[wp-trac] [WordPress Trac] #63268: PHPStan code quality improvements for 6.9

[WordPress Trac]

#63268: PHPStan code quality improvements for 6.9
----------------------------+-------------------------------
 Reporter:  justlevine      |       Owner:  SergeyBiryukov
     Type:  task (blessed)  |      Status:  accepted
 Priority:  normal          |   Milestone:  6.9
Component:  General         |     Version:
 Severity:  normal          |  Resolution:
 Keywords:  has-patch       |     Focuses:  coding-standards
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Comment (by SergeyBiryukov):

 In [changeset:"60292" 60292]:
 {{{
 #!CommitTicketReference repository="" revision="60292"
 Docs: Correct the type for `WP_List_Table::$_column_headers`.

 The value is `null` until `::get_column_info()` is called.

 Follow-up to [31127], [35021].

 Props justlevine.
 See #63268.
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/63268#comment:78>
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