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Booking Calendar 10.14.8

Does Booking Calendar work with WordPress 6.9 and PHP 8.1.12? A smoke test was performed on .

Summary

Errors
4PHP deprecation warnings
No JavaScript exceptions
All test pages loaded successfully
No resource errors
Performance

Memory usage: 608.89 KiB
The average PHP memory usage increased by this amount after activating by the plugin.

Page speed impact: 0.156 seconds
The average page load time increased by this amount after activating the plugin.

Environment
WordPress version6.9
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
Plugin Info
Last updated
Active installs 50,000+
WordPress.org page https://wordpress.org/plugins/booking/
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Pages 10

Welcome to Booking Calendar ‹ Test site — WordPress

Page screenshot: Welcome to Booking Calendar ‹ Test site — WordPress
URL /wp-admin/index.php?page=wpbc-about
Requested URL /wp-admin/plugins.php?action=activate&plugin=booking%2Fwpdev-booking.php&plugin_status=all&paged=1&s&_wpnonce=ea4974d4d4
Aspect after-activation
HTTP status 200
Load time 2.374 s
Memory usage 4.28 MiB
JS errors None
Resource errors None

WP Booking Calendar

Page screenshot: WP Booking Calendar
URL /wp-admin/admin.php?page=wpbc
Aspect menu-item
HTTP status 200
Load time 1.257 s
Memory usage 4.38 MiB
JS errors None
Resource errors None

WP Booking Calendar → + Add Booking

Page screenshot: WP Booking Calendar → + Add Booking
URL /wp-admin/admin.php?page=wpbc-new
Aspect menu-item
HTTP status 200
Load time 0.903 s
Memory usage 4.4 MiB
JS errors None
Resource errors None

WP Booking Calendar → Availability

Page screenshot: WP Booking Calendar → Availability
URL /wp-admin/admin.php?page=wpbc-availability
Aspect menu-item
HTTP status 200
Load time 0.579 s
Memory usage 4.39 MiB
JS errors None
Resource errors None

WP Booking Calendar → Publish

Page screenshot: WP Booking Calendar → Publish
URL /wp-admin/admin.php?page=wpbc-resources
Aspect menu-item
HTTP status 200
Load time 0.846 s
Memory usage 4.43 MiB
JS errors None
Resource errors None

WP Booking Calendar → Settings

Page screenshot: WP Booking Calendar → Settings
URL /wp-admin/admin.php?page=wpbc-settings
Aspect menu-item
HTTP status 200
Load time 0.933 s
Memory usage 4.57 MiB
JS errors None
Resource errors None

WP Booking Calendar → Setup

Page screenshot: WP Booking Calendar → Setup
URL /wp-admin/admin.php?page=wpbc-setup
Aspect menu-item
HTTP status 200
Load time 1.618 s
Memory usage 4.48 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 0.355 s
Memory usage 4.58 MiB
JS errors None
Resource errors None

Dashboard ‹ Test site — WordPress

Page screenshot: Dashboard ‹ Test site — WordPress
URL /wp-admin/index.php
Aspect new-meta-boxes
HTTP status 200
Load time 0.473 s
Memory usage 4.38 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 1.924 s
Memory usage 6.8 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.431 s0.519 s+0.088 s3.78 MiB4.38 MiB+ 622.35 KiB
/wp-admin/edit.php0.382 s0.380 s-0.002 s3.78 MiB4.43 MiB+ 664.75 KiB
/wp-admin/post-new.php0.823 s1.013 s+0.190 s6.31 MiB6.98 MiB+ 690.85 KiB
/wp-admin/upload.php0.476 s0.976 s+0.500 s3.74 MiB4.31 MiB+ 587.63 KiB
/wp-admin/options-writing.php0.346 s0.548 s+0.202 s3.71 MiB4.29 MiB+ 589.8 KiB
/wp-admin/media-new.php0.527 s0.526 s-0.001 s3.7 MiB4.29 MiB+ 598 KiB
/wp-admin/edit-tags.php?taxonomy=category0.352 s0.329 s-0.023 s3.72 MiB4.3 MiB+ 602.86 KiB
/wp-admin/post-new.php?post_type=page0.717 s0.868 s+0.151 s6.3 MiB6.96 MiB+ 684.29 KiB
/wp-admin/options-discussion.php0.350 s1.019 s+0.669 s3.71 MiB4.29 MiB+ 586.3 KiB
/wp-admin/edit-comments.php0.383 s0.376 s-0.007 s3.73 MiB4.32 MiB+ 594.65 KiB
/0.440 s0.391 s-0.049 s4.12 MiB4.58 MiB+ 476.28 KiB
Average 0.475 s0.631 s+0.156 s4.24 MiB4.83 MiB+ 608.89 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
PHP51.4%64,28327,729214
CSS27.1%33,8824,330137
JavaScript21.4%26,78912,868128
Total 124,954 44,927 479

PHP Code Analysis | More results »

Lines of code 64,388
Total complexity 8,314
Median class complexity 14.0
Median method complexity 2.0
Most complex class WPBC_TimelineFlex
Most complex function wpbc_get__predefined_booking_form__template()
Classes 101
Methods 701
Functions 1,107

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 3

Options wp_options 163

User Metadata wp_usermeta 3

Sidebar Widgets 1

ID Name
bookingwidgetBooking Calendar

Meta Boxes 

{
    "dashboard": {
        "booking_dashboard_widget": {
            "title": "Booking Calendar",
            "context": "normal"
        }
    }
}

PHP Error Log 4 lines

[03-Dec-2025 02:51:16 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[03-Dec-2025 02:51:16 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[03-Dec-2025 02:51:25 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[03-Dec-2025 02:51:25 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
See also: All tests for this plugin, How to Hide Booking Calendar Admin Menus and Widgets