WP Mail Gateway 1.8

Does WP Mail Gateway work with WordPress 6.9.4 and PHP 8.1.12? A smoke test was performed on .

Summary

Errors
779PHP deprecation warnings
No JavaScript exceptions
All test pages loaded successfully
No resource errors
Performance

Memory usage: 13.27 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+
WordPress.org page https://wordpress.org/plugins/wp-mail-gateway/
Badges

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Pages 3

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=wp-mail-gateway%2Fwp-mail-gateway.php&plugin_status=all&paged=1&s&_wpnonce=6ee68fd6d0
Aspect after-activation
HTTP status 200
Load time 0.459 s
Memory usage 3.75 MiB
JS errors None
Resource errors None

WP Mail Gateway

Page screenshot: WP Mail Gateway
URL /wp-admin/admin.php?page=wp-mail-gateway
Aspect menu-item
HTTP status 200
Load time 0.515 s
Memory usage 3.72 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 0.248 s
Memory usage 4.11 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.485 s0.369 s-0.116 s3.78 MiB3.8 MiB+ 19.7 KiB
/wp-admin/edit.php0.389 s0.339 s-0.050 s3.78 MiB3.8 MiB+ 20.75 KiB
/wp-admin/post-new.php0.818 s1.313 s+0.495 s6.31 MiB6.33 MiB+ 23.33 KiB
/wp-admin/upload.php0.503 s0.501 s-0.002 s3.74 MiB3.74 MiB+ 3.34 KiB
/wp-admin/options-writing.php0.407 s0.369 s-0.038 s3.71 MiB3.72 MiB+ 7.34 KiB
/wp-admin/media-new.php0.612 s0.386 s-0.226 s3.7 MiB3.72 MiB+ 15.53 KiB
/wp-admin/edit-tags.php?taxonomy=category0.377 s0.320 s-0.057 s3.72 MiB3.74 MiB+ 26.2 KiB
/wp-admin/post-new.php?post_type=page0.756 s0.723 s-0.033 s6.3 MiB6.32 MiB+ 18.85 KiB
/wp-admin/options-discussion.php0.350 s0.391 s+0.041 s3.71 MiB3.72 MiB+ 3.84 KiB
/wp-admin/edit-comments.php0.361 s0.381 s+0.020 s3.73 MiB3.74 MiB+ 3.34 KiB
/0.289 s0.250 s-0.039 s4.11 MiB4.11 MiB+ 3.77 KiB
Average 0.486 s0.486 s-0.000 s4.24 MiB4.25 MiB+ 13.27 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.

HTML
PHP
JavaScript
Language % Lines of code Comment lines Files
HTML44.3%45731
PHP32.1%331434
JavaScript17.0%175241
JSON3.6%3701
CSS3.1%3201
Total 1,032 70 8

PHP Code Analysis | More results »

Lines of code 331
Total complexity 59
Median class complexity 5.0
Median method complexity 1.0
Most complex class ShahariaAzam\WPMailGateway\Functions
Most complex function wp_mail()
Classes 3
Methods 20
Functions 1

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.

No new entries found.

PHP Error Log 779 lines

[23-Mar-2026 10:18:47 UTC] PHP Deprecated:  Return type of SendGrid\ReplyTo::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 77
[23-Mar-2026 10:18:47 UTC] PHP Deprecated:  Return type of SendGrid\ClickTracking::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 116
[23-Mar-2026 10:18:47 UTC] PHP Deprecated:  Return type of SendGrid\OpenTracking::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 155
[23-Mar-2026 10:18:47 UTC] PHP Deprecated:  Return type of SendGrid\SubscriptionTracking::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 216
[23-Mar-2026 10:18:47 UTC] PHP Deprecated:  Return type of SendGrid\Ganalytics::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 301
[23-Mar-2026 10:18:47 UTC] PHP Deprecated:  Return type of SendGrid\TrackingSettings::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 366
[23-Mar-2026 10:18:47 UTC] PHP Deprecated:  Return type of SendGrid\BccSettings::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 407
[23-Mar-2026 10:18:47 UTC] PHP Deprecated:  Return type of SendGrid\BypassListManagement::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 435
[23-Mar-2026 10:18:47 UTC] PHP Deprecated:  Return type of SendGrid\Footer::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 484
[23-Mar-2026 10:18:47 UTC] PHP Deprecated:  Return type of SendGrid\SandBoxMode::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 512
[23-Mar-2026 10:18:47 UTC] PHP Deprecated:  Return type of SendGrid\SpamCheck::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 561
[23-Mar-2026 10:18:47 UTC] PHP Deprecated:  Return type of SendGrid\MailSettings::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 634
[23-Mar-2026 10:18:47 UTC] PHP Deprecated:  Return type of SendGrid\ASM::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 676
[23-Mar-2026 10:18:47 UTC] PHP Deprecated:  Return type of SendGrid\Attachment::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 748
[23-Mar-2026 10:18:47 UTC] PHP Deprecated:  Return type of SendGrid\Content::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 808
[23-Mar-2026 10:18:47 UTC] PHP Deprecated:  Return type of SendGrid\Personalization::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 913
[23-Mar-2026 10:18:47 UTC] PHP Deprecated:  Return type of SendGrid\Email::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 992
[23-Mar-2026 10:18:47 UTC] PHP Deprecated:  Return type of SendGrid\Mail::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 1213
[23-Mar-2026 10:18:47 UTC] PHP Deprecated:  Return type of SendGrid\Recipient::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/contacts/Recipients.php on line 73
[23-Mar-2026 10:18:47 UTC] PHP Deprecated:  Return type of SendGrid\ReplyTo::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 77
[23-Mar-2026 10:18:47 UTC] PHP Deprecated:  Return type of SendGrid\ClickTracking::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 116
[23-Mar-2026 10:18:47 UTC] PHP Deprecated:  Return type of SendGrid\OpenTracking::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 155
[23-Mar-2026 10:18:47 UTC] PHP Deprecated:  Return type of SendGrid\SubscriptionTracking::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 216
[23-Mar-2026 10:18:47 UTC] PHP Deprecated:  Return type of SendGrid\Ganalytics::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 301
[23-Mar-2026 10:18:47 UTC] PHP Deprecated:  Return type of SendGrid\TrackingSettings::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 366
[23-Mar-2026 10:18:47 UTC] PHP Deprecated:  Return type of SendGrid\BccSettings::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 407
[23-Mar-2026 10:18:47 UTC] PHP Deprecated:  Return type of SendGrid\BypassListManagement::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 435
[23-Mar-2026 10:18:47 UTC] PHP Deprecated:  Return type of SendGrid\Footer::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 484
[23-Mar-2026 10:18:47 UTC] PHP Deprecated:  Return type of SendGrid\SandBoxMode::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 512
[23-Mar-2026 10:18:47 UTC] PHP Deprecated:  Return type of SendGrid\SpamCheck::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 561
[23-Mar-2026 10:18:47 UTC] PHP Deprecated:  Return type of SendGrid\MailSettings::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 634
[23-Mar-2026 10:18:47 UTC] PHP Deprecated:  Return type of SendGrid\ASM::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 676
[23-Mar-2026 10:18:47 UTC] PHP Deprecated:  Return type of SendGrid\Attachment::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 748
[23-Mar-2026 10:18:47 UTC] PHP Deprecated:  Return type of SendGrid\Content::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 808
[23-Mar-2026 10:18:47 UTC] PHP Deprecated:  Return type of SendGrid\Personalization::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 913
[23-Mar-2026 10:18:47 UTC] PHP Deprecated:  Return type of SendGrid\Email::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 992
[23-Mar-2026 10:18:47 UTC] PHP Deprecated:  Return type of SendGrid\Mail::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 1213
[23-Mar-2026 10:18:47 UTC] PHP Deprecated:  Return type of SendGrid\Recipient::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/contacts/Recipients.php on line 73
[23-Mar-2026 10:18:48 UTC] PHP Deprecated:  Return type of SendGrid\ReplyTo::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 77
[23-Mar-2026 10:18:48 UTC] PHP Deprecated:  Return type of SendGrid\ClickTracking::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 116
[23-Mar-2026 10:18:48 UTC] PHP Deprecated:  Return type of SendGrid\OpenTracking::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 155
[23-Mar-2026 10:18:48 UTC] PHP Deprecated:  Return type of SendGrid\SubscriptionTracking::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 216
[23-Mar-2026 10:18:48 UTC] PHP Deprecated:  Return type of SendGrid\Ganalytics::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 301
[23-Mar-2026 10:18:48 UTC] PHP Deprecated:  Return type of SendGrid\TrackingSettings::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 366
[23-Mar-2026 10:18:48 UTC] PHP Deprecated:  Return type of SendGrid\BccSettings::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 407
[23-Mar-2026 10:18:48 UTC] PHP Deprecated:  Return type of SendGrid\BypassListManagement::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 435
[23-Mar-2026 10:18:48 UTC] PHP Deprecated:  Return type of SendGrid\Footer::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 484
[23-Mar-2026 10:18:48 UTC] PHP Deprecated:  Return type of SendGrid\SandBoxMode::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 512
[23-Mar-2026 10:18:48 UTC] PHP Deprecated:  Return type of SendGrid\SpamCheck::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 561
[23-Mar-2026 10:18:48 UTC] PHP Deprecated:  Return type of SendGrid\MailSettings::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 634
[23-Mar-2026 10:18:48 UTC] PHP Deprecated:  Return type of SendGrid\ASM::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 676
[23-Mar-2026 10:18:48 UTC] PHP Deprecated:  Return type of SendGrid\Attachment::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 748
[23-Mar-2026 10:18:48 UTC] PHP Deprecated:  Return type of SendGrid\Content::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 808
[23-Mar-2026 10:18:48 UTC] PHP Deprecated:  Return type of SendGrid\Personalization::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 913
[23-Mar-2026 10:18:48 UTC] PHP Deprecated:  Return type of SendGrid\Email::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 992
[23-Mar-2026 10:18:48 UTC] PHP Deprecated:  Return type of SendGrid\Mail::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 1213
[23-Mar-2026 10:18:48 UTC] PHP Deprecated:  Return type of SendGrid\Recipient::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/contacts/Recipients.php on line 73
[23-Mar-2026 10:18:49 UTC] PHP Deprecated:  Return type of SendGrid\ReplyTo::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 77
[23-Mar-2026 10:18:49 UTC] PHP Deprecated:  Return type of SendGrid\ClickTracking::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 116
[23-Mar-2026 10:18:49 UTC] PHP Deprecated:  Return type of SendGrid\OpenTracking::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 155
[23-Mar-2026 10:18:49 UTC] PHP Deprecated:  Return type of SendGrid\SubscriptionTracking::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 216
[23-Mar-2026 10:18:49 UTC] PHP Deprecated:  Return type of SendGrid\Ganalytics::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 301
[23-Mar-2026 10:18:49 UTC] PHP Deprecated:  Return type of SendGrid\TrackingSettings::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 366
[23-Mar-2026 10:18:49 UTC] PHP Deprecated:  Return type of SendGrid\BccSettings::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 407
[23-Mar-2026 10:18:49 UTC] PHP Deprecated:  Return type of SendGrid\BypassListManagement::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 435
[23-Mar-2026 10:18:49 UTC] PHP Deprecated:  Return type of SendGrid\Footer::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 484
[23-Mar-2026 10:18:49 UTC] PHP Deprecated:  Return type of SendGrid\SandBoxMode::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 512
[23-Mar-2026 10:18:49 UTC] PHP Deprecated:  Return type of SendGrid\SpamCheck::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 561
[23-Mar-2026 10:18:49 UTC] PHP Deprecated:  Return type of SendGrid\MailSettings::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 634
[23-Mar-2026 10:18:49 UTC] PHP Deprecated:  Return type of SendGrid\ASM::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 676
[23-Mar-2026 10:18:49 UTC] PHP Deprecated:  Return type of SendGrid\Attachment::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 748
[23-Mar-2026 10:18:49 UTC] PHP Deprecated:  Return type of SendGrid\Content::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 808
[23-Mar-2026 10:18:49 UTC] PHP Deprecated:  Return type of SendGrid\Personalization::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 913
[23-Mar-2026 10:18:49 UTC] PHP Deprecated:  Return type of SendGrid\Email::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 992
[23-Mar-2026 10:18:49 UTC] PHP Deprecated:  Return type of SendGrid\Mail::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 1213
[23-Mar-2026 10:18:49 UTC] PHP Deprecated:  Return type of SendGrid\Recipient::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/contacts/Recipients.php on line 73
[23-Mar-2026 10:18:49 UTC] PHP Deprecated:  Return type of SendGrid\ReplyTo::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 77
[23-Mar-2026 10:18:49 UTC] PHP Deprecated:  Return type of SendGrid\ClickTracking::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 116
[23-Mar-2026 10:18:49 UTC] PHP Deprecated:  Return type of SendGrid\OpenTracking::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 155
[23-Mar-2026 10:18:49 UTC] PHP Deprecated:  Return type of SendGrid\SubscriptionTracking::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 216
[23-Mar-2026 10:18:49 UTC] PHP Deprecated:  Return type of SendGrid\Ganalytics::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 301
[23-Mar-2026 10:18:49 UTC] PHP Deprecated:  Return type of SendGrid\TrackingSettings::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 366
[23-Mar-2026 10:18:49 UTC] PHP Deprecated:  Return type of SendGrid\BccSettings::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 407
[23-Mar-2026 10:18:49 UTC] PHP Deprecated:  Return type of SendGrid\BypassListManagement::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 435
[23-Mar-2026 10:18:49 UTC] PHP Deprecated:  Return type of SendGrid\Footer::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 484
[23-Mar-2026 10:18:49 UTC] PHP Deprecated:  Return type of SendGrid\SandBoxMode::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 512
[23-Mar-2026 10:18:49 UTC] PHP Deprecated:  Return type of SendGrid\SpamCheck::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 561
[23-Mar-2026 10:18:49 UTC] PHP Deprecated:  Return type of SendGrid\MailSettings::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 634
[23-Mar-2026 10:18:49 UTC] PHP Deprecated:  Return type of SendGrid\ASM::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 676
[23-Mar-2026 10:18:49 UTC] PHP Deprecated:  Return type of SendGrid\Attachment::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 748
[23-Mar-2026 10:18:49 UTC] PHP Deprecated:  Return type of SendGrid\Content::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 808
[23-Mar-2026 10:18:49 UTC] PHP Deprecated:  Return type of SendGrid\Personalization::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 913
[23-Mar-2026 10:18:49 UTC] PHP Deprecated:  Return type of SendGrid\Email::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 992
[23-Mar-2026 10:18:49 UTC] PHP Deprecated:  Return type of SendGrid\Mail::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 1213
[23-Mar-2026 10:18:49 UTC] PHP Deprecated:  Return type of SendGrid\Recipient::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/contacts/Recipients.php on line 73
[23-Mar-2026 10:18:50 UTC] PHP Deprecated:  Return type of SendGrid\ReplyTo::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 77
[23-Mar-2026 10:18:50 UTC] PHP Deprecated:  Return type of SendGrid\ClickTracking::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 116
[23-Mar-2026 10:18:50 UTC] PHP Deprecated:  Return type of SendGrid\OpenTracking::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 155
[23-Mar-2026 10:18:50 UTC] PHP Deprecated:  Return type of SendGrid\SubscriptionTracking::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 216
[23-Mar-2026 10:18:50 UTC] PHP Deprecated:  Return type of SendGrid\Ganalytics::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/wp-mail-gateway/vendor/sendgrid/sendgrid/lib/helpers/mail/Mail.php on line 301

(+679 more lines)
See also: All tests for this plugin, How to Hide the "WP Mail Gateway" Admin Menu