wpsnoop: fix QR Invoice Plugin plugin conflicts, errors & issues

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

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

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What does QR Invoice Plugin version 1.0.2 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for QR Invoice Plugin to perform differently in your installation, previous versions before 1.0.2 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 1.0.2 of QR Invoice Plugin 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 Invoice Plugin 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 Invoice Plugin

Plugin Slug: qr-invoice Internal ID: 56862 Addon Type: Plugin Version: 1.0.2 Price: Free Source: WordPress.org Files: 28 (1.82MB) Short Codes: [ / ] 0 Database Tables: 0 Function Count: 10 Code Review: Search Provit

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Which new files does QR Invoice Plugin add to WordPress?

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

The plugin QR Invoice Plugin added 28 new files when it was installed with WP-CLI in our WordPress test environment.

Type & Path	Size	Conflicts
wp-content/uploads/		The wp-content/uploads/ directory has potential conflicts with at least 1495 other plugins or themes.
wp-content/uploads/2022/		The wp-content/uploads/2022/ directory has potential conflicts with at least 1367 other plugins or themes.
wp-content/uploads/2022/02/		The wp-content/uploads/2022/02/ directory has potential conflicts with at least 1367 other plugins or themes.
wp-content/plugins/qr-invoice/	1.82MB	No known conflicts with other themes or plugins.
wp-content/plugins/qr-invoice/assets/	119.61kB	No known conflicts with other themes or plugins.
wp-content/plugins/qr-invoice/assets/icon-128x128.png	13.06kB	No known conflicts with other themes or plugins.
wp-content/plugins/qr-invoice/assets/icon-256x256.png	30.31kB	No known conflicts with other themes or plugins.
wp-content/plugins/qr-invoice/assets/icon-qr_bill.png	76.24kB	No known conflicts with other themes or plugins.
wp-content/plugins/qr-invoice/css/	54.79kB	No known conflicts with other themes or plugins.
wp-content/plugins/qr-invoice/css/images/	36.13kB	No known conflicts with other themes or plugins.
wp-content/plugins/qr-invoice/css/images/ui-icons_444444_256x240.png	6.92kB	No known conflicts with other themes or plugins.
wp-content/plugins/qr-invoice/css/images/ui-icons_555555_256x240.png	6.91kB	No known conflicts with other themes or plugins.
wp-content/plugins/qr-invoice/css/images/ui-icons_777620_256x240.png	4.51kB	No known conflicts with other themes or plugins.
wp-content/plugins/qr-invoice/css/images/ui-icons_777777_256x240.png	6.94kB	No known conflicts with other themes or plugins.
wp-content/plugins/qr-invoice/css/images/ui-icons_cc0000_256x240.png	4.51kB	No known conflicts with other themes or plugins.
wp-content/plugins/qr-invoice/css/images/ui-icons_ffffff_256x240.png	6.33kB	No known conflicts with other themes or plugins.
wp-content/plugins/qr-invoice/css/jquery-ui.min.css	18.66kB	No known conflicts with other themes or plugins.
wp-content/plugins/qr-invoice/include/	12.45kB	No known conflicts with other themes or plugins.
wp-content/plugins/qr-invoice/include/api.php	6.94kB	No known conflicts with other themes or plugins.
wp-content/plugins/qr-invoice/include/woo-functions.php	1.07kB	No known conflicts with other themes or plugins.
wp-content/plugins/qr-invoice/include/woo-payment-gateway.php	4.44kB	No known conflicts with other themes or plugins.
wp-content/plugins/qr-invoice/qrmodul-invoice.php	3.50kB	No known conflicts with other themes or plugins.
wp-content/plugins/qr-invoice/readme.txt	6.58kB	No known conflicts with other themes or plugins.
wp-content/plugins/qr-invoice/screenshot-1.png	107.97kB	No known conflicts with other themes or plugins.
wp-content/plugins/qr-invoice/screenshot-2.png	491.61kB	No known conflicts with other themes or plugins.
wp-content/plugins/qr-invoice/screenshot-3.png	1.02MB	No known conflicts with other themes or plugins.
wp-content/plugins/qr-invoice/settings.php	24.89kB	No known conflicts with other themes or plugins.
wp-content/uploads/qrmodul-invoice/		No known conflicts with other themes or plugins.

Which new shortcodes does QR Invoice Plugin add to WordPress?

The plugin QR Invoice Plugin 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 Invoice Plugin?

QR Invoice Plugin 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 Invoice Plugin?

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

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

Installing QR Invoice Plugin added 10 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
wqrmi_attach_order_invoice	0 conflicts	Fatal error: Cannot redeclare wqrmi_attach_order_invoice()
wqrmi_connect_auth	0 conflicts	Fatal error: Cannot redeclare wqrmi_connect_auth()
wqrmi_create_directory_invoices	0 conflicts	Fatal error: Cannot redeclare wqrmi_create_directory_invoices()
wqrmi_custom_column_name	0 conflicts	Fatal error: Cannot redeclare wqrmi_custom_column_name()
wqrmi_custom_column_value	0 conflicts	Fatal error: Cannot redeclare wqrmi_custom_column_value()
wqrmi_invoice_gateway_init	0 conflicts	Fatal error: Cannot redeclare wqrmi_invoice_gateway_init()
wqrmi_print_scripts	0 conflicts	Fatal error: Cannot redeclare wqrmi_print_scripts()
wqrmi_qr_invoice_add_to_gateways	0 conflicts	Fatal error: Cannot redeclare wqrmi_qr_invoice_add_to_gateways()
wqrmi_settings_link	0 conflicts	Fatal error: Cannot redeclare wqrmi_settings_link()
wqrmi_woocommerce_submenu	0 conflicts	Fatal error: Cannot redeclare wqrmi_woocommerce_submenu()

Using QR Invoice Plugin 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 Invoice Plugin from the command line with WP-CLI

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

wp plugin install qr-invoice

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

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

wp plugin install qr-invoice --activate

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

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

wp plugin install qr-invoice --force

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

wp plugin update qr-invoice

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

wp plugin delete qr-invoice

Where can you download earlier versions of QR Invoice Plugin?

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 Invoice Plugin 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 Invoice Plugin

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