wpsnoop: fix WP-Tincan plugin conflicts, errors & issues

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


Troubleshooting theme and plugin conflicts is easier when you know what WP-Tincan 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 WP-Tincan

Get professional support for WP-Tincan here

When you need professional help with WordPress: get help here


What does WP-Tincan version 1.0 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for WP-Tincan to perform differently in your installation, previous versions before 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 1.0 of WP-Tincan 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 WP-Tincan 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 WP-Tincan add to WordPress?

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

Type & Path Size Conflicts
wp-content/plugins/wp-tincan/ 631.08kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-tincan/base64.js 5.79kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-tincan/comms.js 1.59kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-tincan/config.js 523.00B No known conflicts with other themes or plugins.
wp-content/plugins/wp-tincan/css/ 3.73kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-tincan/css/rhinoslider-1.05.css 3.73kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-tincan/functions.js 2.55kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-tincan/icon.png 579.00B No known conflicts with other themes or plugins.
wp-content/plugins/wp-tincan/img/ 189.56kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-tincan/img/cert.png 173.74kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-tincan/img/correct.png 1.65kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-tincan/img/incorrect.png 1.59kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-tincan/img/quiz.png 5.29kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-tincan/img/rhinoslider-sprite.png 7.29kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-tincan/js/ 313.98kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-tincan/js/build/ 254.47kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-tincan/js/build/.empty No known conflicts with other themes or plugins.
wp-content/plugins/wp-tincan/js/build/NOTICE 128.00B No known conflicts with other themes or plugins.
wp-content/plugins/wp-tincan/js/build/README.md 1.89kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-tincan/js/build/tincan-min.js 55.28kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-tincan/js/build/tincan.js 197.18kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-tincan/js/easing.js 8.49kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-tincan/js/mousewheel.js 1.36kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-tincan/js/quiz.js 4.26kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-tincan/js/rhinoslider-1.05.js 27.37kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-tincan/js/rhinoslider-1.05.min.js 18.03kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-tincan/README.txt 3.37kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-tincan/screenshot.JPG 64.96kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-tincan/template.php 368.00B No known conflicts with other themes or plugins.
wp-content/plugins/wp-tincan/tincourses.js 160.00B No known conflicts with other themes or plugins.
wp-content/plugins/wp-tincan/wp-tincan.php 43.95kB No known conflicts with other themes or plugins.

Which new shortcodes does WP-Tincan add to WordPress?

ShortCode   Known Plugin or Theme conflicts
[bloginfo] The bloginfo shortcode has potential conflicts with at least 11 other plugins or themes.
[course] The course shortcode has potential conflicts with at least 4 other plugins or themes.
[date] The date shortcode has potential conflicts with at least 16 other plugins or themes.
[day] The day shortcode has potential conflicts with at least 2 other plugins or themes.
[hours] The hours shortcode has potential conflict with at least 1 other plugin or theme.
[minutes] The minutes shortcode has potential conflict with at least 1 other plugin or theme.
[month] The month shortcode has potential conflicts with at least 4 other plugins or themes.
[month_name] The month_name shortcode has potential conflict with at least 1 other plugin or theme.
[quiz] The quiz shortcode has potential conflicts with at least 2 other plugins or themes.
[seconds] The seconds shortcode has potential conflict with at least 1 other plugin or theme.
[site_desc] The site_desc shortcode has potential conflict with at least 1 other plugin or theme.
[site_name] The site_name shortcode has potential conflict with at least 1 other plugin or theme.
[site_title] The site_title shortcode has potential conflict with at least 1 other plugin or theme.
[site_url] The site_url shortcode has potential conflicts with at least 4 other plugins or themes.
[sitename] The sitename shortcode has potential conflict with at least 1 other plugin or theme.
[time] The time shortcode has potential conflicts with at least 4 other plugins or themes.
[weekday] The weekday shortcode has potential conflicts with at least 2 other plugins or themes.
[wp_version] The wp_version shortcode has potential conflict with at least 1 other plugin or theme.
[year] The year shortcode has potential conflicts with at least 13 other plugins or themes.
[hour] The hour shortcode doesn't have any known conflicts with other themes or plugins.
[minute] The minute shortcode doesn't have any known conflicts with other themes or plugins.
[monthname] The monthname shortcode doesn't have any known conflicts with other themes or plugins.
[passedquiz] The passedquiz shortcode doesn't have any known conflicts with other themes or plugins.
[second] The second shortcode doesn't have any known conflicts with other themes or plugins.
[site_description] The site_description shortcode doesn't have any known conflicts with other themes or plugins.
[sitedesc] The sitedesc shortcode doesn't have any known conflicts with other themes or plugins.
[sitedescription] The sitedescription shortcode doesn't have any known conflicts with other themes or plugins.
[sitetitle] The sitetitle shortcode doesn't have any known conflicts with other themes or plugins.
[siteurl] The siteurl shortcode doesn't have any known conflicts with other themes or plugins.
[student] The student shortcode doesn't have any known conflicts with other themes or plugins.
[week_day] The week_day shortcode doesn't have any known conflicts with other themes or plugins.
[wpversion] The wpversion shortcode doesn't have any known conflicts with other themes or plugins.

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 WP-Tincan?

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

What new PHP functions does WP-Tincan declare when it is active?

Function   Conflicts Common Errors
bloginfo_shortcode 2 conflicts Fatal error: Cannot redeclare bloginfo_shortcode()
custom_init 2 conflicts Fatal error: Cannot redeclare custom_init()
full_url 2 conflicts Fatal error: Cannot redeclare full_url()
myplugin_inner_custom_box 11 conflicts Fatal error: Cannot redeclare myplugin_inner_custom_box()
parser 1 conflict Fatal error: Cannot redeclare parser()
sendcomment 1 conflict Fatal error: Cannot redeclare sendcomment()
start 4 conflicts Fatal error: Cannot redeclare start()
template_filter 1 conflict Fatal error: Cannot redeclare template_filter()
tincan_plugin_settings_link 1 conflict Fatal error: Cannot redeclare tincan_plugin_settings_link()
tincanviewer_menu 1 conflict Fatal error: Cannot redeclare tincanviewer_menu()
tincanviewer_menu_page 1 conflict Fatal error: Cannot redeclare tincanviewer_menu_page()
action_init 0 conflicts Fatal error: Cannot redeclare action_init()
coursecode 0 conflicts Fatal error: Cannot redeclare coursecode()
date_i18n_shortcode 0 conflicts Fatal error: Cannot redeclare date_i18n_shortcode()
date_shortcode 0 conflicts Fatal error: Cannot redeclare date_shortcode()
day_shortcode 0 conflicts Fatal error: Cannot redeclare day_shortcode()
get_cert 0 conflicts Fatal error: Cannot redeclare get_cert()
hours_shortcode 0 conflicts Fatal error: Cannot redeclare hours_shortcode()
js_init 0 conflicts Fatal error: Cannot redeclare js_init()
minutes_shortcode 0 conflicts Fatal error: Cannot redeclare minutes_shortcode()
month_name_shortcode 0 conflicts Fatal error: Cannot redeclare month_name_shortcode()
month_shortcode 0 conflicts Fatal error: Cannot redeclare month_shortcode()
myjson_encode 0 conflicts Fatal error: Cannot redeclare myjson_encode()
qcomment 0 conflicts Fatal error: Cannot redeclare qcomment()
quizcode 0 conflicts Fatal error: Cannot redeclare quizcode()
seconds_shortcode 0 conflicts Fatal error: Cannot redeclare seconds_shortcode()
sendblogpost 0 conflicts Fatal error: Cannot redeclare sendblogpost()
sendforum 0 conflicts Fatal error: Cannot redeclare sendforum()
sendquiz 0 conflicts Fatal error: Cannot redeclare sendquiz()
sendquizattempt 0 conflicts Fatal error: Cannot redeclare sendquizattempt()
sendstatement 0 conflicts Fatal error: Cannot redeclare sendstatement()
setcourse 0 conflicts Fatal error: Cannot redeclare setcourse()
shortuser 0 conflicts Fatal error: Cannot redeclare shortuser()
site_desc_shortcode 0 conflicts Fatal error: Cannot redeclare site_desc_shortcode()
site_name_shortcode 0 conflicts Fatal error: Cannot redeclare site_name_shortcode()
site_url_shortcode 0 conflicts Fatal error: Cannot redeclare site_url_shortcode()
template_callback 0 conflicts Fatal error: Cannot redeclare template_callback()
time_shortcode 0 conflicts Fatal error: Cannot redeclare time_shortcode()
tincan_add_custom_box 0 conflicts Fatal error: Cannot redeclare tincan_add_custom_box()
tincan_save_postdata 0 conflicts Fatal error: Cannot redeclare tincan_save_postdata()
tincanmenu 0 conflicts Fatal error: Cannot redeclare tincanmenu()
weekday_shortcode 0 conflicts Fatal error: Cannot redeclare weekday_shortcode()
wp_version_shortcode 0 conflicts Fatal error: Cannot redeclare wp_version_shortcode()
wpq_display_settings 0 conflicts Fatal error: Cannot redeclare wpq_display_settings()
year_shortcode 0 conflicts Fatal error: Cannot redeclare year_shortcode()

Using WP-Tincan 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 WP-Tincan from the command line with WP-CLI

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

wp plugin install wp-tincan


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

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

wp plugin install wp-tincan --activate


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

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

wp plugin install wp-tincan --force


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

wp plugin update wp-tincan


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

wp plugin delete wp-tincan

Where can you download earlier versions of WP-Tincan?

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 WP-Tincan 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 WP-Tincan

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