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
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Committed [46232] to Core Trac:
Docs: Docblock corrections and improvements, mostly related to various ...14 hours ago
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Committed [46223] to Core Trac:
Docs: Improve the docs for comment counting related functions. See ...22 hours ago
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Created a new ticket, #48093, in Core Trac:
get_comment_count() should return an integer for all counts of all statuses22 hours ago
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Closed ticket #30506, in Core Trac:
RTL: Hours and minutes fields order reversed in post editing2 days ago
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Posted a reply to Slow Queries on wp_options, on the site WordPress.org Forums:
This is something you'll need to speak with your web host about. A transient update…3 days ago
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Posted a reply to Cron action callback not executing, on the site WordPress.org Forums:
I've seen this a few times but I've never been able to track down the…3 days ago
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Posted a reply to PHP Warning: Use of undefined constant DB_USER, on the site WordPress.org Forums:
This sounds like something's gone wrong with your site configuration. DB_USER is a standard constant…3 days ago
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Committed [46162] to Core Trac:
Docs: Improve docs for upload and `wp_die()` related functions. See ...4 days ago
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Created a new ticket, #48061, in Core Trac:
Do an action when a 404 is triggered4 days ago
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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…6 days ago
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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…2 weeks ago
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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.…2 weeks ago
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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…2 weeks ago
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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?2 weeks ago
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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…2 weeks ago
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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…3 weeks ago
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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…3 weeks ago
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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…3 weeks ago
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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…3 weeks ago
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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-L1563 weeks ago
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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…3 weeks ago
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Created a new ticket, #47952, in Core Trac:
create_and_get() doesn't consider that create() can return a WP_Error3 weeks ago
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Committed [45915] to Core Trac:
Docs: Correct and improve inline docs relating to caching, terms, ...3 weeks ago
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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
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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,…1 month ago
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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…1 month ago
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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…1 month ago
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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…1 month ago
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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?1 month ago
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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
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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
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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
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Committed [2140831] to Plugins Trac:
Tagging 1.5.21 month ago
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Committed [2140830] to Plugins Trac:
Committing 1.5.2 to trunk1 month ago
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Committed [45821] to Core Trac:
Docs: Add a missing return type. See #471101 month ago
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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
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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
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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
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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
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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
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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
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Created a new ticket, #47858, in Core Trac:
Incorrect redirect after deleting a term from a taxonomy of a custom ...1 month ago
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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
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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
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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…2 months ago
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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…2 months ago
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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…2 months ago
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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…2 months ago
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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
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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
Developer
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Global Post Password
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Log Out Password Protected Posts
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Plugin Info
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Query Monitor
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User Switching
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Airplane Mode
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Co-Authors Plus
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Keyring
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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