Codex pages still available after migration to DevHub

[flexseth]

Issue Description

There are still Codex pages in the wild.

Objective

• Identify pages that still exist
• Figure out what journey the user took to get here
• Audit page for relevant documentation
• Provide 301 redirects
• Document progress and eventually be done with porting Codex

See Suggested Fix for more info

URL of the Page with the Issue

Sample Codex page: Blog by Email

Long list of links below under
Documentation Issues tracker: Codex

Section of Page with the issue

The entire page needs to be redirected to a relevant DevHub page, if appropriate. If the information is deprecated, it's probably a good idea to add a notice.

Why is this a problem?

If a developer picks up a site that has a piece of legacy code on it, and they want to modernize, support, etc, this code... and the Codex is completely removed... the site will not be easy to work on.

Additionally speaking, if they run into the old Codex in the wild, they may be confused if this info is up to date and run to the support forums. Creating more support tickets.

This process can help to modernize old processes and ways of doing things with WordPress, while also keeping the DevHub to the most healthy standard possible.

Suggested Fix

Log all reports to broken/Codex page issues, and make sure the steps in the first part of this article are taken to

• make sure the info is up to date,
• deprecated,
• or redirected on DevHub

Documentation Issues tracker: Codex

Search Criteria

• "migration from Codex"
• or had the word "codex" in them
• listed in reverse chronological order
  as of March 22, 2024

Relevant tickets:

• Migrate bundled theme changelogs from Codex to HelpHub #1442
• WordPress.org_API Errata #1255
• Add Creating Tables with Plugins Page to DevHub #1133
• Migrate "WordPress Versions" page from Codex to HelpHub #1096
• WordPress versions info (Tracking Issue) #1095
• Migrate WordPress.ORG API from Codex to DevHub #723
• Localisation and internationalisation on several places #624
• AJAX info in two places #621
• • 👀 @flexseth
• [HelpHub] Content review: Video shortcode #469
• • 👀 @flexseth
• Content review for Finding WP Help article #427
• External links in article Comment Spam #420
• [Themes] Moving Creating an Archive Index and Creating a Search Pages to Theme Handbook #381
• • 📋 Draft published on DevHub...
• [Themes] Moving Codex Theme Development to Theme Handbook #380
• Add Action and Filter Reference Documents to DevHub #370
• • 👋 @jonathanbossenger
• Migrate The Loop in Action from Codex to DevHub #333
• Migrate Stepping into Templates from Codex to DevHub #331
• • @flexseth
• Migrate Templates Tags from Codex to DevHub #330
• Migrate Templates from Codex to DevHub #329
• Migrate CSS page from Codex to HelpHub #327
• [HelpHub] Embeds #161
• • 👀 @jennimckinnon
• Theme handbook: Links on the reference page point to codex #101
• Various small issues in the Glossary doc #52

almost related: Broken Links

• [Common APIs handbook] Missing links on Action Reference article #1484 (200, w/some duplicates) @flexseth
• Broken links in https://developer.wordpress.org/themes/functionality/custom-front-page-templates/ #1199

Contributing: Understanding User Journeys

If folks are asking about Codex pages, please

• search to make sure the page in question isn't listed
• add the link as a comment to this page
• and ask about their user journey - how did they get to this Codex page? 🤠

@zzap - if you could please add the tag "Tracking Issue" to this ticket, when new URLs are found they can be added here to be fixed.

This is a fairly large undertaking, but having worked on the

• [Common APIs handbook] Missing links on Action Reference article #1484
  redirects, I have a pretty good idea (I think) of how to wrangle the info.

Any and all feedback is welcome!

[github-actions]

Heads up @WordPress/docs-issues-coordinators, we have a new issue open. Time to use 'em labels.

[ASardemann]

[Redirect Codex htaccess for subdirectories page]
#1515

[flexseth]

How To: Migrate from Codex

• https://make.wordpress.org/docs/handbook/helphub/migrating-articles/

[flexseth]

Codex/Info unavailable after migration to DevHub

• Natively import/export - old Codex page has been de-indexed and the content isn't on the new DevHub page. It actually links to a plugin with a paid version. Can't find the link to the WXR standard for future plugin authors