MainWP Child 6.1.7

Does MainWP Child work with WordPress 7.1 and PHP 8.1.12? A smoke test was performed on .

Summary

Errors
4PHP warnings
1PHP notices
2PHP deprecation warnings
No JavaScript exceptions
All test pages loaded successfully
No resource errors
Performance

Memory usage: 245.99 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 version7.1
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
Plugin Info
Last updated
Active installs 700,000+
WordPress.org page https://wordpress.org/plugins/mainwp-child/
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Pages 3

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=mainwp-child%2Fmainwp-child.php&plugin_status=all&paged=1&s&_wpnonce=eed413da73
Aspect after-activation
HTTP status 200
Load time 0.922 s
Memory usage 5.71 MiB
JS errors None
Resource errors None

Settings → MainWP Child

Page screenshot: Settings → MainWP Child
URL /wp-admin/options-general.php?page=mainwp_child_tab
Aspect menu-item
HTTP status 200
Load time 1.548 s
Memory usage 4.52 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 0.357 s
Memory usage 4.82 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php1.570 s0.793 s-0.777 s4.22 MiB4.49 MiB+ 268.08 KiB
/wp-admin/edit.php0.560 s0.591 s+0.031 s4.28 MiB4.53 MiB+ 250.16 KiB
/wp-admin/post-new.php2.430 s2.059 s-0.371 s6.78 MiB7.05 MiB+ 273.16 KiB
/wp-admin/upload.php1.350 s0.991 s-0.359 s4.25 MiB4.47 MiB+ 232.74 KiB
/wp-admin/options-writing.php0.586 s0.558 s-0.028 s4.22 MiB4.45 MiB+ 236.73 KiB
/wp-admin/media-new.php0.894 s0.570 s-0.324 s4.21 MiB4.45 MiB+ 244.93 KiB
/wp-admin/edit-tags.php?taxonomy=category0.567 s0.790 s+0.223 s4.22 MiB4.47 MiB+ 250.1 KiB
/wp-admin/post-new.php?post_type=page1.930 s1.798 s-0.132 s6.76 MiB7.02 MiB+ 265.97 KiB
/wp-admin/options-discussion.php0.932 s0.987 s+0.055 s4.23 MiB4.45 MiB+ 229.24 KiB
/wp-admin/edit-comments.php0.583 s0.547 s-0.036 s4.24 MiB4.47 MiB+ 232.75 KiB
/0.450 s0.253 s-0.197 s4.6 MiB4.82 MiB+ 221.98 KiB
Average 1.077 s0.903 s-0.174 s4.73 MiB4.97 MiB+ 245.99 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
PO File
Language % Lines of code Comment lines Files
PHP83.2%44,61420,22697
PO File16.8%9,0234,4704
JSON0.0%1101
Total 53,648 24,696 102

PHP Code Analysis | More results »

Lines of code 43,997
Total complexity 11,898
Median class complexity 75.0
Median method complexity 3.0
Most complex class MainWP_Child_Updraft_Plus_Backups
Most complex function MainWP_Child_Wordfence::get_diagnostics()
Classes 97
Methods 1,883
Functions 17

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.

Database Tables 2

Options wp_options 14

User Metadata wp_usermeta 1

PHP Error Log 7 lines

[19-Aug-2026 21:56:20 UTC] PHP Notice:  Function _load_textdomain_just_in_time was called <strong>incorrectly</strong>. Translation loading for the <code>mainwp-child</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 6260
[19-Aug-2026 21:56:21 UTC] PHP Warning:  Undefined array key "HTTP_HOST" in /wp-config.php on line 174
[19-Aug-2026 21:56:21 UTC] PHP Warning:  Undefined array key "HTTP_HOST" in /wp-config.php on line 175
[19-Aug-2026 21:56:21 UTC] PHP Deprecated:  strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in /wp-includes/link-template.php on line 4881
[19-Aug-2026 21:56:24 UTC] PHP Warning:  Undefined array key "HTTP_HOST" in /wp-config.php on line 174
[19-Aug-2026 21:56:24 UTC] PHP Warning:  Undefined array key "HTTP_HOST" in /wp-config.php on line 175
[19-Aug-2026 21:56:24 UTC] PHP Deprecated:  strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in /wp-includes/link-template.php on line 4881
See also: All tests for this plugin, How to Hide the "MainWP Child" Admin Menu