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WP Simple Booking Calendar 2.0.15

Does WP Simple Booking Calendar work with WordPress 6.8.2 and PHP 8.1.12? A smoke test was performed on .

Summary

Errors
1PHP notices
1JavaScript exceptions
All test pages loaded successfully
No resource errors
Performance

Memory usage: 158.02 KiB
The average PHP memory usage increased by this amount after activating by the plugin.

Page speed impact: insignificant.
The plugin didn't make the site noticeably slower.

Environment
WordPress version6.8.2
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
Plugin Info
Last updated
Active installs 10,000+
WordPress.org page https://wordpress.org/plugins/wp-simple-booking-calendar/
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Pages 9

Plugins ‹ Test site — WordPress

Page screenshot: Plugins ‹ Test site — WordPress
URL /wp-admin/plugins.php?plugin_status=all&paged=1&s
Requested URL /wp-admin/plugins.php?action=activate&plugin=wp-simple-booking-calendar%2Fwp-simple-booking-calendar.php&plugin_status=all&paged=1&s&_wpnonce=85fb20079b
Aspect after-activation
HTTP status 200
Load time 0.390 s
Memory usage 3.7 MiB
JS errors None
Resource errors None

WP Simple Booking Calendar

Page screenshot: WP Simple Booking Calendar
URL /wp-admin/admin.php?page=wpsbc-calendars
Aspect menu-item
HTTP status 200
Load time 0.264 s
Memory usage 3.65 MiB
JS errors None
Resource errors None

WP Simple Booking Calendar → Settings

Page screenshot: WP Simple Booking Calendar → Settings
URL /wp-admin/admin.php?page=wpsbc-settings
Aspect menu-item
HTTP status 200
Load time 0.330 s
Memory usage 3.65 MiB
JS errors None
Resource errors None

WP Simple Booking Calendar → Settings → General

Page screenshot: WP Simple Booking Calendar → Settings → General
URL /wp-admin/admin.php?page=wpsbc-settings&tab=general
Aspect menu-item-tab
HTTP status 200
Load time 0.240 s
Memory usage 3.65 MiB
JS errors None
Resource errors None

WP Simple Booking Calendar → Settings → Register Website

Page screenshot: WP Simple Booking Calendar → Settings → Register Website
URL /wp-admin/admin.php?page=wpsbc-settings&tab=register_website
Aspect menu-item-tab
HTTP status 200
Load time 0.190 s
Memory usage 3.65 MiB
JS errors None
Resource errors None

WP Simple Booking Calendar → Settings → Uninstaller

Page screenshot: WP Simple Booking Calendar → Settings → Uninstaller
URL /wp-admin/admin.php?page=wpsbc-settings&tab=uninstaller
Aspect menu-item-tab
HTTP status 200
Load time 0.197 s
Memory usage 3.65 MiB
JS errors None
Resource errors None

WP Simple Booking Calendar → Backup/Restore

Page screenshot: WP Simple Booking Calendar → Backup/Restore
URL /wp-admin/admin.php?page=wpsbc-backup
Aspect menu-item
HTTP status 200
Load time 0.160 s
Memory usage 3.65 MiB
JS errors None
Resource errors None

Test site – Just another WordPress site

Page screenshot: Test site – Just another WordPress site
URL /
Aspect front-page
HTTP status 200
Load time 0.161 s
Memory usage 3.57 MiB
JS errors None
Resource errors None

Widgets ‹ Test site — WordPress

Page screenshot: Widgets ‹ Test site — WordPress
URL /wp-admin/widgets.php
Aspect new-sidebar-widgets
HTTP status 200
Load time 1.163 s
Memory usage 5.9 MiB
JS errors 
[
    {
        "message": "ReferenceError: wpsbc_calendars is not defined\n    at Object.<anonymous> (/wp-content/plugins/wp-simple-booking-calendar/includes/modules/blocks/single-calendar/assets/js/build/script-block-single-calendar.js?ver=6.8.2:92:21)\n    at __webpack_require__ (/wp-content/plugins/wp-simple-booking-calendar/includes/modules/blocks/single-calendar/assets/js/build/script-block-single-calendar.js?ver=6.8.2:20:30)\n    at /wp-content/plugins/wp-simple-booking-calendar/includes/modules/blocks/single-calendar/assets/js/build/script-block-single-calendar.js?ver=6.8.2:63:18\n    at /wp-content/plugins/wp-simple-booking-calendar/includes/modules/blocks/single-calendar/assets/js/build/script-block-single-calendar.js?ver=6.8.2:66:10",
        "trace": null,
        "code": null
    }
]
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.261 s0.250 s-0.011 s3.51 MiB3.67 MiB+ 165.8 KiB
/wp-admin/edit.php0.174 s0.184 s+0.010 s3.57 MiB3.75 MiB+ 180.63 KiB
/wp-admin/post-new.php0.700 s0.817 s+0.117 s6.06 MiB6.22 MiB+ 162.16 KiB
/wp-admin/upload.php0.853 s0.572 s-0.281 s3.52 MiB3.67 MiB+ 150.27 KiB
/wp-admin/options-writing.php0.192 s0.177 s-0.015 s3.5 MiB3.65 MiB+ 155.52 KiB
/wp-admin/media-new.php0.240 s0.194 s-0.046 s3.49 MiB3.65 MiB+ 163.72 KiB
/wp-admin/edit-tags.php?taxonomy=category0.161 s0.179 s+0.018 s3.5 MiB3.67 MiB+ 169.38 KiB
/wp-admin/post-new.php?post_type=page0.553 s0.581 s+0.028 s6.05 MiB6.2 MiB+ 150.71 KiB
/wp-admin/options-discussion.php0.361 s0.373 s+0.012 s3.5 MiB3.65 MiB+ 152.65 KiB
/wp-admin/edit-comments.php0.179 s0.369 s+0.190 s3.52 MiB3.67 MiB+ 151.52 KiB
/0.454 s0.174 s-0.280 s3.43 MiB3.57 MiB+ 135.89 KiB
Average 0.375 s0.352 s-0.023 s3.97 MiB4.12 MiB+ 158.02 KiB

Code Statistics

Note: Third-party libraries and minified JS/CSS files are excluded from these statistics where possible, so the numbers you see here may be lower than those reported by other tools.

PHP
CSS
JavaScript
Language % Lines of code Comment lines Files
PHP74.9%5,1153,74365
CSS12.8%8731463
JavaScript12.0%8183868
JSON0.3%1801
SVG0.0%101
Total 6,825 4,275 78

PHP Code Analysis | More results »

Lines of code 4,538
Total complexity 1,047
Median class complexity 11.0
Median method complexity 2.0
Most complex class WPSBC_WP_List_Table
Most complex function wpsbc_save_calendar_data()
Classes 31
Methods 199
Functions 104

Additions

Things that the plugin adds to the site. This section is not intended to be comprehensive. The test tool only looks for a few specific types of added content.

Database Tables 6

Options wp_options 4

Sidebar Widgets 2

ID Name
wpsbc_calendarWP Simple Booking Calendar
wpsimplebookingcalendar_widgetWP Simple Booking Calendar - Old Widget

PHP Error Log 1 lines

[16-Jul-2025 09:34:48 UTC] PHP Notice:  Function wp_enqueue_script() was called <strong>incorrectly</strong>. "wp-editor" script should not be enqueued together with the new widgets editor (wp-edit-widgets or wp-customize-widgets). Please see <a href="https://developer.wordpress.org/advanced-administration/debug/debug-wordpress/">Debugging in WordPress</a> for more information. (This message was added in version 5.8.0.) in /wp-includes/functions.php on line 6121
See also: All tests for this plugin, How to Hide WP Simple Booking Calendar Admin Menus