Simple Calendar 3.5.5

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

Summary

Errors
2PHP deprecation warnings
1JavaScript exceptions
All test pages loaded successfully
No resource errors
Performance

Memory usage: 160.03 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 50,000+
WordPress.org page https://wordpress.org/plugins/google-calendar-events/
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Pages 9

Welcome to Simple Calendar ‹ Test site — WordPress

Page screenshot: Welcome to Simple Calendar ‹ Test site — WordPress
URL /wp-admin/index.php?page=simple-calendar_about#038;simcal_install=fresh
Requested URL /wp-admin/plugins.php?action=activate&plugin=google-calendar-events%2Fgoogle-calendar-events.php&plugin_status=all&paged=1&s&_wpnonce=cea9f16038
Aspect after-activation
HTTP status 200
Load time 0.870 s
Memory usage 4.26 MiB
JS errors None
Resource errors None

Calendars

Page screenshot: Calendars
URL /wp-admin/edit.php?post_type=calendar
Aspect menu-item
HTTP status 200
Load time 0.267 s
Memory usage 3.72 MiB
JS errors None
Resource errors None

Calendars → Add New Calendar

Page screenshot: Calendars → Add New Calendar
URL /wp-admin/post-new.php?post_type=calendar
Aspect menu-item
HTTP status 200
Load time 1.312 s
Memory usage 4.24 MiB
JS errors None
Resource errors None

Calendars → Categories

Page screenshot: Calendars → Categories
URL /wp-admin/edit-tags.php?taxonomy=calendar_category&post_type=calendar
Aspect menu-item
HTTP status 200
Load time 0.251 s
Memory usage 3.66 MiB
JS errors None
Resource errors None

Calendars → Settings

Page screenshot: Calendars → Settings
URL /wp-admin/edit.php?post_type=calendar&page=simple-calendar_settings
Aspect menu-item
HTTP status 200
Load time 0.273 s
Memory usage 3.74 MiB
JS errors None
Resource errors None

Calendars → Add-ons

Page screenshot: Calendars → Add-ons
URL https://simplecalendar.io/addons/?utm_source=inside-plugin#038;utm_medium=link&utm_campaign=core-plugin&utm_content=plugin-submenu-link
Requested URL /wp-admin/edit.php?post_type=calendar&page=simple-calendar_add_ons
Aspect menu-item
HTTP status 200
Load time 3.295 s
Memory usage N/A
JS errors
[
    {
        "message": "Error: Syntax error, unrecognized expression: #my-account-038;utm_medium=link&#038;utm_campaign=core-plugin&#038;utm_content=plugin-submenu-link\n    at Function.I.error (https://simplecalendar.io/wp-includes/js/jquery/jquery.min.js?ver=3.7.1:2:11769)\n    at Y (https://simplecalendar.io/wp-includes/js/jquery/jquery.min.js?ver=3.7.1:2:17234)\n    at re (https://simplecalendar.io/wp-includes/js/jquery/jquery.min.js?ver=3.7.1:2:20008)\n    at Function.I (https://simplecalendar.io/wp-includes/js/jquery/jquery.min.js?ver=3.7.1:2:7520)\n    at Function.<anonymous> (https://simplecalendar.io/wp-includes/js/jquery/jquery-migrate.min.js?ver=3.4.1:2:2898)\n    at Function.e.<computed> [as find] (https://simplecalendar.io/wp-includes/js/jquery/jquery-migrate.min.js?ver=3.4.1:2:1582)\n    at ce.fn.init.find (https://simplecalendar.io/wp-includes/js/jquery/jquery.min.js?ver=3.7.1:2:21991)\n    at e.<computed>.ce.fn.init (https://simplecalendar.io/wp-includes/js/jquery/jquery.min.js?ver=3.7.1:2:22483)\n    at e.<computed>.<anonymous> (https://simplecalendar.io/wp-includes/js/jquery/jquery-migrate.min.js?ver=3.4.1:2:2438)\n    at new e.<computed> (https://simplecalendar.io/wp-includes/js/jquery/jquery-migrate.min.js?ver=3.4.1:2:1582)",
        "trace": null,
        "code": null
    }
]
Resource errors None

Calendars → Tools

Page screenshot: Calendars → Tools
URL /wp-admin/edit.php?post_type=calendar&page=simple-calendar_tools
Aspect menu-item
HTTP status 200
Load time 1.488 s
Memory usage 4 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 0.390 s
Memory usage 3.56 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 1.431 s
Memory usage 5.99 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.446 s0.517 s+0.071 s3.51 MiB3.66 MiB+ 157.44 KiB
/wp-admin/edit.php0.238 s0.288 s+0.050 s3.57 MiB3.75 MiB+ 186.15 KiB
/wp-admin/post-new.php0.904 s1.137 s+0.233 s6.06 MiB6.28 MiB+ 228.41 KiB
/wp-admin/upload.php0.655 s0.376 s-0.279 s3.52 MiB3.66 MiB+ 144.11 KiB
/wp-admin/options-writing.php0.254 s0.248 s-0.006 s3.5 MiB3.65 MiB+ 147.48 KiB
/wp-admin/media-new.php0.309 s0.284 s-0.025 s3.49 MiB3.64 MiB+ 155.62 KiB
/wp-admin/edit-tags.php?taxonomy=category0.223 s0.373 s+0.150 s3.5 MiB3.66 MiB+ 160.76 KiB
/wp-admin/post-new.php?post_type=page0.666 s0.975 s+0.309 s6.05 MiB6.21 MiB+ 164.33 KiB
/wp-admin/options-discussion.php0.314 s0.336 s+0.022 s3.5 MiB3.64 MiB+ 143.98 KiB
/wp-admin/edit-comments.php0.578 s0.242 s-0.336 s3.52 MiB3.66 MiB+ 143.48 KiB
/0.354 s0.263 s-0.091 s3.43 MiB3.56 MiB+ 128.57 KiB
Average 0.449 s0.458 s+0.009 s3.97 MiB4.13 MiB+ 160.03 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
Language % Lines of code Comment lines Files
PHP87.5%12,4206,26774
CSS6.8%9601671
PO File5.5%7834551
SVG0.2%3301
Total 14,196 6,889 77

PHP Code Analysis | More results »

Lines of code 12,387
Total complexity 2,407
Median class complexity 24.0
Median method complexity 3.0
Most complex class SimpleCalendar\Browser
Most complex function SimpleCalendar\Events\Event_Builder::process_event_content()
Classes 64
Methods 465
Functions 41

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.

Options wp_options 3

Custom Post Types 1

ID Name
calendarCalendars

Sidebar Widgets 1

ID Name
gce_widgetSimple Calendar

Meta Boxes

{
    "calendar": {
        "simcal-calendar-settings": {
            "title": "Calendar Settings",
            "context": "normal"
        },
        "simcal-upgrade": {
            "title": "Looking for more?",
            "context": "side"
        },
        "simcal-get-shortcode": {
            "title": "Calendar Shortcode",
            "context": "side"
        }
    }
}

PHP Error Log 2 lines

[15-Jul-2025 23:38:45 UTC] PHP Deprecated:  version_compare(): Passing null to parameter #1 ($version1) of type string is deprecated in /wp-content/plugins/google-calendar-events/includes/update.php on line 69
[15-Jul-2025 23:38:45 UTC] PHP Deprecated:  version_compare(): Passing null to parameter #1 ($version1) of type string is deprecated in /wp-content/plugins/google-calendar-events/includes/update.php on line 69
See also: All tests for this plugin, How to Hide Simple Calendar Admin Menus and Meta Boxes