John Blackbourn
@johnbillion on WordPress.org and Slack
- Member Since: December 7th, 2005
- Location: Norwich, UK; and Torino, Italy
- Website: johnblackbourn.com
- GitHub: johnbillion
- Employer: Human Made Ltd
Bio
Contributions Sponsored
Contribution History
John Blackbourn’s badges:- Accessibility Contributor
- bbPress Contributor
- BuddyPress Contributor
- Core Contributor
- Core Team
- Documentation Contributor
- Meetup Organizer
- Meta Contributor
- Plugin Developer
- Security Contributor
- Security Team
- Translation Contributor
- WordCamp Organizer
- WordCamp Speaker
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Posted a reply to Cron unschedule event error for hook, on the site WordPress.org Forums:
@xmetman It looks like you're confusing cron schedules and cron events. Cron schedules are the… -
Posted a reply to How to troubleshoot 404 with Query Monitor, on the site WordPress.org Forums:
This is actually a planned feature for QM but I've never managed to make it… -
Posted a reply to Undefined index: file, on the site WordPress.org Forums:
Can you tell me which plugins are active on your site please? -
Posted a reply to Session Expired & Slow wp-admin, on the site WordPress.org Forums:
QM can potentially help with the second issue, depending on what the root cause is.… -
Posted a reply to Install Redis plugin, on the site WordPress.org Forums:
This message shows up when the return value of the wp_using_ext_object_cache() function is false. This… -
Posted a reply to Fatal error in plugin version 1.15.0, on the site WordPress.org Forums:
@iamonlythird2 The setClassMapAuthoritative() method was introduced in Composer version 1.0, which was released over seven… -
Posted a reply to Fatal error in plugin version 1.15.0, on the site WordPress.org Forums:
Thanks for the report. Can you send me a list of the other plugins that… -
Posted a reply to Will NOT Switch Away from My Own Account, on the site WordPress.org Forums:
I don't know what to say other than you should question why the Flywheel caching… -
Posted a reply to Will NOT Switch Away from My Own Account, on the site WordPress.org Forums:
That's a very strange response from Flywheel, I would push back to them to look… -
Committed [2825532] to Plugins SVN:
Update to version 1.15.0 from GitHub -
Posted a reply to How to Clear Logs, on the site WordPress.org Forums:
Nothing is stored persistently, it's only logged in memory during the page request. There's nothing… -
Posted a reply to to define that activation will be allowed for anyone, on the site WordPress.org Forums:
Not at the moment, no. In the future I might do some work on custom… -
Posted a reply to Websites freeze with QM active, on the site WordPress.org Forums:
It's likely this is an issue with some recent versions of Chrome which has suffered… -
Posted a reply to QM freezing Chrome on page load, on the site WordPress.org Forums:
Not for this specific issue, no. Does your site perform a large number of database… -
Posted a reply to Possible to track/list all AJAX requests in QM?, on the site WordPress.org Forums:
That's not possible at the moment but it is on the roadmap! -
Posted a reply to Is it safe or advisable to enable Query Monitor on a production site ?, on the site WordPress.org Forums:
Yes it's usually not a problem. If your site is performing very poorly then you… -
Posted a reply to Will NOT Switch Away from My Own Account, on the site WordPress.org Forums:
Thanks for the video. It sounds like it might be an issue with your object… -
Posted a reply to QM freezing Chrome on page load, on the site WordPress.org Forums:
You might also want to try deactivating any browser extensions. -
Posted a reply to QM freezing Chrome on page load, on the site WordPress.org Forums:
I've seen this once or twice in the past and both times it was caused… -
Posted a reply to Can I change products from published to draft with this plugin?, on the site WordPress.org Forums:
Yes you can do this via a daily cron event, but you'll need to write… -
Posted a reply to Compatibility with the wordfence plugin, on the site WordPress.org Forums:
There's not really anything that can be done about this, the problem is caused by… -
Posted a reply to Bug with PHP 8.1.12 & AJAX output, on the site WordPress.org Forums:
Well this is a fun one! Thanks for the video. I'll try to find some… -
Created ticket #57116 on Core Trac:
Plugin translations not loaded after calling `switch_to_locale()` -
Posted a reply to Problem cron event with arguments, on the site WordPress.org Forums:
Did you pass the correct number to the $accepted_args parameter in your add_action call? -
Closed ticket #57103 on Core Trac:
Broad selector for figure elements in WP 6.1 -
Closed ticket #57068 on Core Trac:
New WordPress Site email should be configurable -
Posted a reply to Disabling Heartbeat Triggers Javascript Error, on the site WordPress.org Forums:
I don't believe so, no. Some hosting companies disable it to reduce the load on… -
Created issue #45677 in the WordPress/gutenberg repository:
`register_legacy_post_comments_block()` uses invalid metadata key -
Posted a reply to Block Switching to Other Admins, on the site WordPress.org Forums:
No progress on this, sorry. It's not a priority for me. -
Mentioned in [54779] on Core SVN:
Themes: Improve `WP_Query` call getting global styles. -
Posted a reply to Warning — Undefined array key “is_storefront_api”, on the site WordPress.org Forums:
You should get in touch with the author of the ecwid-shopping-cart about this. -
Posted a reply to Switch to user from frontend, on the site WordPress.org Forums:
Glad you got it sorted. -
Mentioned in [54770] on Core SVN:
Themes: Improve `WP_Query` call getting global styles. -
Posted a reply to wp_crontrol fails to save with 403 error due to logical operator order, on the site WordPress.org Forums:
In the context of WP Crontrol there's nothing that can trigger a 403 status code,… -
Posted a reply to QM causing high CPU% when devtools open, on the site WordPress.org Forums:
To be honest that's not something that I can fix in QM (at least not… -
Posted a reply to db.php symlink exists but not found, on the site WordPress.org Forums:
I've occasionally seen problems with the opcode cache for symlinks. Can you try flushing the… -
Posted a reply to Shop Manager – Can’t get rights configured, on the site WordPress.org Forums:
To be honest I'm not sure. It depends how the Members plugin is granting those… -
Posted a reply to Switching to a wrong language version, on the site WordPress.org Forums:
How are you managing languages and currencies in WooCommerce? User Switching redirects you to the… -
Posted a reply to Feat. Req: Show current site time on Add New page, on the site WordPress.org Forums:
Sure! I'll get that added. The reason the time and timezone is shown on the… -
Posted a reply to Fatal Error when activation plugin, on the site WordPress.org Forums:
Is the problem specific to User Switching? Can you try activating another plugin? The only… -
Posted a reply to Switch back links missing, on the site WordPress.org Forums:
It sounds like something might be clearing the cookies from User Switching when you switch,… -
Posted a reply to No option to “Add PHP Cron Event”, on the site WordPress.org Forums:
https://wordpress.org/plugins/wp-crontrol/#which%20users%20can%20manage%20php%20cron%20events%3F%20is%20this%20dangerous%3F I'm unable to assist any further than what's already documented otherwise I'd have a… -
Posted a reply to No option to “Add PHP Cron Event”, on the site WordPress.org Forums:
Can you take a look through the FAQs and see if your question is answered… -
Posted a reply to User not switching on PROD, on the site WordPress.org Forums:
There's nothing specific about prod and non-prod environments when it comes to User Switching. It… -
Posted a reply to PHP Fatal error, on the site WordPress.org Forums:
This just unfortunately means there's too much data for QM to collect on your site… -
Posted a reply to Feature request: Memory usage column on Hooks & Actions tab, on the site WordPress.org Forums:
Yeah this is something I've been wanting to do for a long time. QM used… -
Posted a reply to Only allow specific admin user to use user switch, on the site WordPress.org Forums:
It's going to be something like the following ternary logic, but I can't help you… -
Posted a reply to PHP warnings, on the site WordPress.org Forums:
It could still be a problem with QM, so please do let me know if… -
Posted a reply to Only allow specific admin user to use user switch, on the site WordPress.org Forums:
As I said, you'll need to deny the ability from all users except your own.
Developer
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Global Post Password
Active Installs: 500+
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Log Out Password Protected Posts
Active Installs: 500+
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Plugin Info
Active Installs: 40+
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Query Monitor
Active Installs: 100,000+
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User Switching
Active Installs: 200,000+
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WP Crontrol
Active Installs: 200,000+
Contributor
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Airplane Mode
Active Installs: 60+
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C3 Cloudfront Cache Controller
Active Installs: 3,000+
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HM Content TOC
Active Installs: 40+
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Login as User
Active Installs: 10,000+
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Remove Link to Current Page
Active Installs: 70+
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Sched Event Management Software
Active Installs: 300+
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Two-Factor
Active Installs: 50,000+
Plugins
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Airplane Mode
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Google Authenticator
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HTTPS Mixed Content Detector
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Keyring
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Members - Membership & User Role Editor Plugin
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Multiple Post Thumbnails
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Posts 2 Posts
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Query Monitor
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Redis Object Cache
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Regenerate Thumbnails
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Rewrite Rule Testing
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Rewrite Rules Inspector
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RTL Tester
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Simple Page Ordering
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Transients Manager
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User Switching
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WP Crontrol
