John Blackbourn
@johnbillion on WordPress.org and Slack
- Member Since: December 7th, 2005
- Location: Tonbridge, UK; and Torino, Italy
- Website: https://johnblackbourn.com
- Job Title: Senior WordPress Engineer
- Employer: Human Made Ltd
Bio
Contributions
John Blackbourn’s badges:- Core Contributor Core Contributor
- Core Team Core Team
- Documentation Contributor Documentation Contributor
- Meetup Organizer Meetup Organizer
- Meta Contributor Meta Contributor
- Translation Contributor Translation Contributor
- WordCamp Speaker WordCamp Speaker
- Plugin Developer Plugin Developer
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Created a new ticket, #45374, in Core Trac:
apply_filters_ref_array() no longer passes arguments by reference52 mins ago
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Posted a reply to Appearance > Customize > Additional CSS — Won’t Save, on the site WordPress.org Forums:
Can you take a look in your PHP error log and see if there's a…3 days ago
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Posted a reply to PHP 7 compatibility issues, on the site WordPress.org Forums:
Please take a look through existing support threads and take a look at the code…3 days ago
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Posted a reply to You don’t have permission to access this page., on the site WordPress.org Forums:
Can you try deactivating all your other plugins one by one to see if there's…7 days ago
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Posted a reply to Enable for non admin users, on the site WordPress.org Forums:
Yeah the best way to do this is to install the "Members" plugin by Justin…2 weeks ago
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Closed ticket #45230, in Core Trac:
Remove domain dependence3 weeks ago
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Posted a reply to PHP7 Compatibility, on the site WordPress.org Forums:
Yep3 weeks ago
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Posted a reply to How to migrate settings to other installation?, on the site WordPress.org Forums:
All cron events in WordPress are stored in a serialized array in an option called…3 weeks ago
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Created a new ticket, #45197, in Core Trac:
Introduce `user_can_for_blog()`3 weeks ago
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Posted a reply to pagination and select all, on the site WordPress.org Forums:
Oh! You can also check one checkbox, then shift-click another one, and it'll select all…4 weeks ago
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Posted a reply to pagination and select all, on the site WordPress.org Forums:
Thanks for the message. The checkbox at the top of the table is a select…4 weeks ago
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Posted a reply to Limiting the list of users another can switch to, on the site WordPress.org Forums:
You'll need to hook into the user_has_cap filter before User Switching does and explicitly grant…4 weeks ago
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Posted a reply to Issues with Memory Usage, on the site WordPress.org Forums:
I haven't seen any issues but there could be a bug in there. Or it…4 weeks ago
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Posted a reply to Issues with Memory Usage, on the site WordPress.org Forums:
Thanks for the message. User Switching shouldn't have any effect on memory usage in this…4 weeks ago
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Posted a reply to Feature request: Requests::request_multiple support, on the site WordPress.org Forums:
Thanks for the report! I'll look into this. I suspect the problem is caused by…1 month ago
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Posted a reply to Fatal error: Allowed memory size of ** exhausted, on the site WordPress.org Forums:
This sort of problem isn't usually caused by one plugin, or a conflict, but usually…1 month ago
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Posted a reply to After WC update, Switch to is not available to all user roles, on the site WordPress.org Forums:
This is something you should raise with WC in that case.1 month ago
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Posted a reply to After WC update, Switch to is not available to all user roles, on the site WordPress.org Forums:
A user needs the ability to edit a user in order to be able to…1 month ago
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Closed ticket #43041, in Core Trac:
Rename the capital_P_dangit function1 month ago
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Reopened ticket #42535, in Core Trac:
Remove checkered background for icons in Attachment Details1 month ago
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Reopened ticket #43253, in Core Trac:
Insert Link Dialog captures shift+arrow and changes selected item ...1 month ago
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Reopened ticket #36514, in Core Trac:
posting with custom taxes1 month ago
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Reopened ticket #42409, in Core Trac:
Add LIKE support to meta_key comparisons in WP_Meta_Query1 month ago
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Reopened ticket #44466, in Core Trac:
Have a method to check if a taxonomy is viewable1 month ago
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Reopened ticket #42837, in Core Trac:
wp_normalize_path does not take into account stream wrappers1 month ago
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Posted a reply to Use of undefined constant, on the site WordPress.org Forums:
Thanks for the report. Is there anything unusual about your installation of WordPress? Do the…1 month ago
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Posted a reply to Query Monitor 3.1.1 interferes with NextGEN Gallery, on the site WordPress.org Forums:
Oh, the support thread you linked to is from 5 months ago. Did you accidentally…1 month ago
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Posted a reply to Query Monitor 3.1.1 interferes with NextGEN Gallery, on the site WordPress.org Forums:
Thanks for the report. The "Error Thrown" message isn't one from WordPress core or from…1 month ago
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Posted a reply to DB>PHP File Removal, on the site WordPress.org Forums:
You'll need to get in contact with your host. There's nothing in QM that prevents…1 month ago
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Posted a reply to Is this compatible with woocommerce, on the site WordPress.org Forums:
Have you tried it out?1 month ago
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Wrote a comment on the post Gutenberg Phase 2 Leads, on the site Make WordPress Core:
Future phases of Gutenberg look very exciting. It opens up some fantastic opportunities for the…1 month ago
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Posted a reply to Cron is not working, on the site WordPress.org Forums:
Your best bet is to ask in the main wordpress.org support forums as this is…1 month ago
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Posted a reply to Run Hourly Not Wotking, on the site WordPress.org Forums:
Why can't you add a custom cron schedule for that?2 months ago
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Posted a reply to Deprecated Notice in PHP 7.2.0, on the site WordPress.org Forums:
https://wordpress.org/support/topic/query-monitor-compatibility-with-php-7-2/2 months ago
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Posted a reply to User info not being release when ‘switching back’ to me, on the site WordPress.org Forums:
This is an issue with WooCommerce not clearing its shopping cart cookie when a user…2 months ago
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Posted a reply to Custom post issue, on the site WordPress.org Forums:
Hey. This sounds like a problem with another plugin on your site. Neither WordPress nor…2 months ago
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Posted a reply to SendInBlue plugin mentions Query Monitor might be at fault, on the site WordPress.org Forums:
Thanks for the message. These errors are coming from the query-monitor-included-files plugin. You'll need to…2 months ago
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Posted a reply to How to solve duplicate queries ?, on the site WordPress.org Forums:
That's really up to you, or up to the theme author! Caching is one place…2 months ago
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Posted a reply to Know if user is currently switched, on the site WordPress.org Forums:
Yep. current_user_switched().2 months ago
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Posted a reply to Frontend Switching, on the site WordPress.org Forums:
That's quite a specific setup :-D so the short answer is no. I'm sure this…2 months ago
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Committed [1943317] to Plugins Trac:
Tag 3.1.12 months ago
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Committed [1943316] to Plugins Trac:
Version 3.1.12 months ago
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Committed [1942683] to Plugins Trac:
Tag 1.4.0.2 months ago
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Committed [1942682] to Plugins Trac:
Version 1.4.02 months ago
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Posted a reply to WooCommerce cart issues, on the site WordPress.org Forums:
Yeah this is a known issue because WooCommerce doesn't clear its cart cookie when a…2 months ago
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Posted a reply to 502 error after php7 update, on the site WordPress.org Forums:
This is most likely caused by your Nginx configuration having a low limit for the…2 months ago
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Posted a reply to Monitor memory usage of asynchronous REST API requests, on the site WordPress.org Forums:
Yep! In the HTTP headers of the response from an authenticated REST API response you'll…2 months ago
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Posted a reply to Php cron job disappering, on the site WordPress.org Forums:
Did you set them up with a recurrence or just a one-off event?2 months ago
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Posted a reply to Cron function not being hit, on the site WordPress.org Forums:
Cheers, that sounds like a bug in WordPress core that I've seen crop up now…2 months ago
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Posted a reply to Cron function not being hit, on the site WordPress.org Forums:
Cron events are fired asynchronously, so you won't see any effect of a call to…2 months ago
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Global Post Password
Active Installs: 1,000+
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HM Content TOC
Active Installs: 70+
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Log Out Password Protected Posts
Active Installs: 900+
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Plugin Info
Active Installs: 60+
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Query Monitor
Active Installs: 60,000+
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Remove Link to Current Page
Active Installs: 100+
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Sched Embed
Active Installs: 900+
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Two-Factor
Active Installs: 5,000+
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User Switching
Active Installs: 100,000+
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WP Crontrol
Active Installs: 80,000+
Plugins
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Co-Authors Plus
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Google Authenticator
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HiDPI Gravatars
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HTTPS Mixed Content Detector
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Keyring
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Members
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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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Snack Bar
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Transients Manager
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User Switching
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WP Crontrol