[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:  closed
 Priority:  normal                   |   Milestone:
Component:  REST API                 |     Version:  4.7
 Severity:  normal                   |  Resolution:  worksforme
 Keywords:  has-patch needs-testing  |     Focuses:
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Comment (by simongcc):

 (just reading from REST API Handbook)
 Is it a good idea to use func_get_arg() to get the number of arguments
 passed?
 This functions seems available since PHP 4, so compatibility might not be
 a problem.
 With this, less explicit work to do by specifying the number of arguments.
 While development teams could dynamically adjust inside the core.

 Not sure if there is other concerns that I did not aware of.

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Ticket URL: <https://core.trac.wordpress.org/ticket/34659#comment:29>
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