[wp-trac] [WordPress Trac] #50913: PHP 8.0: various compatibility fixes

[WordPress Trac]

#50913: PHP 8.0: various compatibility fixes
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 Reporter:  jrf                            |       Owner:  SergeyBiryukov
     Type:  task (blessed)                 |      Status:  reviewing
 Priority:  normal                         |   Milestone:  5.6
Component:  General                        |     Version:
 Severity:  normal                         |  Resolution:
 Keywords:  php8 has-patch needs-dev-note  |     Focuses:  coding-standards
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Comment (by SergeyBiryukov):

 In [changeset:"49026" 49026]:
 {{{
 #!CommitTicketReference repository="" revision="49026"
 Privacy: Check if the accumulated data in
 `wp_privacy_process_personal_data_export_page()` is not empty.

 This avoids an error on PHP 8 caused by passing an empty string to
 `array_merge()`, instead of an array.

 See #50913.
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/50913#comment:39>
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