Report - Flexible Shipping 6.4.5

Does Flexible Shipping work with WordPress 6.9 and PHP 8.1.12? A smoke test was performed on 2025-12-02 23:31:05 UTC.

Summary

Errors

4	PHP deprecation warnings
	No JavaScript exceptions
	All test pages loaded successfully
	No resource errors

Performance

Memory usage: 26.75 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	6.9
PHP version	8.1.12
MySQL version	10.6.10
PHP memory limit	512M

Plugin Info

Last updated	2026-02-26T18:07:00+00:00
Active installs	100,000+
WordPress.org page	https://wordpress.org/plugins/flexible-shipping/
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=flexible-shipping%2Fflexible-shipping.php&plugin_status=all&paged=1&s&_wpnonce=b8dc08c0af
Aspect	after-activation
HTTP status	200
Load time	0.371 s
Memory usage	3.75 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.227 s
Memory usage	4.14 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.473 s	0.338 s	-0.135 s	3.78 MiB	3.8 MiB	+ 24.23 KiB
/wp-admin/edit.php	0.342 s	0.296 s	-0.046 s	3.78 MiB	3.82 MiB	+ 37.57 KiB
/wp-admin/post-new.php	0.760 s	0.726 s	-0.034 s	6.31 MiB	6.4 MiB	+ 92.25 KiB
/wp-admin/upload.php	0.434 s	0.474 s	+0.040 s	3.74 MiB	3.75 MiB	+ 8.95 KiB
/wp-admin/options-writing.php	0.328 s	0.288 s	-0.040 s	3.71 MiB	3.72 MiB	+ 12.95 KiB
/wp-admin/media-new.php	0.519 s	0.330 s	-0.189 s	3.7 MiB	3.72 MiB	+ 21.14 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.317 s	0.288 s	-0.029 s	3.72 MiB	3.75 MiB	+ 31.81 KiB
/wp-admin/post-new.php?post_type=page	0.695 s	0.669 s	-0.026 s	6.3 MiB	6.32 MiB	+ 23.78 KiB
/wp-admin/options-discussion.php	0.326 s	0.406 s	+0.080 s	3.71 MiB	3.72 MiB	+ 9.45 KiB
/wp-admin/edit-comments.php	0.322 s	0.336 s	+0.014 s	3.73 MiB	3.74 MiB	+ 8.95 KiB
/	0.285 s	0.195 s	-0.090 s	4.12 MiB	4.14 MiB	+ 23.17 KiB
Average	0.436 s	0.395 s	-0.041 s	4.24 MiB	4.26 MiB	+ 26.75 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	86.9%	32,109	19,437	755
	JSON	5.3%	1,955	0	37
	SVG	4.8%	1,769	4	44
	JavaScript	2.3%	856	75	26
	CSS	0.7%	268	3	14
Total			36,957	19,519	876

PHP Code Analysis | More results »

Lines of code	8,742
Total complexity	1,613
Median class complexity	6.0
Median method complexity	1.0
Most complex class	WPDesk_Flexible_Shipping
Most complex function	WPDesk_Flexible_Shipping::admin_options()

Classes	167
Methods	698
Functions	9

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` 2

activation_plugin_flexible-shipping/flexible-shipping.php
wpdesk_requirements_plugins_data

PHP Error Log 4 lines

[02-Dec-2025 23:31:25 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[02-Dec-2025 23:31:25 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[02-Dec-2025 23:31:34 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[02-Dec-2025 23:31:34 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131

Flexible Shipping 6.4.5