wpsnoop: fix Simple Bookings plugin conflicts, errors & issues

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


Troubleshooting theme and plugin conflicts is easier when you know what Simple Bookings 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 Simple Bookings

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What does Simple Bookings version 1.0 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for Simple Bookings 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 Simple Bookings 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 Simple Bookings 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 Simple Bookings add to WordPress?

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

Type & Path Size Conflicts
wp-content/plugins/simple-bookings/ 113.75kB No known conflicts with other themes or plugins.
wp-content/plugins/simple-bookings/calendar.css 257.00B No known conflicts with other themes or plugins.
wp-content/plugins/simple-bookings/images/ 26.12kB No known conflicts with other themes or plugins.
wp-content/plugins/simple-bookings/images/_notes/ 2.12kB No known conflicts with other themes or plugins.
wp-content/plugins/simple-bookings/images/_notes/dwsync.xml 2.12kB No known conflicts with other themes or plugins.
wp-content/plugins/simple-bookings/images/ico-delete.png 715.00B No known conflicts with other themes or plugins.
wp-content/plugins/simple-bookings/images/ui-bg_flat_0_aaaaaa_40x100.png 180.00B No known conflicts with other themes or plugins.
wp-content/plugins/simple-bookings/images/ui-bg_flat_75_ffffff_40x100.png 178.00B No known conflicts with other themes or plugins.
wp-content/plugins/simple-bookings/images/ui-bg_glass_55_fbf9ee_1x400.png 120.00B No known conflicts with other themes or plugins.
wp-content/plugins/simple-bookings/images/ui-bg_glass_65_ffffff_1x400.png 105.00B No known conflicts with other themes or plugins.
wp-content/plugins/simple-bookings/images/ui-bg_glass_75_dadada_1x400.png 111.00B No known conflicts with other themes or plugins.
wp-content/plugins/simple-bookings/images/ui-bg_glass_75_e6e6e6_1x400.png 110.00B No known conflicts with other themes or plugins.
wp-content/plugins/simple-bookings/images/ui-bg_glass_95_fef1ec_1x400.png 119.00B No known conflicts with other themes or plugins.
wp-content/plugins/simple-bookings/images/ui-bg_highlight-soft_75_cccccc_1x100.png 101.00B No known conflicts with other themes or plugins.
wp-content/plugins/simple-bookings/images/ui-icons_222222_256x240.png 4.27kB No known conflicts with other themes or plugins.
wp-content/plugins/simple-bookings/images/ui-icons_2e83ff_256x240.png 4.27kB No known conflicts with other themes or plugins.
wp-content/plugins/simple-bookings/images/ui-icons_454545_256x240.png 4.27kB No known conflicts with other themes or plugins.
wp-content/plugins/simple-bookings/images/ui-icons_888888_256x240.png 5.23kB No known conflicts with other themes or plugins.
wp-content/plugins/simple-bookings/images/ui-icons_cd0a0a_256x240.png 4.27kB No known conflicts with other themes or plugins.
wp-content/plugins/simple-bookings/init.php 28.00kB No known conflicts with other themes or plugins.
wp-content/plugins/simple-bookings/js/ 10.51kB No known conflicts with other themes or plugins.
wp-content/plugins/simple-bookings/js/_notes/ 334.00B No known conflicts with other themes or plugins.
wp-content/plugins/simple-bookings/js/_notes/dwsync.xml 334.00B No known conflicts with other themes or plugins.
wp-content/plugins/simple-bookings/js/cmb.js 6.89kB No known conflicts with other themes or plugins.
wp-content/plugins/simple-bookings/js/jquery.timePicker.min.js 3.29kB No known conflicts with other themes or plugins.
wp-content/plugins/simple-bookings/readme.txt 2.65kB No known conflicts with other themes or plugins.
wp-content/plugins/simple-bookings/si_booking.php 17.50kB No known conflicts with other themes or plugins.
wp-content/plugins/simple-bookings/style.css 28.73kB No known conflicts with other themes or plugins.

Which new shortcodes does Simple Bookings add to WordPress?

ShortCode   Known Plugin or Theme conflicts
[booking] The booking shortcode has potential conflicts with at least 2 other plugins or themes.

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 Simple Bookings?

Which new options are added to the wp-options table by Simple Bookings?

What new PHP functions does Simple Bookings declare when it is active?

Function   Conflicts Common Errors
cmb_editor_footer_scripts 18 conflicts Fatal error: Cannot redeclare cmb_editor_footer_scripts()
cmb_force_send 15 conflicts Fatal error: Cannot redeclare cmb_force_send()
cmb_oembed_ajax_results 5 conflicts Fatal error: Cannot redeclare cmb_oembed_ajax_results()
cmb_scripts 17 conflicts Fatal error: Cannot redeclare cmb_scripts()
booking_shortcode 0 conflicts Fatal error: Cannot redeclare booking_shortcode()
change_booking_default_title 0 conflicts Fatal error: Cannot redeclare change_booking_default_title()
my_edit_booking_columns 0 conflicts Fatal error: Cannot redeclare my_edit_booking_columns()
my_manage_booking_columns 0 conflicts Fatal error: Cannot redeclare my_manage_booking_columns()
si_booking_change_publish_button 0 conflicts Fatal error: Cannot redeclare si_booking_change_publish_button()
si_booking_email 0 conflicts Fatal error: Cannot redeclare si_booking_email()
si_booking_posts_for_current_author 0 conflicts Fatal error: Cannot redeclare si_booking_posts_for_current_author()
si_booking_render_approver 0 conflicts Fatal error: Cannot redeclare si_booking_render_approver()
si_booking_save_my_metadata 0 conflicts Fatal error: Cannot redeclare si_booking_save_my_metadata()
si_custom_post_booking 0 conflicts Fatal error: Cannot redeclare si_custom_post_booking()
simple_booking_add_post 0 conflicts Fatal error: Cannot redeclare simple_booking_add_post()
simple_booking_custom_help_tab 0 conflicts Fatal error: Cannot redeclare simple_booking_custom_help_tab()
wpb_booking_initialize_cmb_meta_boxes 0 conflicts Fatal error: Cannot redeclare wpb_booking_initialize_cmb_meta_boxes()
wpb_booking_metaboxes 0 conflicts Fatal error: Cannot redeclare wpb_booking_metaboxes()

Using Simple Bookings 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 Simple Bookings from the command line with WP-CLI

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

wp plugin install simple-bookings


How to activate Simple Bookings from the command line with WP-CLI

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

wp plugin install simple-bookings --activate


How to reinstall Simple Bookings from the command line with WP-CLI

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

wp plugin install simple-bookings --force


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

wp plugin update simple-bookings


How to delete Simple Bookings from the command line with WP-CLI

wp plugin delete simple-bookings

Where can you download earlier versions of Simple Bookings?

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 Simple Bookings 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 Simple Bookings

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