 Print 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 Print

Plugin Slug: qr-print Internal ID: 56868 Addon Type: Plugin Version: 0.3 Price: Free Source: WordPress.org Files: 4 (2.97kB) Short Codes: [ / ] 0 Database Tables: 0 Function Count: 2 Code Review: Search Provit

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Which new files does QR Print add to WordPress?

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

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

Type & Path	Size	Conflicts
wp-content/plugins/qr-print/	2.97kB	No known conflicts with other themes or plugins.
wp-content/plugins/qr-print/qrprint.php	1.02kB	No known conflicts with other themes or plugins.
wp-content/plugins/qr-print/readme.txt	1.05kB	No known conflicts with other themes or plugins.
wp-content/plugins/qr-print/screenshot-1.png	918.00B	No known conflicts with other themes or plugins.

Which new shortcodes does QR Print add to WordPress?

The plugin QR Print 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 Print?

QR Print 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 Print?

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

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

Installing QR Print added 2 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
insertqrcode		1 conflict	Fatal error: Cannot redeclare insertqrcode()
insertprintonlycss		0 conflicts	Fatal error: Cannot redeclare insertprintonlycss()

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

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

wp plugin install qr-print

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

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

wp plugin install qr-print --activate

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

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

wp plugin install qr-print --force

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

wp plugin update qr-print

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

wp plugin delete qr-print

Where can you download earlier versions of QR Print?

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 Print 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 Print

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