Flash Cache 3.6

Does Flash Cache work with WordPress 6.8.1 and PHP 8.1.12? A smoke test was performed on .

Summary

Errors
1PHP notices
No JavaScript exceptions
All test pages loaded successfully
No resource errors
Performance

Memory usage: 109.37 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 version6.8.1
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
Plugin Info
Last updated
Active installs 20+
WordPress.org page https://wordpress.org/plugins/flash-cache/
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Pages 7

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=flash-cache%2Fflash_cache.php&plugin_status=all&paged=1&s&_wpnonce=b44101ff53
Aspect after-activation
HTTP status 200
Load time 0.365 s
Memory usage 3.81 MiB
JS errors None
Resource errors None

Flash Cache

Page screenshot: Flash Cache
URL /wp-admin/admin.php?page=flash_cache_setting
Aspect menu-item
HTTP status 200
Load time 0.206 s
Memory usage 3.6 MiB
JS errors None
Resource errors None

Flash Cache → Advanced options

Page screenshot: Flash Cache → Advanced options
URL /wp-admin/admin.php?page=flash_cache_advanced_setting
Aspect menu-item
HTTP status 200
Load time 0.193 s
Memory usage 3.6 MiB
JS errors None
Resource errors None

Flash Cache → Patterns

Page screenshot: Flash Cache → Patterns
URL /wp-admin/edit.php?post_type=flash_cache_patterns
Aspect menu-item
HTTP status 200
Load time 0.210 s
Memory usage 3.69 MiB
JS errors None
Resource errors None

Flash Cache → Add New Patterns

Page screenshot: Flash Cache → Add New Patterns
URL /wp-admin/post-new.php?post_type=flash_cache_patterns
Aspect menu-item
HTTP status 200
Load time 0.310 s
Memory usage 3.68 MiB
JS errors None
Resource errors None

Flash Cache → Preload

Page screenshot: Flash Cache → Preload
URL /wp-admin/admin.php?page=flash_cache_preload
Aspect menu-item
HTTP status 200
Load time 0.187 s
Memory usage 3.6 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 0.218 s
Memory usage 3.52 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.385 s0.323 s-0.062 s3.51 MiB3.62 MiB+ 120.53 KiB
/wp-admin/edit.php0.239 s0.206 s-0.033 s3.57 MiB3.69 MiB+ 117.08 KiB
/wp-admin/post-new.php0.881 s0.769 s-0.112 s6.06 MiB6.18 MiB+ 121.16 KiB
/wp-admin/upload.php0.755 s0.524 s-0.231 s3.52 MiB3.62 MiB+ 99.67 KiB
/wp-admin/options-writing.php0.231 s0.193 s-0.038 s3.5 MiB3.6 MiB+ 103.66 KiB
/wp-admin/media-new.php0.283 s0.204 s-0.079 s3.49 MiB3.6 MiB+ 111.86 KiB
/wp-admin/edit-tags.php?taxonomy=category0.211 s0.188 s-0.023 s3.5 MiB3.62 MiB+ 122.53 KiB
/wp-admin/post-new.php?post_type=page0.752 s0.646 s-0.106 s6.05 MiB6.16 MiB+ 116.68 KiB
/wp-admin/options-discussion.php0.289 s0.453 s+0.164 s3.5 MiB3.6 MiB+ 100.16 KiB
/wp-admin/edit-comments.php0.240 s0.212 s-0.028 s3.52 MiB3.62 MiB+ 99.66 KiB
/0.334 s0.199 s-0.135 s3.43 MiB3.52 MiB+ 90.04 KiB
Average 0.418 s0.356 s-0.062 s3.97 MiB4.08 MiB+ 109.37 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
Language % Lines of code Comment lines Files
PHP83.3%3,96782015
CSS13.8%65992
JavaScript2.0%9551
Markdown0.9%4401
Total 4,765 834 19

PHP Code Analysis | More results »

Lines of code 4,037
Total complexity 840
Median class complexity 22.5
Median method complexity 3.0
Most complex class flash_cache_process
Most complex function flash_cache_process::process_cache_from_query()
Classes 16
Methods 129
Functions 40

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 1

Options wp_options 2

Custom Post Types 1

ID Name
flash_cache_patternsPatterns

PHP Error Log 1 lines

[07-May-2025 10:34:52 UTC] PHP Notice:  Function _load_textdomain_just_in_time was called <strong>incorrectly</strong>. Translation loading for the <code>flash-cache</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 6121
See also: All tests for this plugin, How to Hide Flash Cache Admin Menus