[wp-trac] [WordPress Trac] #34659: Whitelist for validation functions which only accept one argument

[WordPress Trac]

#34659: Whitelist for validation functions which only accept one argument
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 Reporter:  danielbachhuber  |       Owner:  rmccue
     Type:  enhancement      |      Status:  assigned
 Priority:  normal           |   Milestone:  Future Release
Component:  REST API         |     Version:
 Severity:  normal           |  Resolution:
 Keywords:  needs-patch      |     Focuses:
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Changes (by rmccue):

 * keywords:  has-patch has-unit-tests => needs-patch


Comment:

 I want to solve this with `sanitize_callback_args` and
 `validate_callback_args`, which are used as a number in `array_slice`.
 This matches the `$accepted_args` parameter to `add_filter`, and is
 completely backwards compatible, plus doesn't involve some weird special
 whitelist for specific functions.

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Ticket URL: <https://core.trac.wordpress.org/ticket/34659#comment:21>
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