[wp-trac] [WordPress Trac] #55241: Disabling "settings.color.duotone" within theme.json causes fatal error undefined variable $filter

[WordPress Trac]

#55241: Disabling "settings.color.duotone" within theme.json causes fatal error
undefined variable $filter
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 Reporter:  aliakseyenkaihar       |       Owner:  audrasjb
     Type:  defect (bug)           |      Status:  reopened
 Priority:  normal                 |   Milestone:  5.9.2
Component:  Themes                 |     Version:  5.9.1
 Severity:  normal                 |  Resolution:
 Keywords:  has-patch fixed-major  |     Focuses:
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Comment (by SergeyBiryukov):

 Replying to [comment:12 azouamauriac]:
 > The ''$filters'' was introduced here [52757] I think(please correct me
 if I'm wrong).

 You're right, that appears to be the initial changeset.

 [52791] looks good to me as is, it just makes sure the variable is defined
 before the loop and not inside of it. This should work even if there are
 no items to iterate over.

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Ticket URL: <https://core.trac.wordpress.org/ticket/55241#comment:15>
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