[wp-trac] [WordPress Trac] #54997: untrailingslashit() throws a deprecation notice for null on PHP 8.1

[WordPress Trac]

#54997: untrailingslashit() throws a deprecation notice for null on PHP 8.1
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 Reporter:  haozi            |       Owner:  (none)
     Type:  defect (bug)     |      Status:  new
 Priority:  normal           |   Milestone:  6.1
Component:  Formatting       |     Version:  6.0
 Severity:  normal           |  Resolution:
 Keywords:  has-patch php81  |     Focuses:
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Comment (by adarshakshatcreedally):

 @SergeyBiryukov Kindly check the patch

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Ticket URL: <https://core.trac.wordpress.org/ticket/54997#comment:15>
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