[wp-trac] [WordPress Trac] #60618: REST API: Meta update fails if unrelated unchanged field is a multi-item array

[WordPress Trac]

#60618: REST API: Meta update fails if unrelated unchanged field is a multi-item
array
--------------------------+------------------------------
 Reporter:  kadamwhite    |       Owner:  (none)
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  REST API      |     Version:  4.7
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:  rest-api
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Comment (by antonvlasenko):

 == Reproduction Report
 This report validates that the issue can be reproduced.

 === Environment
 - WordPress: 6.6
 - PHP: 7.4.33
 - Server: Apache/2.4.58 (Unix) PHP/7.4.33
 - Database: mysqli (Server: 5.7.42 / Client: mysqlnd 7.4.33)
 - Browser: Safari 17.5 (macOS)
 - Theme: Twenty Twenty-Four 1.0
 - MU-Plugins: None activated

 === Actual Results
 - ✅ When attempting to update a post meta value via the REST API for a
 meta key with multiple existing database entries and the REST meta field
 defined as single, the API returns a 500 HTTP error if the value already
 exists in the database.

 === Additional Notes
 The issue is consistent with the reporter's description.

 === Supplemental Artifacts
 [[Image(https://cldup.com/ERoxepyXr2.png)]]

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Ticket URL: <https://core.trac.wordpress.org/ticket/60618#comment:2>
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