Add $path parameter to Hash::filter()

[andrii-pukhalevych]

This is a (multiple allowed):

• bug

• enhancement

• feature-discussion (RFC)

• CakePHP Version: 3.9, 4

Add 3r parameter $path parameter to Hash::filter() to allow filter by deep values (or maybe create new function).
Currently it filters only by top level values:
public static function filter(array $data, $callback = ['self', '_filter'])

[markstory]

Currently it filters only by top level values:

Are you sure about that? There are tests covering that Hash::filter() recurses into all array values as well. How would the proposed path parameter work? Would only those paths be filtered?

[andrii-pukhalevych]

I just want to filter root array by some filed, specified in path without using array_filter + callback:
Hash::filter($data, '{*}.is_enabled')

[markstory]

That sounds like another method. Perhaps something like Hash::filterBy()?

[T0mats0]

How would a filterBy function be different than extract?

[github-actions]

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