MC4WP: Mailchimp for WordPress 4.8.12

Does MC4WP: Mailchimp for WordPress work with WordPress 6.1.1 and PHP 8.1.12? A smoke test was performed on .

Summary

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

Memory usage: 142.86 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 version6.1.1
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
Plugin Info
Last updated
Active installs 2,000,000+
WordPress.org page https://wordpress.org/plugins/mailchimp-for-wp/
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Pages 8

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=mailchimp-for-wp%2Fmailchimp-for-wp.php&plugin_status=all&paged=1&s&_wpnonce=ba06fb6ff2
Aspect after-activation
HTTP status 200
Load time 0.299 s
Memory usage 3.28 MiB
JS errors None
Resource errors None

MC4WP

Page screenshot: MC4WP
URL /wp-admin/admin.php?page=mailchimp-for-wp
Aspect menu-item
HTTP status 200
Load time 0.336 s
Memory usage 3.16 MiB
JS errors None
Resource errors None

MC4WP → Form

Page screenshot: MC4WP → Form
URL /wp-admin/admin.php?page=mailchimp-for-wp-forms&view=add-form
Requested URL /wp-admin/admin.php?page=mailchimp-for-wp-forms
Aspect menu-item
HTTP status 200
Load time 0.201 s
Memory usage 3.17 MiB
JS errors None
Resource errors None

MC4WP → Integrations

Page screenshot: MC4WP → Integrations
URL /wp-admin/admin.php?page=mailchimp-for-wp-integrations
Aspect menu-item
HTTP status 200
Load time 0.179 s
Memory usage 3.18 MiB
JS errors None
Resource errors None

MC4WP → Other

Page screenshot: MC4WP → Other
URL /wp-admin/admin.php?page=mailchimp-for-wp-other
Aspect menu-item
HTTP status 200
Load time 0.206 s
Memory usage 3.18 MiB
JS errors None
Resource errors None

MC4WP → Add-ons

Page screenshot: MC4WP → Add-ons
URL /wp-admin/admin.php?page=mailchimp-for-wp-extensions
Aspect menu-item
HTTP status 200
Load time 0.163 s
Memory usage 3.15 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 0.229 s
Memory usage 3.03 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 1.346 s
Memory usage 4.99 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.674 s0.263 s-0.411 s3.05 MiB3.2 MiB+ 161.08 KiB
/wp-admin/edit.php0.196 s0.194 s-0.002 s3.07 MiB3.23 MiB+ 159.24 KiB
/wp-admin/post-new.php0.791 s1.012 s+0.221 s4.97 MiB5.08 MiB+ 115.55 KiB
/wp-admin/upload.php0.558 s0.296 s-0.262 s2.99 MiB3.13 MiB+ 143.67 KiB
/wp-admin/options-writing.php0.175 s0.149 s-0.026 s2.99 MiB3.11 MiB+ 129.59 KiB
/wp-admin/media-new.php0.296 s0.335 s+0.039 s2.97 MiB3.12 MiB+ 155.12 KiB
/wp-admin/edit-tags.php?taxonomy=category0.194 s0.237 s+0.043 s2.98 MiB3.14 MiB+ 160.3 KiB
/wp-admin/post-new.php?post_type=page0.818 s0.601 s-0.217 s4.96 MiB5.07 MiB+ 111.18 KiB
/wp-admin/options-discussion.php0.207 s0.199 s-0.008 s2.97 MiB3.12 MiB+ 143.74 KiB
/wp-admin/edit-comments.php0.215 s0.201 s-0.014 s3 MiB3.14 MiB+ 142.97 KiB
/0.294 s0.212 s-0.082 s2.94 MiB3.09 MiB+ 149.06 KiB
Average 0.402 s0.336 s-0.065 s3.35 MiB3.49 MiB+ 142.86 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
JavaScript
CSS
Language % Lines of code Comment lines Files
PHP69.0%8,3785,402123
JavaScript14.0%1,70431136
CSS8.1%982408
Markdown7.3%88801
SVG0.8%9513
XML0.7%9102
Total 12,138 5,754 173

PHP Code Analysis | More results »

Lines of code 6,966
Total complexity 1,411
Median class complexity 13.5
Median method complexity 1.0
Most complex class MC4WP_API_V3
Most complex function _mc4wp_update_groupings_data()
Classes 66
Methods 557
Functions 56

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 4

Custom Post Types 1

ID Name
mc4wp-formMailchimp Sign-up Forms

Sidebar Widgets 1

ID Name
mc4wp_form_widgetMailchimp Sign-Up Form

PHP Error Log 1 lines

[21-Dec-2022 08:42:04 UTC] PHP Deprecated:  Automatic conversion of false to array is deprecated in /wp-content/plugins/mailchimp-for-wp/includes/admin/class-review-notice.php on line 85
See also: All tests for this plugin, How to Hide MC4WP: Mailchimp for WordPress Admin Menus