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OneSignal Push Notifications 3.6.1

Does OneSignal Push Notifications work with WordPress 6.8.3 and PHP 8.1.12? A smoke test was performed on .

Summary

Errors
8PHP warnings
2Unrecognized messages in the PHP error log
No JavaScript exceptions
All test pages loaded successfully
No resource errors
Performance

Memory usage: 3.26 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 version6.8.3
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
Plugin Info
Last updated
Active installs 70,000+
WordPress.org page https://wordpress.org/plugins/onesignal-free-web-push-notifications/
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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=onesignal-free-web-push-notifications%2Fonesignal.php&plugin_status=all&paged=1&s&_wpnonce=d618c45950
Aspect after-activation
HTTP status 200
Load time 0.342 s
Memory usage 3.53 MiB
JS errors None
Resource errors None

OneSignal

Page screenshot: OneSignal
URL /wp-admin/admin.php?page=onesignal-admin-page.php
Aspect menu-item
HTTP status 200
Load time 0.376 s
Memory usage 3.5 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 0.435 s
Memory usage 3.44 MiB
JS errors None
Resource errors None

Add Post ‹ Test site — WordPress

Page screenshot: Add Post ‹ Test site — WordPress
URL /wp-admin/post-new.php
Aspect new-meta-boxes
HTTP status 200
Load time 1.623 s
Memory usage 6.08 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.709 s0.515 s-0.194 s3.51 MiB3.52 MiB+ 14.13 KiB
/wp-admin/edit.php0.276 s0.253 s-0.023 s3.57 MiB3.59 MiB+ 14.13 KiB
/wp-admin/post-new.php1.164 s1.662 s+0.498 s6.06 MiB6.08 MiB+ 23.92 KiB
/wp-admin/upload.php0.878 s0.762 s-0.116 s3.52 MiB3.52 MiB- 3.29 KiB
/wp-admin/options-writing.php0.301 s0.339 s+0.038 s3.5 MiB3.5 MiB+ 728 bytes
/wp-admin/media-new.php0.327 s0.309 s-0.018 s3.49 MiB3.5 MiB+ 8.91 KiB
/wp-admin/edit-tags.php?taxonomy=category0.238 s0.261 s+0.023 s3.5 MiB3.52 MiB+ 19.58 KiB
/wp-admin/post-new.php?post_type=page1.585 s0.911 s-0.674 s6.05 MiB6.07 MiB+ 19.45 KiB
/wp-admin/options-discussion.php0.543 s0.578 s+0.035 s3.5 MiB3.5 MiB- 2.79 KiB
/wp-admin/edit-comments.php0.331 s0.364 s+0.033 s3.52 MiB3.52 MiB- 3.29 KiB
/0.395 s0.385 s-0.010 s3.5 MiB3.45 MiB- 55.59 KiB
Average 0.613 s0.576 s-0.037 s3.98 MiB3.98 MiB+ 3.26 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
SVG
Language % Lines of code Comment lines Files
PHP54.3%2,81031615
CSS21.5%1,1115038
JavaScript12.5%647966
SVG11.3%58503
HTML0.4%2035
Total 5,173 918 37

PHP Code Analysis | More results »

Lines of code 2,228
Total complexity 463
Median class complexity 31.0
Median method complexity 2.0
Most complex class OneSignal_Admin
Most complex function OneSignal_Public::onesignal_header()
Classes 5
Methods 46
Functions 33

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 1

Meta Boxes 

{
    "post": {
        "onesignal_metabox": {
            "title": "OneSignal Push Notifications",
            "context": "advanced"
        }
    }
}

PHP Error Log 10 lines

[14-Nov-2025 01:06:18 UTC] PHP Warning:  Trying to access array offset on value of type bool in /wp-content/plugins/onesignal-free-web-push-notifications/v3/onesignal-init.php on line 20
[14-Nov-2025 01:06:20 UTC] PHP Warning:  Trying to access array offset on value of type bool in /wp-content/plugins/onesignal-free-web-push-notifications/v3/onesignal-metabox/onesignal-metabox.php on line 32
[14-Nov-2025 01:06:20 UTC] PHP Warning:  Trying to access array offset on value of type bool in /wp-content/plugins/onesignal-free-web-push-notifications/v3/onesignal-metabox/onesignal-metabox.php on line 39
[14-Nov-2025 01:06:20 UTC] Unexpected API response: Missing or invalid key
[14-Nov-2025 01:06:20 UTC] PHP Warning:  Trying to access array offset on value of type bool in /wp-content/plugins/onesignal-free-web-push-notifications/v3/onesignal-metabox/onesignal-metabox.php on line 107
[14-Nov-2025 01:06:29 UTC] PHP Warning:  Trying to access array offset on value of type bool in /wp-content/plugins/onesignal-free-web-push-notifications/v3/onesignal-init.php on line 20
[14-Nov-2025 01:06:31 UTC] PHP Warning:  Trying to access array offset on value of type bool in /wp-content/plugins/onesignal-free-web-push-notifications/v3/onesignal-metabox/onesignal-metabox.php on line 32
[14-Nov-2025 01:06:31 UTC] PHP Warning:  Trying to access array offset on value of type bool in /wp-content/plugins/onesignal-free-web-push-notifications/v3/onesignal-metabox/onesignal-metabox.php on line 39
[14-Nov-2025 01:06:31 UTC] Unexpected API response: Missing or invalid key
[14-Nov-2025 01:06:31 UTC] PHP Warning:  Trying to access array offset on value of type bool in /wp-content/plugins/onesignal-free-web-push-notifications/v3/onesignal-metabox/onesignal-metabox.php on line 107
See also: All tests for this plugin, How to Hide OneSignal Push Notifications Admin Menus and Meta Boxes