[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:
     Type:  defect (bug)     |      Status:  new
 Priority:  normal           |   Milestone:  4.4
Component:  REST API         |     Version:
 Severity:  normal           |  Resolution:
 Keywords:  has-patch        |     Focuses:
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Comment (by TimothyBlynJacobs):

 The idea of whitelisting functions seems quite a bit kludgy. Most of my
 sanitization functions, for example, also only accept one parameter. And
 whitelisting all of those doesn't seem ideal. Plus, what about functions
 that only need access to the first two?

 Why not specify the number of arguments to be passed to the sanitization
 function the same way we do for hooks?

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Ticket URL: <https://core.trac.wordpress.org/ticket/34659#comment:1>
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