[wp-trac] [WordPress Trac] #39042: REST API: Allow sanitization_callback to be set to null to bypass `rest_parse_request_arg()`

[WordPress Trac]

#39042: REST API: Allow sanitization_callback to be set to null to bypass
`rest_parse_request_arg()`
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 Reporter:  rachelbaker                   |       Owner:
     Type:  defect (bug)                  |      Status:  new
 Priority:  normal                        |   Milestone:  4.7.1
Component:  REST API                      |     Version:
 Severity:  normal                        |  Resolution:
 Keywords:  needs-patch needs-unit-tests  |     Focuses:
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Changes (by rachelbaker):

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


Comment:

 One way we can check if `sanitization_callback` is `null` would be to add
 a check for `array_key_exists( 'sanitize_callback', $attributes['args'][
 $key ] )`.

 We should also add a unit test as @jnylen0 suggested in the original
 ticket: https://core.trac.wordpress.org/ticket/38593#comment:4

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Ticket URL: <https://core.trac.wordpress.org/ticket/39042#comment:1>
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