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
Contribution History
John Blackbourn’s badges:- Accessibility Contributor Accessibility Contributor
- 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
-
Posted a reply to Argument 1 passed to QueryMonitor::filter_plugin_action_links() must be array, on the site WordPress.org Forums:
Thanks for the report. This sounds like another plugin on your site is incorrectly filtering…20 hours ago
-
Posted a reply to Unable to View Query Monitor on Frontend, on the site WordPress.org Forums:
If you view the source code of the page, can you see any of QM's…6 days ago
-
Posted a reply to cache issue, on the site WordPress.org Forums:
Sorry you're having problems. You're probably better off asking the author of the caching plugin.…7 days ago
-
Posted a reply to User Switching fails after second time Switching to a user, on the site WordPress.org Forums:
User Switching does support nested switching (in case you were wondering), so this should work…1 week ago
-
Posted a reply to The link you followed has expired, on the site WordPress.org Forums:
Can you clear all your cookies and try again?1 week ago
-
Posted a reply to Required to login when switching, on the site WordPress.org Forums:
Can you clear all your cookies and try again? If that doesn't work, what exactly…1 week ago
-
Posted a reply to PHP Fatal Error – Multiple Cron Events, on the site WordPress.org Forums:
I'd you can't edit this event then something has gone very wrong with the storage…2 weeks ago
-
Posted a reply to PHP Fatal Error – Multiple Cron Events, on the site WordPress.org Forums:
This error means you have a fatal error occurring in the PHP code in your…2 weeks ago
-
Posted a reply to View query attachments with query monitor?, on the site WordPress.org Forums:
QM doesn't currently expose all the same debugging information for Ajax calls as for regular…2 weeks ago
-
Posted a reply to Include User Switching Link Outside users.php, on the site WordPress.org Forums:
Yeah you can do this with the following code: $link = user_switching::maybe_switch_url( $user ) where…2 weeks ago
-
Posted a reply to Deny Switching cap for roles, on the site WordPress.org Forums:
Link to the tests for this: https://github.com/johnbillion/user-switching/blob/e800a11f42ab94e2692b9d937b244aef37dd2e26/tests/test-caps.php#L112-L1562 weeks ago
-
Posted a reply to Deny Switching cap for roles, on the site WordPress.org Forums:
Yep you need to set the $grant parameter to false for the capability. Removing the…2 weeks ago
-
Created a new ticket, #47952, in Core Trac:
create_and_get() doesn't consider that create() can return a WP_Error3 weeks ago
-
Committed [45915] to Core Trac:
Docs: Correct and improve inline docs relating to caching, terms, ...3 weeks ago
-
Posted a reply to Error in WordPress, on the site WordPress.org Forums:
Responded here: https://github.com/johnbillion/query-monitor/issues/4643 weeks ago
-
Posted a reply to Monitor queries after Ajax, on the site WordPress.org Forums:
Unfortunately you can't see the whole list of queries (this is something I'm working on,…4 weeks ago
-
Posted a reply to How to Limit Target User Account Access?, on the site WordPress.org Forums:
Thanks for the message. This is possible but you'll need to get a developer to…4 weeks ago
-
Posted a reply to “Queries by component” removed?, on the site WordPress.org Forums:
Thanks for the message. This feature is still there but I did remove it from…4 weeks ago
-
Posted a reply to run my job only in range of hours, on the site WordPress.org Forums:
Nope, this isn't something that WordPress core natively supports. You'd need to schedule an event…4 weeks ago
-
Posted a reply to Disable forget_woocommerce_session(), on the site WordPress.org Forums:
Hmm, can you try changing init in the sample code above to plugins_loaded?4 weeks ago
-
Posted a reply to Clickable error messages for fatal errors, on the site WordPress.org Forums:
With the Throwable interface in PHP7+ it's possible to catch a fatal error and then…1 month ago
-
Posted a reply to 502 error on user switching – Apache Web Server, on the site WordPress.org Forums:
You'll need to ask you web host about the cause of the error.1 month ago
-
Posted a reply to Disable forget_woocommerce_session(), on the site WordPress.org Forums:
I've moved this functionality into actions in User Switching 1.5.2 so it can be unhooked:…1 month ago
-
Committed [2140831] to Plugins Trac:
Tagging 1.5.21 month ago
-
Committed [2140830] to Plugins Trac:
Committing 1.5.2 to trunk1 month ago
-
Committed [45821] to Core Trac:
Docs: Add a missing return type. See #471101 month ago
-
Wrote a comment on the post SSL for auto updates, on the site Make WordPress Core:
What are the stats for the percentage of servers connecting to the update API that…1 month ago
-
Wrote a comment on the post SSL for auto updates, on the site Make WordPress Core:
Please read the post in full. There are considerations for fallback behaviour for servers that…1 month ago
-
Posted a reply to i need to clear the history, on the site WordPress.org Forums:
There's a Clear log now button on the Settings -> Simple History screen.1 month ago
-
Posted a reply to esc_html to args column, on the site WordPress.org Forums:
Yep I'll get this fixed. Thanks for the report!1 month ago
-
Posted a reply to A JavaScript problem on the page is preventing Query Monitor from working…, on the site WordPress.org Forums:
Thanks for the report. This is a problem caused by Gravity Forms on its admin…1 month ago
-
Posted a reply to Help with analyssis of issue of Query Monitor, on the site WordPress.org Forums:
Sorry but I'm unable to help debug individual problems that QM notifies you of, it…1 month ago
-
Created a new ticket, #47858, in Core Trac:
Incorrect redirect after deleting a term from a taxonomy of a custom ...1 month ago
-
Posted a reply to H1 tag conflict with Yoast, on the site WordPress.org Forums:
Strange! There's nothing inherently wrong with multiple <h1>s on a page. Do you have a…1 month ago
-
Posted a reply to High CPU load sometimes, on the site WordPress.org Forums:
Thanks for the message. Unfortunately QM isn't the best tool to use to detect CPU…1 month ago
-
Closed ticket #46648, in Core Trac:
Fix Travis CI builds for the 3.9 branch1 month ago
-
Closed ticket #46649, in Core Trac:
Fix Travis CI builds for the 3.8 branch1 month ago
-
Closed ticket #40106, in Core Trac:
Test the 3.7 branch on Travis1 month ago
-
Closed ticket #42388, in Core Trac:
Remove failing tests from the 3.9 branch1 month ago
-
Posted a reply to PayPal Plus compatibility issue, on the site WordPress.org Forums:
A recursive dependency? Ouch! That's not something that WordPress supports and I'm surprised that it…1 month ago
-
Posted a reply to 502 error, on the site WordPress.org Forums:
This comes up occasionally. See previous threads on the issue for a solution. The problem…1 month ago
-
Posted a reply to Missing dependencies after PHP upgrade, on the site WordPress.org Forums:
Can you let me know what the exact error is please? There's nothing in QM…1 month ago
-
Posted a reply to Hide “problem spawning a call to the WP-Cron system on your site” notice?, on the site WordPress.org Forums:
In that case you should define DISABLE_WP_CRON as true in your wp-config.php file so your…1 month ago
-
Posted a reply to Getting stuck on the first user I switch too., on the site WordPress.org Forums:
Something is very broken on your site in that case. There's no way that switching…2 months ago
-
Posted a reply to Cannot switch back, on the site WordPress.org Forums:
By the way, there's also a Switch Back link on the log in screen if…2 months ago
-
Posted a reply to Cannot switch back, on the site WordPress.org Forums:
It's likely to be an issue with your theme. There's no way that User Switching…2 months ago
-
Posted a reply to Switch Back incompatible with LoginPress, on the site WordPress.org Forums:
Cheers, can you let the LoginPress author know?2 months ago
-
Posted a reply to Getting stuck on the first user I switch too., on the site WordPress.org Forums:
It sounds like you may have an object caching issue. Try deactivating your other plugins…2 months ago
-
Wrote a comment on the post Should Security Fixes Continue to Be Backported to very old versions of WordPress?, on the site Make WordPress Core:
That's pretty much right, yeah. The main issue is that the codebase differs more the…2 months ago
-
Posted a reply to Disable forget_woocommerce_session(), on the site WordPress.org Forums:
Thanks for the message. What's your use case? Preserving carts and sessions doesn't really work…2 months ago
Developer
-
Global Post Password
Active Installs: 800+
-
Log Out Password Protected Posts
Active Installs: 800+
-
Plugin Info
Active Installs: 50+
-
Query Monitor
Active Installs: 80,000+
-
User Switching
Active Installs: 100,000+
-
WP Crontrol
Active Installs: 100,000+
Contributor
-
Airplane Mode
Active Installs: 40+
-
Embed Sched
Active Installs: 70+
-
HM Content TOC
Active Installs: 70+
-
Remove Link to Current Page
Active Installs: 100+
-
Two-Factor
Active Installs: 10,000+
Plugins
-
Co-Authors Plus
-
Google Authenticator
-
HiDPI Gravatars
-
HTTPS Mixed Content Detector
-
Keyring
-
Members
-
Multiple Post Thumbnails
-
Posts 2 Posts
-
Query Monitor
-
Redis Object Cache
-
Regenerate Thumbnails
-
Rewrite Rule Testing
-
Rewrite Rules Inspector
-
RTL Tester
-
Simple Page Ordering
-
Snack Bar
-
Transients Manager
-
User Switching
-
WP Crontrol