Proxy Cache Purge 5.3.0

Does Proxy Cache Purge work with WordPress 6.9 and PHP 8.1.12? A smoke test was performed on .

Summary

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

Memory usage: 58.11 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 version6.9
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
Plugin Info
Last updated
Active installs 40,000+
WordPress.org page https://wordpress.org/plugins/varnish-http-purge/
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Pages 4

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=varnish-http-purge%2Fvarnish-http-purge.php&plugin_status=all&paged=1&s&_wpnonce=6ba6f57963
Aspect after-activation
HTTP status 200
Load time 0.391 s
Memory usage 3.79 MiB
JS errors None
Resource errors None

Proxy Cache

Page screenshot: Proxy Cache
URL /wp-admin/admin.php?page=varnish-page
Aspect menu-item
HTTP status 200
Load time 0.306 s
Memory usage 3.76 MiB
JS errors None
Resource errors None

Proxy Cache → Check Caching

Page screenshot: Proxy Cache → Check Caching
URL /wp-admin/admin.php?page=varnish-check-caching
Aspect menu-item
HTTP status 200
Load time 0.288 s
Memory usage 3.76 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 0.207 s
Memory usage 4.16 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.485 s0.391 s-0.094 s3.78 MiB3.85 MiB+ 71.79 KiB
/wp-admin/edit.php0.392 s0.447 s+0.055 s3.78 MiB3.85 MiB+ 64.1 KiB
/wp-admin/post-new.php0.828 s0.904 s+0.076 s6.31 MiB6.38 MiB+ 72.58 KiB
/wp-admin/upload.php0.479 s0.434 s-0.045 s3.74 MiB3.79 MiB+ 46.7 KiB
/wp-admin/options-writing.php0.351 s0.313 s-0.038 s3.71 MiB3.76 MiB+ 50.69 KiB
/wp-admin/media-new.php0.529 s0.357 s-0.172 s3.7 MiB3.76 MiB+ 58.88 KiB
/wp-admin/edit-tags.php?taxonomy=category0.360 s0.340 s-0.020 s3.72 MiB3.78 MiB+ 69.55 KiB
/wp-admin/post-new.php?post_type=page0.733 s0.727 s-0.006 s6.3 MiB6.37 MiB+ 70.07 KiB
/wp-admin/options-discussion.php0.361 s0.338 s-0.023 s3.72 MiB3.76 MiB+ 47.19 KiB
/wp-admin/edit-comments.php0.345 s0.347 s+0.002 s3.74 MiB3.78 MiB+ 46.69 KiB
/0.318 s0.220 s-0.098 s4.12 MiB4.16 MiB+ 40.93 KiB
Average 0.471 s0.438 s-0.033 s4.24 MiB4.29 MiB+ 58.11 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
JSON
Language % Lines of code Comment lines Files
PHP82.7%1,7369336
JSON14.6%30603
make1.7%3561
CSS1.0%2131
Total 2,098 942 11

PHP Code Analysis | More results »

Lines of code 1,735
Total complexity 467
Median class complexity 114.5
Median method complexity 3.0
Most complex class VarnishPurger
Most complex function VarnishPurger::purge_post()
Classes 4
Methods 69
Functions 2

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 5

PHP Error Log 4 lines

[03-Dec-2025 03:50:35 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
[03-Dec-2025 03:50:35 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
[03-Dec-2025 03:50:45 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
[03-Dec-2025 03:50:45 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
See also: All tests for this plugin, How to Hide Proxy Cache Purge Admin Menus