[wp-trac] [WordPress Trac] #53474: Improve Walker compatibility with PHP8

[WordPress Trac]

#53474: Improve Walker compatibility with PHP8
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 Reporter:  sunxiyuan       |       Owner:  SergeyBiryukov
     Type:  defect (bug)    |      Status:  closed
 Priority:  normal          |   Milestone:  5.8
Component:  General         |     Version:  trunk
 Severity:  major           |  Resolution:  fixed
 Keywords:  has-patch php8  |     Focuses:
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Comment (by sunxiyuan):

 empty() is indeed a better choice

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Ticket URL: <https://core.trac.wordpress.org/ticket/53474#comment:6>
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