MC4WP: Mailchimp for WordPress 4.9.4

Does MC4WP: Mailchimp for WordPress work with WordPress 6.2.2 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: 121.51 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 version6.2.2
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=ef76b29e6d
Aspect after-activation
HTTP status 200
Load time 0.265 s
Memory usage 3.3 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 0.205 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 0.187 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 0.180 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 0.200 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 0.164 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 0.269 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 1.000 s
Memory usage 5.03 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.289 s0.334 s+0.045 s3.07 MiB3.22 MiB+ 155.36 KiB
/wp-admin/edit.php0.209 s0.232 s+0.023 s3.1 MiB3.25 MiB+ 153.21 KiB
/wp-admin/post-new.php0.820 s0.814 s-0.006 s5.02 MiB5.07 MiB+ 54.15 KiB
/wp-admin/upload.php0.871 s0.370 s-0.501 s3.02 MiB3.15 MiB+ 137.63 KiB
/wp-admin/options-writing.php0.181 s0.147 s-0.034 s3.01 MiB3.13 MiB+ 123.66 KiB
/wp-admin/media-new.php0.283 s0.158 s-0.125 s2.99 MiB3.14 MiB+ 149.09 KiB
/wp-admin/edit-tags.php?taxonomy=category0.196 s0.186 s-0.010 s3.01 MiB3.16 MiB+ 154.27 KiB
/wp-admin/post-new.php?post_type=page0.633 s0.620 s-0.013 s5.01 MiB5.06 MiB+ 49.73 KiB
/wp-admin/options-discussion.php0.230 s0.257 s+0.027 s3 MiB3.13 MiB+ 137.71 KiB
/wp-admin/edit-comments.php0.254 s0.207 s-0.047 s3.03 MiB3.16 MiB+ 136.94 KiB
/0.324 s0.202 s-0.122 s3.03 MiB3.11 MiB+ 84.88 KiB
Average 0.390 s0.321 s-0.069 s3.39 MiB3.51 MiB+ 121.51 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
PHP88.0%8,0275,130122
Markdown10.0%91601
SVG1.0%9513
XML0.5%4401
JavaScript0.4%3219
CSS0.0%404
Total 9,118 5,132 140

PHP Code Analysis | More results »

Lines of code 6,517
Total complexity 1,310
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

[20-May-2023 06:35:01 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