wpsnoop: fix Yahoo! Emoticons for Custom Smilies 2.3 plugin conflicts, errors & issues
When the plugin Yahoo! Emoticons for Custom Smilies 2.3 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 Yahoo! Emoticons for Custom Smilies 2.3, plus learn which plugins and/or themes could be in conflict with Yahoo! Emoticons for Custom Smilies 2.3.
Troubleshooting theme and plugin conflicts is easier when you know what Yahoo! Emoticons for Custom Smilies 2.3 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 Yahoo! Emoticons for Custom Smilies 2.3
Get professional support for Yahoo! Emoticons for Custom Smilies 2.3 here
When you need professional help with WordPress: get help here
What does Yahoo! Emoticons for Custom Smilies 2.3 version 2.1 add to WordPress? Answers Here.
This is an automatically generated report - it is possible for Yahoo! Emoticons for Custom Smilies 2.3 to perform differently in your installation, previous versions before 2.1 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 of Yahoo! Emoticons for Custom Smilies 2.3 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 Yahoo! Emoticons for Custom Smilies 2.3 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: Yahoo! Emoticons for Custom Smilies 2.3
Plugin Slug: yahoo-emoticons-for-custom-smileys
Internal ID: 92479
Addon Type: Plugin
Version: 2.1
Price:
Free
Source: WordPress.org
Files: 124 (1.00MB)
Short Codes: [ / ] 0
Database Tables: 0
Function Count: 22
Code Review: Search Provit
Which new files does Yahoo! Emoticons for Custom Smilies 2.3 add to WordPress?
This section will populate with a table showing an icon, size and filepath.
The plugin Yahoo! Emoticons for Custom Smilies 2.3 added 124 new files when it was installed with WP-CLI in our WordPress test environment.
| Type & Path | Size | Conflicts |
|---|---|---|
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/ | 1.00MB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/common.inc.php | 17.11kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/custom-smilies.php | 6.87kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/for25.php | 1.17kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/for27.php | 8.62kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/for29.php | 8.78kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/forold.php | 15.08kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/genlist_post.js.php | 3.16kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/genlist_post4wysiwyg.js.php | 3.27kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/genlist_quickpress.js.php | 3.15kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/genlist_reply.js.php | 3.16kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/genlist.js.php | 3.16kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/images/ | 473.00B | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/images/smile.gif | 473.00B | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/lang.php | 693.00B | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/lang/ | 33.48kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/lang/custom_smilies-de_DE.mo | 3.12kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/lang/custom_smilies-de_DE.po | 4.75kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/lang/custom_smilies-fr_FR.mo | 3.15kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/lang/custom_smilies-fr_FR.po | 5.00kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/lang/custom_smilies-it_IT.mo | 3.59kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/lang/custom_smilies-it_IT.po | 5.52kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/lang/custom_smilies-zh_CN.mo | 3.21kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/lang/custom_smilies-zh_CN.po | 5.14kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/readme.txt | 2.15kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/screenshot-1.jpg | 670.88kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/ | 241.99kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/1.gif | 1.17kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/10.gif | 845.00B | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/100.gif | 3.52kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/101.gif | 3.53kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/102.gif | 6.04kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/103.gif | 2.33kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/104.gif | 8.09kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/105.gif | 1.31kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/106.gif | 6.29kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/107.gif | 8.21kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/108.gif | 4.00kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/109.gif | 3.27kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/11.gif | 1.29kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/110.gif | 6.11kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/111.gif | 6.87kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/112.gif | 3.87kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/113.gif | 3.94kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/114.gif | 10.14kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/115.gif | 5.13kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/116.gif | 1.13kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/117.gif | 1.13kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/12.gif | 2.26kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/13.gif | 1.63kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/14.gif | 4.66kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/15.gif | 809.00B | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/16.gif | 0.99kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/17.gif | 1.17kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/18.gif | 4.17kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/19.gif | 3.91kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/2.gif | 0.98kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/20.gif | 2.25kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/21.gif | 646.00B | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/22.gif | 613.00B | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/23.gif | 821.00B | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/24.gif | 11.09kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/25.gif | 7.63kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/26.gif | 1.93kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/27.gif | 1.18kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/28.gif | 1.30kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/29.gif | 977.00B | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/3.gif | 0.98kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/30.gif | 1.67kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/31.gif | 1.78kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/32.gif | 2.65kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/33.gif | 0.99kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/34.gif | 3.35kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/35.gif | 2.52kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/36.gif | 3.84kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/37.gif | 1.77kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/38.gif | 595.00B | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/39.gif | 987.00B | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/4.gif | 536.00B | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/40.gif | 1.30kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/41.gif | 1.26kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/42.gif | 2.12kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/43.gif | 613.00B | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/44.gif | 975.00B | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/45.gif | 1.61kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/46.gif | 1.48kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/47.gif | 781.00B | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/48.gif | 1.79kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/49.gif | 1.38kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/5.gif | 1.12kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/50.gif | 1.87kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/51.gif | 1.17kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/52.gif | 814.00B | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/53.gif | 263.00B | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/54.gif | 377.00B | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/55.gif | 1.85kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/56.gif | 1.44kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/57.gif | 1.10kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/58.gif | 1.76kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/59.gif | 2.64kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/6.gif | 3.41kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/60.gif | 1.83kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/61.gif | 1.66kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/62.gif | 406.00B | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/63.gif | 2.13kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/64.gif | 1.03kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/65.gif | 2.94kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/66.gif | 5.72kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/67.gif | 2.61kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/68.gif | 2.48kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/69.gif | 3.37kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/7.gif | 2.66kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/70.gif | 2.02kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/71.gif | 3.78kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/72.gif | 409.00B | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/73.gif | 471.00B | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/74.gif | 449.00B | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/75.gif | 414.00B | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/76.gif | 6.06kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/77.gif | 2.80kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/78.gif | 4.24kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/79.gif | 981.00B | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/8.gif | 2.27kB | No known conflicts with other themes or plugins. |
| wp-content/plugins/yahoo-emoticons-for-custom-smileys/smilies/9.gif | 1.60kB | No known conflicts with other themes or plugins. |
Which new shortcodes does Yahoo! Emoticons for Custom Smilies 2.3 add to WordPress?
The plugin Yahoo! Emoticons for Custom Smilies 2.3 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 Yahoo! Emoticons for Custom Smilies 2.3?
Yahoo! Emoticons for Custom Smilies 2.3 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 Yahoo! Emoticons for Custom Smilies 2.3?
When Yahoo! Emoticons for Custom Smilies 2.3 was activated and loaded for the first time it created 2 new options in the wp_options table. Any known conflicts will be shown in red.
| Option Name | Known Conflicts | |
|---|---|---|
| clcs_options | Potential conflict with 1 plugin or theme | |
| clcs_smilies | Potential conflict with 1 plugin or theme | |
During use Yahoo! Emoticons for Custom Smilies 2.3 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.
After disabling and deleting Yahoo! Emoticons for Custom Smilies 2.3 there were 3 options still present in the wp-options table:
Contact Yahoo! Emoticons for Custom Smilies 2.3 experts for help
What new PHP functions does Yahoo! Emoticons for Custom Smilies 2.3 declare when it is active?
Installing Yahoo! Emoticons for Custom Smilies 2.3 added 22 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.
Using Yahoo! Emoticons for Custom Smilies 2.3 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 Yahoo! Emoticons for Custom Smilies 2.3 from the command line with WP-CLI
Navigate to the root of your WordPress installation and type the following command:
wp plugin install yahoo-emoticons-for-custom-smileys
How to activate Yahoo! Emoticons for Custom Smilies 2.3 from the command line with WP-CLI
To immediately activate Yahoo! Emoticons for Custom Smilies 2.3 after WP-CLI downloads the latest version you can use the following command:
wp plugin install yahoo-emoticons-for-custom-smileys --activate
How to reinstall Yahoo! Emoticons for Custom Smilies 2.3 from the command line with WP-CLI
To force a reinstallation of Yahoo! Emoticons for Custom Smilies 2.3 which overwrites the current plugin without asking for confirmation you can use the following command:
wp plugin install yahoo-emoticons-for-custom-smileys --force
How to update Yahoo! Emoticons for Custom Smilies 2.3 to the latest version from the command line with WP-CLI
wp plugin update yahoo-emoticons-for-custom-smileys
How to delete Yahoo! Emoticons for Custom Smilies 2.3 from the command line with WP-CLI
wp plugin delete yahoo-emoticons-for-custom-smileys
Where can you download earlier versions of Yahoo! Emoticons for Custom Smilies 2.3?
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 Yahoo! Emoticons for Custom Smilies 2.3 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 Yahoo! Emoticons for Custom Smilies 2.3
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 Yahoo! Emoticons for Custom Smilies 2.3. Different versions of WordPress could implement the features of this plugin in slightly different ways as well.