[wp-trac] [WordPress Trac] #28053: Fields with same name added to new media modal using 'attachment_fields_to_edit' do not pass as an array when saving.

[WordPress Trac]

#28053: Fields with same name added to new media modal using
'attachment_fields_to_edit' do not pass as an array when saving.
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 Reporter:  husobj        |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Media         |     Version:  3.9
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:  javascript, administration
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Comment (by husobj):

 Updated patch checks for fields intended to be arrays be checking their
 name ends in "[]" e.g. "myfield[]"

 These are then concatenated into a comma separated value with field name
 "myfield" (without the square brackets) which is the same format in which
 taxonomy terms are handles when currently associating taxonomies with
 attachments.

 Works for the development I'm doing building a better taxonomy UI for the
 media modal but obviously wouldn't handle field values that contain commas
 (which should not be an issue for terms).

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Ticket URL: <https://core.trac.wordpress.org/ticket/28053#comment:2>
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