[wp-trac] [WordPress Trac] #30238: Treat 'FALSE' as false in wp_validate_boolean()

[WordPress Trac]

#30238: Treat 'FALSE' as false in wp_validate_boolean()
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 Reporter:  TobiasBg     |      Owner:
     Type:  enhancement  |     Status:  new
 Priority:  normal       |  Milestone:  4.1
Component:  General      |    Version:  4.0
 Severity:  normal       |   Keywords:  has-patch
  Focuses:               |
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 In [28542] for #28170, we introduced `wp_validate_boolean()` to allow
 converting the string `'false'` into a boolean `false`.

 Let's also allow uppercase (`'FALSE'`) and mixed-case (`'False'`) versions
 of the string, which could for example be coming from a Shortcode
 parameter, like `[foo bar=FALSE /]`.

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Ticket URL: <https://core.trac.wordpress.org/ticket/30238>
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