bernhard-reiter a92aa29daf Block Hooks: Introduce a new hooked_block_{$block_type} filter.
Add a new `hooked_block_{$block_type}` filter that allows modifying a hooked block (in parsed block format) prior to insertion, while providing read access to its anchor block (in the same format).

This allows block authors to e.g. set a hooked block's attributes, or its inner blocks; the filter can peruse information about the anchor block when doing so. As such, this filter provides a solution to both #59572 and #60126.

The new filter is designed to strike a good balance and separation of concerns with regard to the existing [https://developer.wordpress.org/reference/hooks/hooked_block_types/ `hooked_block_types` filter], which allows addition or removal of a block to the list of hooked blocks for a given anchor block -- all of which are identified only by their block ''types''. This new filter, on the other hand, only applies to ''one'' hooked block at a time, and allows modifying the entire (parsed) hooked block; it also gives (read) access to the parsed anchor block.

Props gziolo, tomjcafferkey, andrewserong, isabel_brison, timbroddin, yansern.
Fixes #59572, #60126.

git-svn-id: https://develop.svn.wordpress.org/trunk@57354 602fd350-edb4-49c9-b593-d223f7449a82
2024-01-25 13:46:49 +00:00
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