wpsnoop: fix IZ Calender plugin conflicts, errors & issues

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

Troubleshooting theme and plugin conflicts is easier when you know what IZ Calender 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 IZ Calender

Database Issues

ShortCode Issues

Function Issues

File System Issues

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When you need professional help with WordPress: get help here

What does IZ Calender version 1.3 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for IZ Calender to perform differently in your installation, previous versions before 1.3 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 1.3 of IZ Calender 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 IZ Calender 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: IZ Calender

Plugin Slug: iz-calender Internal ID: 37589 Addon Type: Plugin Version: 1.3 Price: Free Source: WordPress.org Files: 16 (673.31kB) Short Codes: [ / ] 0 Database Tables: 1 Function Count: 19 Code Review: Search Provit

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Which new files does IZ Calender add to WordPress?

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

The plugin IZ Calender added 16 new files when it was installed with WP-CLI in our WordPress test environment.

Type & Path	Size	Conflicts
wp-content/plugins/iz-calender/	673.31kB	No known conflicts with other themes or plugins.
wp-content/plugins/iz-calender/css/	11.59kB	No known conflicts with other themes or plugins.
wp-content/plugins/iz-calender/css/iz-calender-admin.css	4.25kB	No known conflicts with other themes or plugins.
wp-content/plugins/iz-calender/css/iz-calender.css	7.34kB	No known conflicts with other themes or plugins.
wp-content/plugins/iz-calender/functions.js	3.52kB	No known conflicts with other themes or plugins.
wp-content/plugins/iz-calender/images/	54.80kB	No known conflicts with other themes or plugins.
wp-content/plugins/iz-calender/images/edit.jpg	1.45kB	No known conflicts with other themes or plugins.
wp-content/plugins/iz-calender/images/izc-icon.png	51.50kB	No known conflicts with other themes or plugins.
wp-content/plugins/iz-calender/images/trash.jpg	1.85kB	No known conflicts with other themes or plugins.
wp-content/plugins/iz-calender/iz-calender.php	21.36kB	No known conflicts with other themes or plugins.
wp-content/plugins/iz-calender/readme.txt	1.91kB	No known conflicts with other themes or plugins.
wp-content/plugins/iz-calender/screenshot-1.png	50.87kB	No known conflicts with other themes or plugins.
wp-content/plugins/iz-calender/screenshot-2.png	58.36kB	No known conflicts with other themes or plugins.
wp-content/plugins/iz-calender/screenshot-3.png	11.83kB	No known conflicts with other themes or plugins.
wp-content/plugins/iz-calender/screenshot-4.png	458.91kB	No known conflicts with other themes or plugins.
wp-content/plugins/iz-calender/uninstall.php	182.00B	No known conflicts with other themes or plugins.

Which new shortcodes does IZ Calender add to WordPress?

The plugin IZ Calender 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 IZ Calender?

IZ Calender created 1 new database table when it was installed in our test environment:

Table name	Known Plugin or Theme conflicts
wp_iz_calender	The wp_iz_calender table doesn't have any known conflicts with other themes or plugins.

After uninstalling and deleting IZ Calender using WP-CLI there were 0 database tables that still remained.

Table name	Status

Click the table name above for more information on what the orphan tables could mean to your WordPress installation and some tips on how to deal with it.

Which new options are added to the wp-options table by IZ Calender?

When IZ Calender was activated and loaded for the first time it created 1 new option in the wp_options table. Any known conflicts will be shown in red.

Option Name		Known Conflicts
attooh_db_version		The attooh_db_version option doesn't have any known conflicts with other themes or plugins.
1.0

During use IZ Calender 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 IZ Calender there were 2 options still present in the wp-options table:

attooh_db_version
recently_activated

Contact IZ Calender experts for help

What new PHP functions does IZ Calender declare when it is active?

Installing IZ Calender added 19 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
izcalendar	1 conflict	Fatal error: Cannot redeclare izcalendar()
izcalender_menu	1 conflict	Fatal error: Cannot redeclare izcalender_menu()
izcalender_add_stylesheet	0 conflicts	Fatal error: Cannot redeclare izcalender_add_stylesheet()
izcalender_date_format	0 conflicts	Fatal error: Cannot redeclare izcalender_date_format()
izcalender_display_footer	0 conflicts	Fatal error: Cannot redeclare izcalender_display_footer()
izcalender_display_header	0 conflicts	Fatal error: Cannot redeclare izcalender_display_header()
izcalender_event	0 conflicts	Fatal error: Cannot redeclare izcalender_event()
izcalender_events	0 conflicts	Fatal error: Cannot redeclare izcalender_events()
izcalender_insert_update_events	0 conflicts	Fatal error: Cannot redeclare izcalender_insert_update_events()
izcalender_install	0 conflicts	Fatal error: Cannot redeclare izcalender_install()
izcalender_list_events	0 conflicts	Fatal error: Cannot redeclare izcalender_list_events()
izcalender_trash	0 conflicts	Fatal error: Cannot redeclare izcalender_trash()
izcalender_ui_event_description	0 conflicts	Fatal error: Cannot redeclare izcalender_ui_event_description()
izcalender_ui_list_events	0 conflicts	Fatal error: Cannot redeclare izcalender_ui_list_events()
izcalender_view_excerpt	0 conflicts	Fatal error: Cannot redeclare izcalender_view_excerpt()
php_exec_getuserlevel	0 conflicts	Fatal error: Cannot redeclare php_exec_getuserlevel()
php_exec_post	0 conflicts	Fatal error: Cannot redeclare php_exec_post()
php_exec_pre	0 conflicts	Fatal error: Cannot redeclare php_exec_pre()
php_exec_process	0 conflicts	Fatal error: Cannot redeclare php_exec_process()

Using IZ Calender 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 IZ Calender from the command line with WP-CLI

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

wp plugin install iz-calender

How to activate IZ Calender from the command line with WP-CLI

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

wp plugin install iz-calender --activate

How to reinstall IZ Calender from the command line with WP-CLI

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

wp plugin install iz-calender --force

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

wp plugin update iz-calender

How to delete IZ Calender from the command line with WP-CLI

wp plugin delete iz-calender

Where can you download earlier versions of IZ Calender?

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 IZ Calender 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 IZ Calender

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