wpsnoop: fix Swift Calendar plugin conflicts, errors & issues

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


Troubleshooting theme and plugin conflicts is easier when you know what Swift Calendar 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 Swift Calendar

Get professional support for Swift Calendar here

When you need professional help with WordPress: get help here


What does Swift Calendar version 1.3.3 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for Swift Calendar to perform differently in your installation, previous versions before 1.3.3 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 1.3.3 of Swift Calendar 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 Swift Calendar 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 Swift Calendar add to WordPress?

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

Type & Path Size Conflicts
wp-content/plugins/online-appointment-scheduling-software/ 948.38kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/ 429.68kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/css/ 88.79kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/css/images/ 23.02kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/css/images/ui-bg_diagonals-thick_18_b81900_40x40.png 418.00B No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/css/images/ui-bg_diagonals-thick_20_666666_40x40.png 312.00B No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/css/images/ui-bg_flat_10_000000_40x100.png 205.00B No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/css/images/ui-bg_glass_100_f6f6f6_1x400.png 262.00B No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/css/images/ui-bg_glass_100_fdf5ce_1x400.png 348.00B No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/css/images/ui-bg_glass_65_ffffff_1x400.png 207.00B No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/css/images/ui-bg_gloss-wave_35_f6a828_500x100.png 5.68kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/css/images/ui-bg_highlight-soft_100_eeeeee_1x100.png 278.00B No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/css/images/ui-bg_highlight-soft_75_ffe45c_1x100.png 328.00B No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/css/images/ui-icons_ef8c08_256x240.png 4.44kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/css/images/ui-icons_ffd27a_256x240.png 4.44kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/css/images/ui-icons_ffffff_256x240.png 6.15kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/css/scal_admin.css 5.19kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/css/scal_jquery-ui.css 34.52kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/css/scal_rcswitcher.css 7.35kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/css/scal_spectrum.css 14.57kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/css/swift-dashboard.css 4.14kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/images/ 13.93kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/images/blank-img.png 3.63kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/images/swiftcloud-20X34.png 1.49kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/images/swiftcloud.png 1.96kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/images/ui-icons_444444_256x240.png 6.84kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/js/ 180.94kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/js/jquery-ui-timepicker-addon.js 78.87kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/js/jstz.min.js 4.87kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/js/sc_tab.js 666.00B No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/js/scal_admin.js 1.28kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/js/scal_rcswitcher.js 13.18kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/js/scal_spectrum.js 77.17kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/js/swift-dashboard.js 4.91kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/scal_admin.php 7.38kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/section/ 80.92kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/section/cpt_event_marketing.php 19.78kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/section/sca_general_settings.php 1.43kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/section/scal_call_to_action.php 15.98kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/section/scal_help_support_settings.php 1.09kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/section/scal_settings.php 6.77kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/section/scal_widget_settings.php 15.19kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/section/scal_widget.php 4.81kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/section/swift_dashboard.php 15.87kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/toggles/ 57.73kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/toggles/.gitignore 66.00B No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/toggles/bower.json 248.00B No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/toggles/css/ 28.14kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/toggles/css/scal_toggles-full.css 9.52kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/toggles/css/scal_toggles.css 435.00B No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/toggles/css/themes/ 18.19kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/toggles/css/themes/toggles-all.css 9.10kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/toggles/css/themes/toggles-dark.css 1.66kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/toggles/css/themes/toggles-iphone.css 1.98kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/toggles/css/themes/toggles-light.css 1.41kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/toggles/css/themes/toggles-modern.css 2.54kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/toggles/css/themes/toggles-soft.css 1.51kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/toggles/js/ 7.17kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/toggles/js/Toggles.js 6.63kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/toggles/js/wrap.js 553.00B No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/toggles/less/ 4.87kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/toggles/less/themes/ 4.62kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/toggles/less/themes/toggles-dark.less 777.00B No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/toggles/less/themes/toggles-iphone.less 1.21kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/toggles/less/themes/toggles-light.less 771.00B No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/toggles/less/themes/toggles-modern.less 1.20kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/toggles/less/themes/toggles-soft.less 713.00B No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/toggles/less/toggles.less 259.00B No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/toggles/LICENSE 1.04kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/toggles/Makefile 2.01kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/toggles/package.json 792.00B No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/toggles/README.md 3.39kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/toggles/scal_toggles.js 7.17kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/admin/toggles/toggles.min.js 2.87kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/css/ 56.51kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/css/bootstrap-grid.min.css 29.35kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/css/scal_bs_modal.min.css 16.60kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/css/scal_public.css 10.57kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/images/ 18.30kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/images/close.png 1.80kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/images/flag.png 7.28kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/images/gcal.png 3.30kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/images/ical.png 4.13kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/images/oulook.png 1.19kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/images/sf-alert.png 610.00B No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/js/ 378.47kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/js/countdown.js 10.14kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/js/date_timezone.js 42.66kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/js/jstz.min.js 4.87kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/js/moment-timezone.js 189.82kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/js/moment.js 125.92kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/js/scal_custom.js 1.32kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/js/sf-error-popup.js 223.00B No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/js/swift_widget_position.js 3.53kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/readme.txt 3.70kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/rss-events-feed.php 2.92kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/section/ 49.22kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/section/scal-call-to-action-front.php 3.99kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/section/scal-function.php 4.60kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/section/scal-preload.php 2.15kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/section/scal-shortcodes.php 13.84kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/section/scal-widget-front.php 8.77kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/section/single-event_marketing.php 12.76kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/section/swift-form-error-popup.php 3.10kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/swift-calendar.php 5.06kB No known conflicts with other themes or plugins.
wp-content/plugins/online-appointment-scheduling-software/swift-events-pagetemplater.php 4.52kB No known conflicts with other themes or plugins.

Which new shortcodes does Swift Calendar add to WordPress?

ShortCode   Known Plugin or Theme conflicts
[swiftcalendar_events_historyonly] The swiftcalendar_events_historyonly shortcode doesn't have any known conflicts with other themes or plugins.
[swiftcalendar_events_upcomingonly] The swiftcalendar_events_upcomingonly 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 Swift Calendar?

Which new options are added to the wp-options table by Swift Calendar?

Option Name   Known Conflicts
event_marketing_category_children The event_marketing_category_children option doesn't have any known conflicts with other themes or plugins.
scal_event_flag The scal_event_flag option doesn't have any known conflicts with other themes or plugins.
swift_calendar_db_version The swift_calendar_db_version option doesn't have any known conflicts with other themes or plugins.
widget_scal_upcoming_events The widget_scal_upcoming_events option doesn't have any known conflicts with other themes or plugins.

During use Swift Calendar 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.

What new PHP functions does Swift Calendar declare when it is active?

Function   Conflicts Common Errors
sanitize_text_or_array_field 10 conflicts Fatal error: Cannot redeclare sanitize_text_or_array_field()
swift_form_error_popup_cb 3 conflicts Fatal error: Cannot redeclare swift_form_error_popup_cb()
swift_form_error_popup_script 3 conflicts Fatal error: Cannot redeclare swift_form_error_popup_script()
cpt_event_marketing 0 conflicts Fatal error: Cannot redeclare cpt_event_marketing()
eventcal_widget_init 0 conflicts Fatal error: Cannot redeclare eventcal_widget_init()
eventfeed_request 0 conflicts Fatal error: Cannot redeclare eventfeed_request()
scal_admin_enqueue 0 conflicts Fatal error: Cannot redeclare scal_admin_enqueue()
scal_admin_forms_submit 0 conflicts Fatal error: Cannot redeclare scal_admin_forms_submit()
scal_admin_notice 0 conflicts Fatal error: Cannot redeclare scal_admin_notice()
scal_call_to_action_callback 0 conflicts Fatal error: Cannot redeclare scal_call_to_action_callback()
scal_control_panel 0 conflicts Fatal error: Cannot redeclare scal_control_panel()
scal_dashboard_callback 0 conflicts Fatal error: Cannot redeclare scal_dashboard_callback()
scal_dashboard_close_subscribe_callback 0 conflicts Fatal error: Cannot redeclare scal_dashboard_close_subscribe_callback()
scal_dashboard_subscribe_callback 0 conflicts Fatal error: Cannot redeclare scal_dashboard_subscribe_callback()
scal_dashboard_subscribe_checkbox_callback 0 conflicts Fatal error: Cannot redeclare scal_dashboard_subscribe_checkbox_callback()
scal_deactive_plugin 0 conflicts Fatal error: Cannot redeclare scal_deactive_plugin()
scal_dismiss_notice_callback 0 conflicts Fatal error: Cannot redeclare scal_dismiss_notice_callback()
scal_enqueue_scripts_styles 0 conflicts Fatal error: Cannot redeclare scal_enqueue_scripts_styles()
scal_events 0 conflicts Fatal error: Cannot redeclare scal_events()
scal_excerpt 0 conflicts Fatal error: Cannot redeclare scal_excerpt()
scal_get_excerpt 0 conflicts Fatal error: Cannot redeclare scal_get_excerpt()
scal_initial_data 0 conflicts Fatal error: Cannot redeclare scal_initial_data()
scal_install 0 conflicts Fatal error: Cannot redeclare scal_install()
scal_is_custom_post_type 0 conflicts Fatal error: Cannot redeclare scal_is_custom_post_type()
scal_metaboxes 0 conflicts Fatal error: Cannot redeclare scal_metaboxes()
scal_plugin_templates_callback 0 conflicts Fatal error: Cannot redeclare scal_plugin_templates_callback()
scal_pre_load_data 0 conflicts Fatal error: Cannot redeclare scal_pre_load_data()
scal_save_ratings 0 conflicts Fatal error: Cannot redeclare scal_save_ratings()
scal_set_current_menu 0 conflicts Fatal error: Cannot redeclare scal_set_current_menu()
scal_settings_callback 0 conflicts Fatal error: Cannot redeclare scal_settings_callback()
scal_settings_post_init 0 conflicts Fatal error: Cannot redeclare scal_settings_post_init()
scal_swiftcalendar_events_historyonly_callback 0 conflicts Fatal error: Cannot redeclare scal_swiftcalendar_events_historyonly_callback()
scal_swiftcalendar_events_upcomingonly_callback 0 conflicts Fatal error: Cannot redeclare scal_swiftcalendar_events_upcomingonly_callback()
scal_uninstall_callback 0 conflicts Fatal error: Cannot redeclare scal_uninstall_callback()
scal_update_check 0 conflicts Fatal error: Cannot redeclare scal_update_check()
slp_update_recurrening_event 0 conflicts Fatal error: Cannot redeclare slp_update_recurrening_event()
swift_calendar_global_position_class 0 conflicts Fatal error: Cannot redeclare swift_calendar_global_position_class()
swift_calendar_widget 0 conflicts Fatal error: Cannot redeclare swift_calendar_widget()

Using Swift Calendar 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 Swift Calendar from the command line with WP-CLI

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

wp plugin install online-appointment-scheduling-software


How to activate Swift Calendar from the command line with WP-CLI

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

wp plugin install online-appointment-scheduling-software --activate


How to reinstall Swift Calendar from the command line with WP-CLI

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

wp plugin install online-appointment-scheduling-software --force


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

wp plugin update online-appointment-scheduling-software


How to delete Swift Calendar from the command line with WP-CLI

wp plugin delete online-appointment-scheduling-software

Where can you download earlier versions of Swift Calendar?

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 Swift Calendar 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 Swift Calendar

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