OneSignal Push Notifications 3.8.0

Does OneSignal Push Notifications work with WordPress 6.9.4 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: 13.72 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 version6.9.4
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=05cede3b60
Aspect after-activation
HTTP status 200
Load time 0.368 s
Memory usage 3.75 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 0.360 s
Memory usage 3.71 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 0.359 s
Memory usage 4.12 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 0.908 s
Memory usage 6.36 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.521 s0.381 s-0.140 s3.78 MiB3.79 MiB+ 15.09 KiB
/wp-admin/edit.php0.369 s0.336 s-0.033 s3.78 MiB3.8 MiB+ 14.15 KiB
/wp-admin/post-new.php0.885 s1.246 s+0.361 s6.31 MiB6.36 MiB+ 52.37 KiB
/wp-admin/upload.php0.630 s0.426 s-0.204 s3.74 MiB3.74 MiB- 3.26 KiB
/wp-admin/options-writing.php0.348 s0.313 s-0.035 s3.71 MiB3.71 MiB+ 1.05 KiB
/wp-admin/media-new.php0.537 s0.344 s-0.193 s3.7 MiB3.71 MiB+ 9.24 KiB
/wp-admin/edit-tags.php?taxonomy=category0.365 s0.307 s-0.058 s3.72 MiB3.74 MiB+ 19.6 KiB
/wp-admin/post-new.php?post_type=page0.704 s0.838 s+0.134 s6.3 MiB6.33 MiB+ 36.68 KiB
/wp-admin/options-discussion.php0.352 s0.447 s+0.095 s3.71 MiB3.71 MiB- 2.77 KiB
/wp-admin/edit-comments.php0.338 s0.354 s+0.016 s3.74 MiB3.73 MiB- 2.95 KiB
/0.293 s0.250 s-0.043 s4.11 MiB4.12 MiB+ 11.76 KiB
Average 0.486 s0.477 s-0.009 s4.24 MiB4.25 MiB+ 13.72 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
PHP54.9%2,87934515
CSS21.2%1,1115038
JavaScript12.3%647966
SVG11.2%58503
HTML0.4%2035
Total 5,242 947 37

PHP Code Analysis | More results »

Lines of code 2,297
Total complexity 501
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 36

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

[11-Mar-2026 21:08:38 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 43
[11-Mar-2026 21:08:40 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
[11-Mar-2026 21:08:40 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 40
[11-Mar-2026 21:08:40 UTC] Unexpected API response: Missing or invalid key
[11-Mar-2026 21:08:40 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 110
[11-Mar-2026 21:08:48 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 43
[11-Mar-2026 21:08:48 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
[11-Mar-2026 21:08:48 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 40
[11-Mar-2026 21:08:49 UTC] Unexpected API response: Missing or invalid key
[11-Mar-2026 21:08:49 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 110
See also: All tests for this plugin, How to Hide OneSignal Push Notifications Admin Menus and Meta Boxes