[wp-trac] [WordPress Trac] #48303: Docblock improvements for 5.4

[WordPress Trac]

#48303: Docblock improvements for 5.4
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 Reporter:  desrosj         |       Owner:  (none)
     Type:  task (blessed)  |      Status:  new
 Priority:  normal          |   Milestone:  5.4
Component:  General         |     Version:
 Severity:  normal          |  Resolution:
 Keywords:                  |     Focuses:  docs
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Comment (by marekdedic):

 `wp_unslash` parameter and return value could be narrowed from
 `string|array` to `string|string[]`.

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Ticket URL: <https://core.trac.wordpress.org/ticket/48303#comment:3>
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