ICS Calendar 11.7.0.4

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

Summary

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

Memory usage: 69.76 KiB
The average PHP memory usage increased by this amount after activating by the plugin.

Page speed impact: 0.026 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 10,000+
WordPress.org page https://wordpress.org/plugins/ics-calendar/
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Pages 3

ICS Calendar ‹ Test site — WordPress

Page screenshot: ICS Calendar ‹ Test site — WordPress
URL /wp-admin/admin.php?page=ics-calendar
Requested URL /wp-admin/plugins.php?action=activate&plugin=ics-calendar%2Fics-calendar.php&plugin_status=all&paged=1&s&_wpnonce=3500fbfb5d
Aspect after-activation
HTTP status 200
Load time 0.744 s
Memory usage 3.77 MiB
JS errors None
Resource errors None

ICS Calendar

Page screenshot: ICS Calendar
URL /wp-admin/admin.php?page=ics-calendar
Aspect menu-item
HTTP status 200
Load time 0.361 s
Memory usage 3.75 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 0.231 s
Memory usage 4.17 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.448 s0.387 s-0.061 s3.77 MiB3.86 MiB+ 84.38 KiB
/wp-admin/edit.php0.373 s0.463 s+0.090 s3.78 MiB3.9 MiB+ 119.18 KiB
/wp-admin/post-new.php0.881 s0.920 s+0.039 s6.3 MiB6.41 MiB+ 105.39 KiB
/wp-admin/upload.php0.477 s0.691 s+0.214 s3.74 MiB3.78 MiB+ 40.71 KiB
/wp-admin/options-writing.php0.346 s0.325 s-0.021 s3.71 MiB3.75 MiB+ 44.7 KiB
/wp-admin/media-new.php0.529 s0.323 s-0.206 s3.7 MiB3.75 MiB+ 52.9 KiB
/wp-admin/edit-tags.php?taxonomy=category0.350 s0.508 s+0.158 s3.71 MiB3.77 MiB+ 63.26 KiB
/wp-admin/post-new.php?post_type=page0.702 s0.733 s+0.031 s6.29 MiB6.39 MiB+ 98.82 KiB
/wp-admin/options-discussion.php0.344 s0.442 s+0.098 s3.71 MiB3.75 MiB+ 41.2 KiB
/wp-admin/edit-comments.php0.340 s0.342 s+0.002 s3.73 MiB3.77 MiB+ 40.7 KiB
/0.292 s0.236 s-0.056 s4.1 MiB4.17 MiB+ 76.07 KiB
Average 0.462 s0.488 s+0.026 s4.23 MiB4.3 MiB+ 69.76 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.

PO File
PHP
Language % Lines of code Comment lines Files
PO File81.6%28,95916,74039
PHP15.7%5,5611,31460
JavaScript1.6%5631072
CSS1.1%38592
SVG0.0%707
Total 35,475 18,170 110

PHP Code Analysis | More results »

Lines of code 4,057
Total complexity 1,341
Median class complexity 780.0
Median method complexity 4.5
Most complex class R34ICS
Most complex function R34ICS::display_calendar()
Classes 1
Methods 62
Functions 90

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 7

PHP Error Log 1 lines

[08-Dec-2025 15:54:47 UTC] PHP Notice:  Function _load_textdomain_just_in_time was called <strong>incorrectly</strong>. Translation loading for the <code>ics-calendar</code> domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the <code>init</code> action or later. 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 6.7.0.) in /wp-includes/functions.php on line 6131
See also: All tests for this plugin, How to Hide the "ICS Calendar" Admin Menu