Report - WPC Order Notes for WooCommerce 1.4.0

Does "WPC Order Notes for WooCommerce" work with WordPress 6.0.1 and PHP 7.4.8? A smoke test was performed on 2022-07-18 01:51:32 UTC.

Summary

Errors

14	PHP fatal errors
	No JavaScript exceptions
1	Page failed to load 1 500 Internal Server Error
	No resource errors

Performance

Memory usage: -19.84 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 version	6.0.1
PHP version	7.4.8
MySQL version	8.0.21
PHP memory limit	256M

Plugin Info

Last updated	2026-07-17T03:22:00+00:00
Active installs	900+
WordPress.org page	https://wordpress.org/plugins/woo-order-notes/
Badges	Get badge code

Pages 2

Plugins ‹ Test site — WordPress

URL	/wp-admin/plugins.php?activate=true&plugin_status=all&paged=1&s=
Requested URL	/wp-admin/plugins.php?action=activate&plugin=woo-order-notes%2Fwpc-order-notes.php&plugin_status=all&paged=1&s&_wpnonce=545df78618
Aspect	after-activation
HTTP status	500
Load time	0.284 s
Memory usage	N/A
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.257 s
Memory usage	3.58 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/	0.296 s	0.188 s	-0.108 s	3.6 MiB	3.58 MiB	- 19.84 KiB
Average	0.296 s	0.188 s	-0.108 s	3.6 MiB	3.58 MiB	- 19.84 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

CSS

JavaScript

Language		%	Lines of code	Comment lines	Files
	PHP	59.2%	933	28	6
	CSS	30.5%	480	8	4
	JavaScript	10.3%	162	2	2
	SVG	0.1%	1	0	1
Total			1,576	38	13

PHP Code Analysis | More results »

Lines of code	935
Total complexity	105
Median class complexity	12.0
Median method complexity	1.0
Most complex class	WPCleverWooon
Most complex function	WPCleverKit::settings_page()

Classes	5
Methods	33
Functions	0

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.

No new entries found.

PHP Error Log 128 lines

[18-Jul-2022 01:51:53 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function WC() in /wp-content/plugins/woo-order-notes/wpc-order-notes.php:168
Stack trace:
#0 /wp-includes/class-wp-hook.php(307): WPCleverWooon->admin_enqueue_scripts()
#1 /wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters()
#2 /wp-includes/plugin.php(476): WP_Hook->do_action()
#3 /wp-admin/admin-header.php(118): do_action()
#4 /wp-admin/plugins.php(605): require_once('/opt/bitnami/ap...')
#5 {main}
  thrown in /wp-content/plugins/woo-order-notes/wpc-order-notes.php on line 168
[18-Jul-2022 01:51:53 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function WC() in /wp-content/plugins/woo-order-notes/wpc-order-notes.php:168
Stack trace:
#0 /wp-includes/class-wp-hook.php(307): WPCleverWooon->admin_enqueue_scripts()
#1 /wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters()
#2 /wp-includes/plugin.php(476): WP_Hook->do_action()
#3 /wp-admin/admin-header.php(118): do_action()
#4 /wp-admin/index.php(137): require_once('/opt/bitnami/ap...')
#5 {main}
  thrown in /wp-content/plugins/woo-order-notes/wpc-order-notes.php on line 168
[18-Jul-2022 01:51:55 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function WC() in /wp-content/plugins/woo-order-notes/wpc-order-notes.php:168
Stack trace:
#0 /wp-includes/class-wp-hook.php(307): WPCleverWooon->admin_enqueue_scripts()
#1 /wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters()
#2 /wp-includes/plugin.php(476): WP_Hook->do_action()
#3 /wp-admin/admin-header.php(118): do_action()
#4 /wp-admin/index.php(137): require_once('/opt/bitnami/ap...')
#5 {main}
  thrown in /wp-content/plugins/woo-order-notes/wpc-order-notes.php on line 168
[18-Jul-2022 01:51:55 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function WC() in /wp-content/plugins/woo-order-notes/wpc-order-notes.php:168
Stack trace:
#0 /wp-includes/class-wp-hook.php(307): WPCleverWooon->admin_enqueue_scripts()
#1 /wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters()
#2 /wp-includes/plugin.php(476): WP_Hook->do_action()
#3 /wp-admin/admin-header.php(118): do_action()
#4 /wp-admin/edit.php(397): require_once('/opt/bitnami/ap...')
#5 {main}
  thrown in /wp-content/plugins/woo-order-notes/wpc-order-notes.php on line 168
[18-Jul-2022 01:51:55 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function WC() in /wp-content/plugins/woo-order-notes/wpc-order-notes.php:168
Stack trace:
#0 /wp-includes/class-wp-hook.php(307): WPCleverWooon->admin_enqueue_scripts()
#1 /wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters()
#2 /wp-includes/plugin.php(476): WP_Hook->do_action()
#3 /wp-admin/admin-header.php(118): do_action()
#4 /wp-admin/edit-form-blocks.php(307): require_once('/opt/bitnami/ap...')
#5 /wp-admin/post-new.php(72): require('/opt/bitnami/ap...')
#6 {main}
  thrown in /wp-content/plugins/woo-order-notes/wpc-order-notes.php on line 168
[18-Jul-2022 01:51:55 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function WC() in /wp-content/plugins/woo-order-notes/wpc-order-notes.php:168
Stack trace:
#0 /wp-includes/class-wp-hook.php(307): WPCleverWooon->admin_enqueue_scripts()
#1 /wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters()
#2 /wp-includes/plugin.php(476): WP_Hook->do_action()
#3 /wp-admin/admin-header.php(118): do_action()
#4 /wp-admin/upload.php(83): require_once('/opt/bitnami/ap...')
#5 {main}
  thrown in /wp-content/plugins/woo-order-notes/wpc-order-notes.php on line 168
[18-Jul-2022 01:51:55 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function WC() in /wp-content/plugins/woo-order-notes/wpc-order-notes.php:168
Stack trace:
#0 /wp-includes/class-wp-hook.php(307): WPCleverWooon->admin_enqueue_scripts()
#1 /wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters()
#2 /wp-includes/plugin.php(476): WP_Hook->do_action()
#3 /wp-admin/admin-header.php(118): do_action()
#4 /wp-admin/options-writing.php(57): require_once('/opt/bitnami/ap...')
#5 {main}
  thrown in /wp-content/plugins/woo-order-notes/wpc-order-notes.php on line 168
[18-Jul-2022 01:51:55 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function WC() in /wp-content/plugins/woo-order-notes/wpc-order-notes.php:168
Stack trace:
#0 /wp-includes/class-wp-hook.php(307): WPCleverWooon->admin_enqueue_scripts()
#1 /wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters()
#2 /wp-includes/plugin.php(476): WP_Hook->do_action()
#3 /wp-admin/admin-header.php(118): do_action()
#4 /wp-admin/media-new.php(65): require_once('/opt/bitnami/ap...')
#5 {main}
  thrown in /wp-content/plugins/woo-order-notes/wpc-order-notes.php on line 168
[18-Jul-2022 01:51:55 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function WC() in /wp-content/plugins/woo-order-notes/wpc-order-notes.php:168
Stack trace:
#0 /wp-includes/class-wp-hook.php(307): WPCleverWooon->admin_enqueue_scripts()
#1 /wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters()
#2 /wp-includes/plugin.php(476): WP_Hook->do_action()
#3 /wp-admin/admin-header.php(118): do_action()
#4 /wp-admin/edit-tags.php(321): require_once('/opt/bitnami/ap...')
#5 {main}
  thrown in /wp-content/plugins/woo-order-notes/wpc-order-notes.php on line 168
[18-Jul-2022 01:51:55 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function WC() in /wp-content/plugins/woo-order-notes/wpc-order-notes.php:168
Stack trace:
#0 /wp-includes/class-wp-hook.php(307): WPCleverWooon->admin_enqueue_scripts()
#1 /wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters()
#2 /wp-includes/plugin.php(476): WP_Hook->do_action()
#3 /wp-admin/admin-header.php(118): do_action()
#4 /wp-admin/edit-form-blocks.php(307): require_once('/opt/bitnami/ap...')
#5 /wp-admin/post-new.php(72): require('/opt/bitnami/ap...')
#6 {main}
  thrown in /wp-content/plugins/woo-order-notes/wpc-order-notes.php on line 168
[18-Jul-2022 01:51:55 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function WC() in /wp-content/plugins/woo-order-notes/wpc-order-notes.php:168
Stack trace:
#0 /wp-includes/class-wp-hook.php(307): WPCleverWooon->admin_enqueue_scripts()
#1 /wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters()
#2 /wp-includes/plugin.php(476): WP_Hook->do_action()
#3 /wp-admin/admin-header.php(118): do_action()
#4 /wp-admin/options-discussion.php(36): require_once('/opt/bitnami/ap...')
#5 {main}

(+28 more lines)