Report - Serial Numbers for WooCommerce 1.4.3

Does Serial Numbers for WooCommerce work with WordPress 6.1.1 and PHP 8.1.12? A smoke test was performed on 2023-01-16 13:32:11 UTC.

Summary

Errors

2	PHP fatal errors
19	PHP deprecation warnings
	No JavaScript exceptions
1	Page failed to load 1 500 Internal Server Error
	No resource errors

Performance

Memory usage: 68.73 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	6.1.1
PHP version	8.1.12
MySQL version	10.6.10
PHP memory limit	512M

Plugin Info

Last updated	2025-06-19T09:50:00+00:00
Active installs	1,000+
WordPress.org page	https://wordpress.org/plugins/wc-serial-numbers/
Badges	Get badge code

Pages 2

Plugins ‹ Test site — WordPress

URL	/wp-admin/plugins.php?plugin_status=all&paged=1&s
Requested URL	/wp-admin/plugins.php?action=activate&plugin=wc-serial-numbers%2Fwc-serial-numbers.php&plugin_status=all&paged=1&s&_wpnonce=c415a0bd35
Aspect	after-activation
HTTP status	200
Load time	0.356 s
Memory usage	3.07 MiB
JS errors	None
Resource errors	None

WordPress › Error

URL	/
Aspect	front-page
HTTP status	500
Load time	0.085 s
Memory usage	N/A
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.340 s	0.499 s	+0.159 s	3.05 MiB	3.12 MiB	+ 75.74 KiB
/wp-admin/edit.php	0.210 s	0.371 s	+0.161 s	3.08 MiB	3.15 MiB	+ 73.93 KiB
/wp-admin/post-new.php	0.853 s	0.998 s	+0.145 s	4.97 MiB	5.05 MiB	+ 86.39 KiB
/wp-admin/upload.php	0.575 s	0.327 s	-0.248 s	2.99 MiB	3.05 MiB	+ 59.94 KiB
/wp-admin/options-writing.php	0.380 s	0.167 s	-0.213 s	2.99 MiB	3.03 MiB	+ 46.59 KiB
/wp-admin/media-new.php	0.287 s	0.250 s	-0.037 s	2.97 MiB	3.04 MiB	+ 71.4 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.167 s	0.206 s	+0.039 s	2.98 MiB	3.06 MiB	+ 76.48 KiB
/wp-admin/post-new.php?post_type=page	0.646 s	0.665 s	+0.019 s	4.96 MiB	5.04 MiB	+ 77.98 KiB
/wp-admin/options-discussion.php	0.217 s	0.289 s	+0.072 s	2.98 MiB	3.04 MiB	+ 60.44 KiB
/wp-admin/edit-comments.php	0.205 s	0.189 s	-0.016 s	3 MiB	3.06 MiB	+ 58.41 KiB
Average	0.388 s	0.396 s	+0.008 s	3.4 MiB	3.46 MiB	+ 68.73 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

Language		%	Lines of code	Comment lines	Files
	PHP	97.4%	4,520	2,862	38
	JavaScript	2.6%	121	7	1
	XML	0.0%	2	0	1
Total			4,643	2,869	40

PHP Code Analysis | More results »

Lines of code	4,441
Total complexity	942
Median class complexity	15.5
Median method complexity	1.0
Most complex class	WC_Serial_Numbers_Query
Most complex function	wc_serial_numbers_insert_serial_number()

Classes	26
Methods	275
Functions	38

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

wp_serial_numbers
wp_serial_numbers_activations

Options `wp_options` 14

wc_serial_numbers_autocomplete_order
wc_serial_numbers_disable_software_support
wc_serial_numbers_enable_stock_notification
wc_serial_numbers_hide_serial_number
wc_serial_numbers_install_date
wc_serial_numbers_notices
wc_serial_numbers_notification_recipient
wc_serial_numbers_reuse_serial_number
wc_serial_numbers_revoke_status_cancelled
wc_serial_numbers_revoke_status_failed
wc_serial_numbers_revoke_status_refunded
wc_serial_numbers_stock_threshold
wc_serial_numbers_version
wcsn_pkey

Meta Boxes

{
    "shop_order": {
        "order-serial-numbers": {
            "title": "Serial Numbers",
            "context": "advanced"
        }
    }
}

PHP Error Log 39 lines

[16-Jan-2023 13:32:28 UTC] PHP Deprecated:  Constant FILTER_SANITIZE_STRING is deprecated in /wp-content/plugins/wc-serial-numbers/lib/Lib/Plugin.php on line 160
[16-Jan-2023 13:32:29 UTC] PHP Deprecated:  Constant FILTER_SANITIZE_STRING is deprecated in /wp-content/plugins/wc-serial-numbers/lib/Lib/Plugin.php on line 160
[16-Jan-2023 13:32:29 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function is_checkout() in /wp-content/plugins/wc-serial-numbers/includes/class-wc-serial-numbers-order-handler.php:87
Stack trace:
#0 /wp-includes/class-wp-hook.php(308): WC_Serial_Numbers_Handler::maybe_autocomplete_order()
#1 /wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters()
#2 /wp-includes/plugin.php(517): WP_Hook->do_action()
#3 /wp-includes/template-loader.php(13): do_action()
#4 /wp-blog-header.php(19): require_once('...')
#5 /index.php(17): require('...')
#6 {main}
  thrown in /wp-content/plugins/wc-serial-numbers/includes/class-wc-serial-numbers-order-handler.php on line 87
[16-Jan-2023 13:32:30 UTC] PHP Deprecated:  Constant FILTER_SANITIZE_STRING is deprecated in /wp-content/plugins/wc-serial-numbers/lib/Lib/Plugin.php on line 160
[16-Jan-2023 13:32:30 UTC] PHP Deprecated:  Constant FILTER_SANITIZE_STRING is deprecated in /wp-content/plugins/wc-serial-numbers/lib/Lib/Plugin.php on line 160
[16-Jan-2023 13:32:31 UTC] PHP Deprecated:  Constant FILTER_SANITIZE_STRING is deprecated in /wp-content/plugins/wc-serial-numbers/lib/Lib/Plugin.php on line 160
[16-Jan-2023 13:32:31 UTC] PHP Deprecated:  Constant FILTER_SANITIZE_STRING is deprecated in /wp-content/plugins/wc-serial-numbers/lib/Lib/Plugin.php on line 160
[16-Jan-2023 13:32:33 UTC] PHP Deprecated:  Constant FILTER_SANITIZE_STRING is deprecated in /wp-content/plugins/wc-serial-numbers/lib/Lib/Plugin.php on line 160
[16-Jan-2023 13:32:33 UTC] PHP Deprecated:  Constant FILTER_SANITIZE_STRING is deprecated in /wp-content/plugins/wc-serial-numbers/lib/Lib/Plugin.php on line 160
[16-Jan-2023 13:32:34 UTC] PHP Deprecated:  Constant FILTER_SANITIZE_STRING is deprecated in /wp-content/plugins/wc-serial-numbers/lib/Lib/Plugin.php on line 160
[16-Jan-2023 13:32:34 UTC] PHP Deprecated:  Constant FILTER_SANITIZE_STRING is deprecated in /wp-content/plugins/wc-serial-numbers/lib/Lib/Plugin.php on line 160
[16-Jan-2023 13:32:34 UTC] PHP Deprecated:  Constant FILTER_SANITIZE_STRING is deprecated in /wp-content/plugins/wc-serial-numbers/lib/Lib/Plugin.php on line 160
[16-Jan-2023 13:32:34 UTC] PHP Deprecated:  Constant FILTER_SANITIZE_STRING is deprecated in /wp-content/plugins/wc-serial-numbers/lib/Lib/Plugin.php on line 160
[16-Jan-2023 13:32:34 UTC] PHP Deprecated:  Constant FILTER_SANITIZE_STRING is deprecated in /wp-content/plugins/wc-serial-numbers/lib/Lib/Plugin.php on line 160
[16-Jan-2023 13:32:37 UTC] PHP Deprecated:  Constant FILTER_SANITIZE_STRING is deprecated in /wp-content/plugins/wc-serial-numbers/lib/Lib/Plugin.php on line 160
[16-Jan-2023 13:32:37 UTC] PHP Deprecated:  Constant FILTER_SANITIZE_STRING is deprecated in /wp-content/plugins/wc-serial-numbers/lib/Lib/Plugin.php on line 160
[16-Jan-2023 13:32:37 UTC] PHP Deprecated:  Constant FILTER_SANITIZE_STRING is deprecated in /wp-content/plugins/wc-serial-numbers/lib/Lib/Plugin.php on line 160
[16-Jan-2023 13:32:37 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function is_checkout() in /wp-content/plugins/wc-serial-numbers/includes/class-wc-serial-numbers-order-handler.php:87
Stack trace:
#0 /wp-includes/class-wp-hook.php(308): WC_Serial_Numbers_Handler::maybe_autocomplete_order()
#1 /wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters()
#2 /wp-includes/plugin.php(517): WP_Hook->do_action()
#3 /wp-includes/template-loader.php(13): do_action()
#4 /wp-blog-header.php(19): require_once('...')
#5 /index.php(17): require('...')
#6 {main}
  thrown in /wp-content/plugins/wc-serial-numbers/includes/class-wc-serial-numbers-order-handler.php on line 87
[16-Jan-2023 13:32:37 UTC] PHP Deprecated:  Constant FILTER_SANITIZE_STRING is deprecated in /wp-content/plugins/wc-serial-numbers/lib/Lib/Plugin.php on line 160
[16-Jan-2023 13:32:38 UTC] PHP Deprecated:  Constant FILTER_SANITIZE_STRING is deprecated in /wp-content/plugins/wc-serial-numbers/lib/Lib/Plugin.php on line 160
[16-Jan-2023 13:32:38 UTC] PHP Deprecated:  Constant FILTER_SANITIZE_STRING is deprecated in /wp-content/plugins/wc-serial-numbers/lib/Lib/Plugin.php on line 160

Serial Numbers for WooCommerce 1.4.3