[wp-trac] [WordPress Trac] #43559: wp_ajax_add_meta() does not allow empty values

[WordPress Trac]

#43559: wp_ajax_add_meta() does not allow empty values
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 Reporter:  charlestonsw              |       Owner:
     Type:  enhancement               |      Status:  new
 Priority:  normal                    |   Milestone:  Awaiting Review
Component:  Options, Meta APIs        |     Version:  trunk
 Severity:  normal                    |  Resolution:
 Keywords:  has-unit-tests has-patch  |     Focuses:  rest-api
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Comment (by soulseekah):

 Reading the REST API code, I'm pretty sure there are no limitations on the
 meta value being empty.   The REST API code uses the Meta API to store the
 values, which gladly accepts empty values. The schema validation does not
 appear to have any sort of limitations on the value.

 If you have the time, please investigate the related REST API issue in a
 separate issue (and link it here, if possible). This issue is for
 `add_meta` and `wp_ajax_add_meta` (i.e. stuff being done in the admin).

 Other than that, please feel free to try out our patches. Cheers.

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Ticket URL: <https://core.trac.wordpress.org/ticket/43559#comment:6>
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