MC4WP: Mailchimp for WordPress 4.9.2

Does MC4WP: Mailchimp for WordPress work with WordPress 6.2 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: 137.15 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 version6.2
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=8ac466295e
Aspect after-activation
HTTP status 200
Load time 0.254 s
Memory usage 3.31 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 0.206 s
Memory usage 3.19 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 3.2 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 0.193 s
Memory usage 3.2 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 0.257 s
Memory usage 3.21 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 0.158 s
Memory usage 3.17 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 0.234 s
Memory usage 3.11 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 1.033 s
Memory usage 5.08 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.293 s0.261 s-0.032 s3.07 MiB3.23 MiB+ 155.36 KiB
/wp-admin/edit.php0.191 s0.185 s-0.006 s3.1 MiB3.25 MiB+ 153.21 KiB
/wp-admin/post-new.php0.774 s0.980 s+0.206 s5.02 MiB5.13 MiB+ 109.26 KiB
/wp-admin/upload.php0.524 s0.309 s-0.215 s3.02 MiB3.15 MiB+ 137.64 KiB
/wp-admin/options-writing.php0.151 s0.147 s-0.004 s3.02 MiB3.14 MiB+ 123.66 KiB
/wp-admin/media-new.php0.288 s0.149 s-0.139 s2.99 MiB3.14 MiB+ 149.09 KiB
/wp-admin/edit-tags.php?taxonomy=category0.179 s0.189 s+0.010 s3.01 MiB3.16 MiB+ 154.27 KiB
/wp-admin/post-new.php?post_type=page0.634 s0.716 s+0.082 s5.01 MiB5.12 MiB+ 104.9 KiB
/wp-admin/options-discussion.php0.213 s0.326 s+0.113 s3 MiB3.14 MiB+ 137.71 KiB
/wp-admin/edit-comments.php0.188 s0.217 s+0.029 s3.03 MiB3.16 MiB+ 136.94 KiB
/0.278 s0.222 s-0.056 s2.97 MiB3.11 MiB+ 146.56 KiB
Average 0.338 s0.336 s-0.001 s3.39 MiB3.52 MiB+ 137.15 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
Markdown
Language % Lines of code Comment lines Files
PHP88.1%8,0145,129122
Markdown10.0%91001
SVG1.0%9513
XML0.5%4401
JavaScript0.4%3219
CSS0.0%404
Total 9,099 5,131 140

PHP Code Analysis | More results »

Lines of code 6,509
Total complexity 1,309
Median class complexity 13.0
Median method complexity 1.0
Most complex class MC4WP_API_V3
Most complex function MC4WP_List_Data_Mapper::map_list()
Classes 64
Methods 524
Functions 50

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

[29-Mar-2023 19:04:36 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